颜色 | 白色 |
---|---|
商品规格 (单位) | 1 Count |
品牌 | Panasonic 松下电器 |
商品名称 | Panasonic 松下电器 便携式无线充电式牙线,可充电,适合旅行用和家用,IPX7防水,EW1511W,白色 |
规格型号 | EW1511W |
商品净重 | 0.6 磅 |
Panasonic 松下电器 便携式无线充电式牙线,可充电,适合旅行用和家用,IPX7防水,EW1511W,白色
Panasonic Professional Cordless Water Flosser with Ultrasonic Cleaning Portable Oral Irrigator, White, 1 Count, Pack of 3
页面含机器翻译,中文仅供参考,以原文为准
Panasonic Professional Cordless Water Flosser with Ultrasonic Cleaning Portable Oral Irrigator, White, 1 Count, Pack of 3
|
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¥559.09¥559.09

12期7.5%费率,每月仅 ¥50.14 最高12期,多种分期方式可选 了解更多
灵活选择分期付款:结算时,选择花呗分期和您需要的分期数。此处仅为按商品金额(未包括税费)估算的示例,实际金额以结算金额为准。
![]() | 3至12期分期付款 由花呗分期提供 |
分期计划 | 手续费 | 总金额 |
---|---|---|
¥190.65×3期 | ¥12.86 (2.3%) | ¥571.95 |
¥97.40×6期 | ¥25.16 (4.5%) | ¥584.25 |
¥50.14×12期 | ¥41.93 (7.5%) | ¥601.02 |
促销信息
买满2件售价9.5折优惠
共1个促销
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提升您的购买力
- 强大的便携式水器 - 每分钟产生高达1,600超声波水脉冲,舒适地去除食物碎片并清洗有害的牙菌斑和*
- 先进的超声波水射流技术 - 产生数以千计的加速微泡,在接触时爆发,分解和冲洗牙菌斑和食物,以提供卓越的口腔护理性能
- 专为五种口腔护理而设计 - 牙间、牙周口袋和牙齿表面清洁,以及牙龈和牙齿护理;五种水压设置为个人体牙齿和牙龈敏感度提供*佳的压力级别。
- 60分钟内充电 - 长达10分钟。 7.6 盎司(约 192.8 克)水箱每次灌水可使用 60 秒的水牙线;易于抓握,IPX7 级防水冲水器可在温流水中清洗干净。
- 两个带状旋转喷嘴 - 包括;一个时尚的充电支架可以整齐地放在浴室梳妆台、架子或抽屉里
- POWERFUL, PORTABLE WATER IRRIGATOR - Creates up to 1, 600 ultrasonic water pulses per minute to comfortably remove food debris and wash away harmful plaque and bacteria
- ADVANCED ULTRASONIC WATERJET TECHNOLOGY- Generates thousands of accelerated micro-bubbles that burst on contact to break up and rinse plaque and food for exceptional oral care performance
- DESIGNED FOR FIVE ESSENTIAL TYPES OF ORAL CARE - Interdental, periodontal pocket and teeth surface cleaning, plus gums and orthodontic appliance care; Five water pressure settings provide optimum pressure levels for individual tooth and gum sensitivities
- CHARGES IN 60 MINUTES - For up to ten minutes of power. The 6.8 oz. water reservoir provides 60 seconds of water flossing usage per fill; The easy-grip, IPX7 rated waterproof irrigator washes clean under warm running water
- TWO TAPERED, ROTATING NOZZLES - Included; a stylish charging stand fits neatly on bathroom vanities, on shelves or in drawers
亚马逊海外购
商品描述
使用无绳易于使用的松下 EW1511W 超声波水冲洗器,保持干净、健康的牙齿、牙龈和牙周口袋。 便携式松下 EW1511W 小型牙线采用超声波技术进行彻底专业的口腔护理,每分钟持续功率可达 1,600 次超声波水脉冲。 水通过狭窄的水喷嘴流动,产生数千个微气泡,在接触牙齿、牙龈和牙周口袋时爆裂。 由此产生的冲击力可去除牙齿和牙齿之间的食物碎片,并冲洗掉有害牙菌斑和***。 只需 60 秒,可旋转喷水喷嘴即可达到、去除和清洁牙线和牙刷无法触及的地方。 EW1511W 专为口腔护理五种基本类型:牙间、牙周口袋和牙齿表面清洁,以及牙龈和牙齿口腔器具护理,包括五种不同的水压设置,适合个别牙齿和牙龈敏感度。 智能触摸按钮控制水压调节,电池电量不足时,蓝色 LED 会闪烁。 充电时,红色 LED 灯亮起。 EW1511W ***水牙线具有一个可靠的抓握力,符合人体工程学的轮廓设计,自然贴合手部,方便使用和完全控制,即使水箱满时。 这款无绳便携式牙齿清洁器可在家中使用,小巧的设计使其在出差或度假期间保持口腔健康。 EW1511W 仅需 60 分钟即可充满电,可使用长达 10 分钟,而 7.6 盎司(约 192.8 克)水箱每次填充可使用 60 秒的水牙线。 使用后,IPX7 级防水灌溉器可在温流水中清洗。 这款灌溉器的时尚充电器支架可整齐地安装在大多数浴室梳妆台水槽、架子或抽屉中。
产品信息
技术细节
更多信息
ASIN | B07R7RJMKP |
---|---|
用户评分 |
5.0 颗星,最多 5 颗星 |
亚马逊热销商品排名 | 商品里排第6,219名个护健康 (查看个护健康商品销售排行榜) 商品里排第73名洁牙器 |
Amazon.cn上架时间 | 2019年9月5日 |
制造商 | Panasonic |
我来补充
基本信息
- 商品尺寸 : 8.38 x 7.62 x 21.08 cm; 272.16 克
- 制造商 : Panasonic
- ASIN : B07R7RJMKP
- 型号 / 款式 : EW1511W
- 用户评分:
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• 其他:因出售地和使用地人群(特别是儿童、老人和残疾人等)、使用环境、消费场景与习惯不同,可能导致商品不能或不能完全适用于使用目的。
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5. 需要更多帮助,请查看亚马逊海外购帮助中心。
亚马逊海外购商品由亚马逊海外网站出售,适用使用境外网站所在的原销售地的法律、法规、标准、规范和惯例等,因此可能在以下方面区别于在中国境内出售的商品:
• 尺码:鞋服尺码表,单位转换表。备注: 如果销售品牌提供了具体的尺码表,请以品牌尺码表为准。
• 电压和电源插座:电子产品可能不支持中国的电压环境、电源插座等规格标准,需配合变压或转换设备等使用。电源使用提示。
• 美妆商品保质期:美妆商品的生产日期/保质期标注可能和国内渠道购买的产品有所区别,详见美妆商品购买提示。
• 售后服务:亚马逊海外购的商品由境外网站所在的原销售地的品牌商提供售后保修,该等保修和其他售后可能不覆盖中国,详情请联系品牌商的售后咨询。
• 标签、手册和说明书:标签、手册和说明书等未译成中文;所载成分、声称、产品描述、参考值和推荐值可能与中国标准或惯例有别。
• 其他:因出售地和使用地人群(特别是儿童、老人和残疾人等)、使用环境、消费场景与习惯不同,可能导致商品不能或不能完全适用于使用目的。
2. 清关服务:
• 根据中国海关的要求,在您购买亚马逊海外购商品时,需要提交订购人的身份证信息(目前仅支持中国居民身份证信息验证)用于清关点击这里查看详情。
• 亚马逊不会以任何理由索要您的银行卡号、验证码等信息。如遇不法分子冒充亚马逊海外购客服向您索取银行账号等信息,请及时通过联系亚马逊海外购客服或报警,敬请提高警惕。
3. 物流配送:
• 关于配送时间的预估仅供参考,实际配送受清关或天气等不可抗力因素的影响,您可在“我的订单”中跟踪包裹查看配送状态,如有疑问请联系客服咨询。
• 亚马逊海外购商品符合海关进出口政策要求,且支持中国除港澳台地区之外的全境配送,但部分偏远地区的配送时间会相应延长,少数商品不支持配送。如果您已成功下单而我们无法为您配送,我们会及时通知您。
• 亚马逊海外购商品目前不支持晚间送货、预约送货、自提等服务。
4. 其他:亚马逊海外购出售的境外商品仅限个人自用,购买行为必须遵循自用、合理数量原则,不得转为其他商业用途,不得再次销售。
5. 需要更多帮助,请查看亚马逊海外购帮助中心。
买家评论
5.0 颗星,最多 5 颗星
5星,共 5 星
1
买家评价
评分是如何计算的?
在计算总星级评分以及按星级确定的百分比时,我们不使用简单的平均值。相反,我们的系统会考虑评论的最新程度以及评论者是否在亚马逊上购买了该商品。系统还会分析评论,验证评论的可信度。
此商品在美国亚马逊上最有用的商品评论
美国亚马逊:
3.6 颗星,最多 5 颗星
3,551 条评论

Trekker Dave
5.0 颗星,最多 5 颗星
this is a superior product. I recommend it to anyone and everyone
2017年2月2日 -
已在美国亚马逊上发表已确认购买
By any measure, this is a superior product. I recommend it to anyone and everyone.
First of all, I have found that ANY decent model of oral irrigator / aqua flosser successfully removes more bits of food / debris from between my teeth than simply brushing and flossing alone. Try this yourself by brushing and flossing, and THEN using your oral irrigator/aqua flosser, particularly after a meal which leaves a lot of debris stuck to your teeth and along your gum line, and when you spit into the sink, you will see what I mean. I have only my personal experience to back up this hypothesis, but I strongly believe that persons who use an oral irrigator / aqua flosser regularly after eating will have healthier teeth and gums in the long run than persons who do not use one. I plan on living as long as the rest of my body will allow, so dental care has become a very high priority in my life. Take care of your teeth (and body) now and they will take care of you!
The best thing about using an oral irrigator, perhaps, is that it takes very little additional time out of your day – 30 seconds per session is sufficient in my experience.
I use my oral irrigator after each time I eat (after every meal and snack), allowing me to clean between my teeth, eliminate the buildup of would-be cavity-causing foodstuffs wedged between my teeth and along the gum line, and also avoid excessive brushing (I still brush 2-3x per day).
Combine this oral irrigator with a Sonicare or similar high quality electric toothbrush and Oral B Glide dental tape (wider and more shred-resistant than standard/cheap dental floss – it will remove more debris and is less likely to make your gums bleed), and, depending on your diet, your dentist / hygienist will tell you that you are doing a PERFECT job of taking care of your teeth. I just went in for a dental cleaning – it had been a full calendar year since my last one – and my hygienist reported, highly impressed, that I had very little plaque or tartar and was doing an excellent job at caring for my teeth and gums.
NOW THEN, WHY IS THIS PANASONIC MODEL SUPERIOR TO ITS COMPETITORS?
I see THREE REASONS, right off the bat:
FIRST: it is powered by REMOVABLE AA cell batteries. This means that the life of this oral irrigator is not limited to the lifespan of an internal rechargeable battery. Most models of oral irrigators I have seen rely on internal batteries, which are often Ni-MH or Ni-Cad, which will degrade over time. (In fact, before I bought this Panasonic model, I purchased a Waterpik brand oral irrigator from Target, about 2 years ago. I have been very pleased with this model, but by now the battery life is beginning to diminish noticeably. It still does a great job of cleaning between my teeth and along the gum line, but it is on the decline, and it also takes up twice as much space in my little medicine cabinet as compared with the Panasonic model.)
That being said, I recommend using RECHARGEABLE AA cell batteries, for the savings in $$, time, electricity/energy, and waste, as compared with disposable alkaline AA cells.
AND, if you are traveling internationally and don’t have access to electrical power, you can swap out batteries or find disposable alkaline AA cells in many countries.
P.S. the tool-free battery compartment with O-ring stays tightly shut & waterproof, but is easy to open with a coin or washer or similar item.
SECOND: this unit collapses to take up minimal space when not in use. I find this just as useful when traveling as when I am at home, because it is extremely space-efficient.
THIRD: Because of the way the water intake straw is designed (it is spring-loaded and reaches to the very bottom of the water compartment), this model of oral irrigator provides a steady stream of water until the tank is essentially completely empty. Some other models of oral irrigator, such as my original Waterpik one, do not do so well in this regard.
My only critique thus far is that there is no carrying case included, but for this price point (I paid $27 on Amazon for my Panasonic model in May 2016 and then as a Christmas present for a family member, I bought a second one and paid $30 on Newegg in December 2016 – both quite a bit cheaper than the Waterpik model I purchased a couple of years prior), this is a fantastic model of oral irrigator / aqua flosser, and, hey, Ziploc bags are ubiquitous, cheap, and come in a wide range of sizes. I recommend carrying it in a Ziploc bag if you are traveling between uses, to keep remaining drips of water from spilling into your suitcase / backpack.
And I do like the 2 water pressure settings (low and high pressure), which my original Waterpik model also has.
BATTERY LIFE: I am highly impressed: the first one month of use, “aqua flossing” after each meal and snack, I was able to get an ENTIRE MONTH out of my Panasonic oral irrigator before recharging the batteries. This is WAY BEYOND the capacity of my Waterpik model, which (as stated in the user’s manual) should be charged twice weekly if using it 2 or more times per day.
So there you have it, folks! I rarely write product reviews but have been so mightily impressed by the design and features and capabilities of this Panasonic oral irrigator that I couldn’t help but share my experience with the world. Hopefully it at least inspires you to buy / ask for and begin using an aquaflosser regularly. You won’t regret it, and your teeth and gums will feel noticeably cleaner after each post-meal use.
Best Regards,
David S., Montana, U.S.A.
First of all, I have found that ANY decent model of oral irrigator / aqua flosser successfully removes more bits of food / debris from between my teeth than simply brushing and flossing alone. Try this yourself by brushing and flossing, and THEN using your oral irrigator/aqua flosser, particularly after a meal which leaves a lot of debris stuck to your teeth and along your gum line, and when you spit into the sink, you will see what I mean. I have only my personal experience to back up this hypothesis, but I strongly believe that persons who use an oral irrigator / aqua flosser regularly after eating will have healthier teeth and gums in the long run than persons who do not use one. I plan on living as long as the rest of my body will allow, so dental care has become a very high priority in my life. Take care of your teeth (and body) now and they will take care of you!
The best thing about using an oral irrigator, perhaps, is that it takes very little additional time out of your day – 30 seconds per session is sufficient in my experience.
I use my oral irrigator after each time I eat (after every meal and snack), allowing me to clean between my teeth, eliminate the buildup of would-be cavity-causing foodstuffs wedged between my teeth and along the gum line, and also avoid excessive brushing (I still brush 2-3x per day).
Combine this oral irrigator with a Sonicare or similar high quality electric toothbrush and Oral B Glide dental tape (wider and more shred-resistant than standard/cheap dental floss – it will remove more debris and is less likely to make your gums bleed), and, depending on your diet, your dentist / hygienist will tell you that you are doing a PERFECT job of taking care of your teeth. I just went in for a dental cleaning – it had been a full calendar year since my last one – and my hygienist reported, highly impressed, that I had very little plaque or tartar and was doing an excellent job at caring for my teeth and gums.
NOW THEN, WHY IS THIS PANASONIC MODEL SUPERIOR TO ITS COMPETITORS?
I see THREE REASONS, right off the bat:
FIRST: it is powered by REMOVABLE AA cell batteries. This means that the life of this oral irrigator is not limited to the lifespan of an internal rechargeable battery. Most models of oral irrigators I have seen rely on internal batteries, which are often Ni-MH or Ni-Cad, which will degrade over time. (In fact, before I bought this Panasonic model, I purchased a Waterpik brand oral irrigator from Target, about 2 years ago. I have been very pleased with this model, but by now the battery life is beginning to diminish noticeably. It still does a great job of cleaning between my teeth and along the gum line, but it is on the decline, and it also takes up twice as much space in my little medicine cabinet as compared with the Panasonic model.)
That being said, I recommend using RECHARGEABLE AA cell batteries, for the savings in $$, time, electricity/energy, and waste, as compared with disposable alkaline AA cells.
AND, if you are traveling internationally and don’t have access to electrical power, you can swap out batteries or find disposable alkaline AA cells in many countries.
P.S. the tool-free battery compartment with O-ring stays tightly shut & waterproof, but is easy to open with a coin or washer or similar item.
SECOND: this unit collapses to take up minimal space when not in use. I find this just as useful when traveling as when I am at home, because it is extremely space-efficient.
THIRD: Because of the way the water intake straw is designed (it is spring-loaded and reaches to the very bottom of the water compartment), this model of oral irrigator provides a steady stream of water until the tank is essentially completely empty. Some other models of oral irrigator, such as my original Waterpik one, do not do so well in this regard.
My only critique thus far is that there is no carrying case included, but for this price point (I paid $27 on Amazon for my Panasonic model in May 2016 and then as a Christmas present for a family member, I bought a second one and paid $30 on Newegg in December 2016 – both quite a bit cheaper than the Waterpik model I purchased a couple of years prior), this is a fantastic model of oral irrigator / aqua flosser, and, hey, Ziploc bags are ubiquitous, cheap, and come in a wide range of sizes. I recommend carrying it in a Ziploc bag if you are traveling between uses, to keep remaining drips of water from spilling into your suitcase / backpack.
And I do like the 2 water pressure settings (low and high pressure), which my original Waterpik model also has.
BATTERY LIFE: I am highly impressed: the first one month of use, “aqua flossing” after each meal and snack, I was able to get an ENTIRE MONTH out of my Panasonic oral irrigator before recharging the batteries. This is WAY BEYOND the capacity of my Waterpik model, which (as stated in the user’s manual) should be charged twice weekly if using it 2 or more times per day.
So there you have it, folks! I rarely write product reviews but have been so mightily impressed by the design and features and capabilities of this Panasonic oral irrigator that I couldn’t help but share my experience with the world. Hopefully it at least inspires you to buy / ask for and begin using an aquaflosser regularly. You won’t regret it, and your teeth and gums will feel noticeably cleaner after each post-meal use.
Best Regards,
David S., Montana, U.S.A.
459 个人发现此评论有用

Chooseup
4.0 颗星,最多 5 颗星
Lightweight and easy to clean
2022年10月27日 -
已在美国亚马逊上发表样式: EW1511W已确认购买
Before this purchase, I used a larger, counter-based unit and hated having to clean and dry the machine after each use. The portable Panasonic unit is simple to use and fast clean-up. Haven’t traveled with it yet but will soon (I wouldn’t take the larger unit on any trip). The design of the small door for the reservoir is the only issue preventing a five star review. The two hinges are weak and there are only two half round nubs that keep the door from coming off (which it does come off if you open the door too fast or slightly twist when removing). I assume this “nubs” will wear down and eventually won’t hold the door in place.
4 个人发现此评论有用

K. Martin
5.0 颗星,最多 5 颗星
Supercharged with NiZn batteries
2011年2月26日 -
已在美国亚马逊上发表已确认购买
I use the Waterpik Ultra Water Flosser at home to clean my teeth, but for cleaning my teeth at work after lunch, or for those times when I'm travelling, this Panasonic Oral Irrigator can't be beat. The reservoir chamber is small, yes, but it can be easily refilled. I fill it twice for each use -- once for my lower teeth, and once for my upper. I also add a liquid "soap" to the reservoir -- a mixture of mouthwash and toothpaste (the toothpaste is liquified in the mouthwash). So far the irrigator has had no problem pumping this "soap".
I purchased mine about 8 months ago and started by using two, AA alkaline batteries. The irrigator was good at removing food, but not perfect -- I had to use the Waterpik at home to get rid of the deeper stuff (including the plaque stuck just under my gumline).
Despite the warning against using rechargable batteries, I went ahead and starting using NiMH rechargeable AA batteries, but I noticed the unit wasn't pumping as hard as with the alkaline, and so I had even more difficulty getting the daytime plaque removed.
I decided I needed more voltage. I purchased a lithium-ion 14500 battery (very close in size to a AA, but the nubby tab is reduced in height). That comes out of the charger at 4.0 volts. Couldn't use two of those, so I made a dummy battery out of a #10 bolt, #10 washers, and fasteners (to keep the washers attached) and ground the dummy battery down to size. That made the irrigator too powerful, and I felt like my gums were being laser-cut away. Also, the lithium-ion battery started to fade after about 20 seconds (the power of the irrigator went down). To get the lithium-ion voltage down, I made another dummy battery but with two bolts connected to a central plastic tube and two diodes in parallel (taken from an old AC adapter) to reduce the voltage -- it connected the two bolts together. They reduced the voltage by 0.3 volts, and after trying again, the irrigator no longer felt like it was cutting my gums away, but the diodes would heat up, and the 14500 li-ion battery would fade as before, plus that battery would only get through two days of lunch cleaning before it needed recharging (I could use the NiMH batteries for two weeks without problem).
My recent attempt now is using PowerGenix NiZn rechargeable AA batteries. They are advertized at 1.6 volts, but I measured them out of the charger at 1.8 volts. Now the irrigator is at the same pumping power as the li-ion battery was with the diodes, but the NiZn batteries don't fade, and no more hand-making dummy batteries. Time will tell how long the NiZn batteries will last, but so far they are the best match with this oral irrigator.
Oh, I should mention the irrigator is also great for returning to work after a dental visit. On low setting, I use it to flush out all the old amalgam bits the dentist left in my mouth.
UPDATE 3/12/2011
The NiZN batteries, while performing well in the Panasonic irrigator, have resulted in a little too much pressure in the long term. The increased water pressure has forced an opening under my gumline between two front teeth causing bleeding. I'm now using one NiZN battery with a Duracell low-self discharge NiMH battery. This has reduced the pressure enough to stop cutting open the gumline in the one spot while giving enough pressure to effectively clean my teeth and gums. I think ultimately this irrigator would do better with a strength setting from 1-10 much like the Waterpik's plug-in model, then I wouldn't have to experiment so much with different battery combinations. Despite all of my high-voltage experiments with this irrigator, it has held up and continues to run fine.
Update 5/31/2011
I continue to use one PowerGenix NiZn battery with one Duracell NiMH battery for the best balance of power without tearing up my gums. In this setup, I can use this irrigator for a week in my lunchtime cleaning before having to switch out batteries. I keep another pair of NiZn/NiMH batteries ready to go, so I'm never without good power. At the end of the week, I take the used NiZn/NiMH battery pair home and recharge them (each in their own chargers, I have to use the special charger that came with the NiZN for the NiZN battery).
I also switched from a toothpaste/mouthwash cleaning solution to a Dove soap/mouthwash cleaning solution. The toothpaste has micro-fine silica, and I was afraid that in a pressure washer like this irrigator it would blast away enamel and dental work. It may have contributed to that pocket in my gumline when I was using two NiZn batteries in the irrigator.
I take a cheese grater with a turn handle and insert the bar of Dove soap into the grater, then turn the handle many times to produce soap bits that land in a large, microwaveable measuring cup. Then I fill the measuring cup with mouthwash and microwave the mixture to heat it up. I take one of those bamboo sticks that are found in the kitchen accessory sections of department stores and stir the mixture until all soap bits are dissolved. I then pour that mixture back into the empty mouthwash container. For dispensing, I have a used, plastic, shrimp cocktail container that I fill and use to squirt the soap in the Waterpik irrigator for home. For work, I use an empty, see-through, one-dollar shampoo container as found at stores like Target or Walgreens (meant for travel kits) and squirt a little soap solution from that into the Panasonic irrigator.
Despite using these various soaps and different power levels, the Panasonic irrigator continues to run fine.
I purchased mine about 8 months ago and started by using two, AA alkaline batteries. The irrigator was good at removing food, but not perfect -- I had to use the Waterpik at home to get rid of the deeper stuff (including the plaque stuck just under my gumline).
Despite the warning against using rechargable batteries, I went ahead and starting using NiMH rechargeable AA batteries, but I noticed the unit wasn't pumping as hard as with the alkaline, and so I had even more difficulty getting the daytime plaque removed.
I decided I needed more voltage. I purchased a lithium-ion 14500 battery (very close in size to a AA, but the nubby tab is reduced in height). That comes out of the charger at 4.0 volts. Couldn't use two of those, so I made a dummy battery out of a #10 bolt, #10 washers, and fasteners (to keep the washers attached) and ground the dummy battery down to size. That made the irrigator too powerful, and I felt like my gums were being laser-cut away. Also, the lithium-ion battery started to fade after about 20 seconds (the power of the irrigator went down). To get the lithium-ion voltage down, I made another dummy battery but with two bolts connected to a central plastic tube and two diodes in parallel (taken from an old AC adapter) to reduce the voltage -- it connected the two bolts together. They reduced the voltage by 0.3 volts, and after trying again, the irrigator no longer felt like it was cutting my gums away, but the diodes would heat up, and the 14500 li-ion battery would fade as before, plus that battery would only get through two days of lunch cleaning before it needed recharging (I could use the NiMH batteries for two weeks without problem).
My recent attempt now is using PowerGenix NiZn rechargeable AA batteries. They are advertized at 1.6 volts, but I measured them out of the charger at 1.8 volts. Now the irrigator is at the same pumping power as the li-ion battery was with the diodes, but the NiZn batteries don't fade, and no more hand-making dummy batteries. Time will tell how long the NiZn batteries will last, but so far they are the best match with this oral irrigator.
Oh, I should mention the irrigator is also great for returning to work after a dental visit. On low setting, I use it to flush out all the old amalgam bits the dentist left in my mouth.
UPDATE 3/12/2011
The NiZN batteries, while performing well in the Panasonic irrigator, have resulted in a little too much pressure in the long term. The increased water pressure has forced an opening under my gumline between two front teeth causing bleeding. I'm now using one NiZN battery with a Duracell low-self discharge NiMH battery. This has reduced the pressure enough to stop cutting open the gumline in the one spot while giving enough pressure to effectively clean my teeth and gums. I think ultimately this irrigator would do better with a strength setting from 1-10 much like the Waterpik's plug-in model, then I wouldn't have to experiment so much with different battery combinations. Despite all of my high-voltage experiments with this irrigator, it has held up and continues to run fine.
Update 5/31/2011
I continue to use one PowerGenix NiZn battery with one Duracell NiMH battery for the best balance of power without tearing up my gums. In this setup, I can use this irrigator for a week in my lunchtime cleaning before having to switch out batteries. I keep another pair of NiZn/NiMH batteries ready to go, so I'm never without good power. At the end of the week, I take the used NiZn/NiMH battery pair home and recharge them (each in their own chargers, I have to use the special charger that came with the NiZN for the NiZN battery).
I also switched from a toothpaste/mouthwash cleaning solution to a Dove soap/mouthwash cleaning solution. The toothpaste has micro-fine silica, and I was afraid that in a pressure washer like this irrigator it would blast away enamel and dental work. It may have contributed to that pocket in my gumline when I was using two NiZn batteries in the irrigator.
I take a cheese grater with a turn handle and insert the bar of Dove soap into the grater, then turn the handle many times to produce soap bits that land in a large, microwaveable measuring cup. Then I fill the measuring cup with mouthwash and microwave the mixture to heat it up. I take one of those bamboo sticks that are found in the kitchen accessory sections of department stores and stir the mixture until all soap bits are dissolved. I then pour that mixture back into the empty mouthwash container. For dispensing, I have a used, plastic, shrimp cocktail container that I fill and use to squirt the soap in the Waterpik irrigator for home. For work, I use an empty, see-through, one-dollar shampoo container as found at stores like Target or Walgreens (meant for travel kits) and squirt a little soap solution from that into the Panasonic irrigator.
Despite using these various soaps and different power levels, the Panasonic irrigator continues to run fine.
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