Question about Panasonic Sonic-3 ES 7003 Electric Shaver

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Es 7003 battery

Where can I find replacement batteries for a Panasonic ES7003 razor?

Posted by Anonymous on


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Posted on Jan 02, 2017

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SOURCE: battery only keeps a charge for about 10 seconds

Sounds like the switch is dirty and turning off ... take a look at this video and see if you need to clean it. Mine would not charge or run until I cleaned the switch contacts.

Posted on Apr 28, 2009

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SOURCE: Battery in Panasonic ES8183 wet and dry shaver


A 12 months old wet and dry shaver must have a defective battery after such long period of use.

The battery cell is weak and unable to hold charge.

You sure need a battery replacement. It's not necessary you get a Panasonic battery replacement as long as its the same size, shape and watt. You can get another battery from any electronics accessories store within your vicinity.

All you need do is disassemble the shaver, remove the old battery, use it as a sample for the replacement so that you can get the same battery size, shape etc..

To disassemble the shaver, first, take the shaver outside and use a can of air to clean the shaver. Repeat this at various stages of the dis-assembly, being careful not to lose any parts!

Remove the two screws at the bottom (the end that plugs in to the charger) of the shaver, and remove the bottom cover. Keep track of the two small washers, and a small flat plastic piece, about 10mm square that fits inside of the cover - these keep the unit waterproof.
Open the shaver head, and remove the blade assembly from the white plastic vibrating arm by pulling on it - it will pop off. Undo the two screws on either side of the arm, keeping track of the two small washers under the plate - these will tend to stay in place and stick to the metal plate or the plastic underneath the plate.
Press on the mechanism from the end you first opened, and notice a gap opening up where at the other end, just below the head latch button and hinge. Gently pry open this crack, and work the case apart. Keep the large O-ring that seals the case, and make a note of its orientation so that you can assemble it the same way.
This has been too easy, I know, so there is one headache. I have not figured out how to remove the sliding trimmer assembly. Because of this, I found it was necessary to pry the large black U-shaped plastic clamp from the vibrating arm at the same time you pull the innards out of the case
By now you should have access to the battery, and proceed for the battery replacement.

I hope you understand the above.

Good luck.

Posted on Mar 01, 2011

  • 7191 Answers



You can download and print the instruction manual in PDF format by clicking this link.;jsessionid=0a6d28f030d88ecbcf0c79f34cb0bafff212870b73a2.e34MaN0RbxyTbO0QaN4Rc3iLc41ynknvrkLOlQzNp65In0?trackInfo=true
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Posted on Mar 12, 2011

SOURCE: Need a panasonic razor cord

Panasonic razor cord for model ES-LA93 is Panasonic WESGA21K7662 charger power cord replacement.

Posted on Sep 20, 2012

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When my ES8023 razor quit working, I decided to buy and try a Braun Series 3 razor that ultimately I was dissatisfied with. I favor the Panasonic's narrower head. Deciding to replace the Panasonic's batteries, they were very easily removed. Noting they seemed barely larger than AA batteries, I decided to try replacing the OEM Ni-Cd batteries with some NiMH batteries I had. My only real concern was whether the NiMH batteries would charge adequately from the ES8023 charger....they did, which was great news since Ni-Cd batteries are inferior to NiMH.

Adapting the shorter AA NiMH batteries to the shaver was as simple as laying a small hex nut (#10-32 size I think) upon the negative (upper) terminal in the shaver and then inserting the battery. This makes for a tight fit and provides contact for teh negative end of the battery. The positive nub of the battery makes contact to the shaver's positive terminal with no issues.

The original battery has a long pin extending from the positive tip that I think may be to provide a pin that extends through the shaver body for a charging cord to connect to. However, for the induction charger of the ES8023, I didn't think the pin would be needed, and it wasn't. With two NiMH batteries inserted as described and the shaver reassembled, I successfully charged the shaver overnight in the original charger. I believe NiMH batteries typically charge at a higher current draw than NiCd batteries do, so I do expect a longer charging cycle to be required, but I don't anticipate any issues.

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Battery only keeps a charge for about 10 seconds

Sounds like the switch is dirty and turning off ... take a look at this video and see if you need to clean it. Mine would not charge or run until I cleaned the switch contacts.

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