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Battery will not hold charge on my wahl lithium ion trimmer. Model 9854L. Do I need to replace battery? If so, how do I do that? Have trimmer for about 3 years

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  • Wahl Master
  • 1,225 Answers

The battery may only be supplied with the charging circuit attached, best check with your local Wahl service agent. Lithium batteries are not generally sold to the public as they are dangerous (explosive) if charged incorrectly.

Posted on Oct 18, 2013

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Posted on Jan 02, 2017

brector3
  • 1598 Answers

SOURCE: The battery on my Remington

The charging system in your trimmer is not designed for lithium ion batteries. Installing a lithium ion battery could cause fire and/or personal injury. You should always use the same type battery that came in the shaver originally

Posted on Oct 08, 2010

brector3
  • 1598 Answers

SOURCE: I bought a WAHL 9854-600

The voltage in India is 22V. The unit you purchased in the US is for use with 120V. If you have plugged the unit into your 220V electric supply without a voltage converter to lower the voltage to 120V, you have damaged the charging cord and it will need to be replaced

Posted on Nov 24, 2010

  • 1 Answer

SOURCE: How do I split the case of my Wahl 9916C beard

Bottom side (black on mine) has a finger grove section that comes off with a small flat blade screw driver used to pry up, 4 tabs, one on each corner (Exposes 2 screws). Need a sauder (spelling not my thing) gun to remove and batteries are 2 ea 1.2 v (looks between AA & AAA size). I'm just going to just buy another unit. Good luck!

Posted on Feb 12, 2011

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Frequent Charging Shortens Battery Life Frequent charging shortens the life span of a Lithium ion battery. Batteries should be charged only after they expend all their power. b> Switching Batteries Switching batteries helps preserve battery life: If a cell phone or computer user puts in a spare battery while separately charging the primary Lithium ion battery, that helps extend the life of both batteries. b> Removing Batteries Most laptops charge the battery when a user plugs in the AC adapter. Users can adjust this setting by changing the power options. Windows places this option in the Control Panel, while the Gnome Linux desktop places power options under "Administrative Tools". Cell phones incorporate their own power-saving features that the user usually cannot control. b> When to Replace a Lithium Ion Battery If a laptop battery does not hold a charge for more than a few minutes, a user must replace the Lithium ion battery if he wants to use the computer without an AC adapter. b> Other Ways to Extend Battery Life Storing a battery in a cool, dry environment causes a lithium-ion battery to last a little longer and reduces the frequency of needed battery replacements. Battery Bar - Free version available
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Frequent Charging Shortens Battery Life Frequent charging shortens the life span of a Lithium ion battery. Batteries should be charged only after they expend all their power. b> Switching Batteries Switching batteries helps preserve battery life: If a cell phone or computer user puts in a spare battery while separately charging the primary Lithium ion battery, that helps extend the life of both batteries. b> Removing Batteries Most laptops charge the battery when a user plugs in the AC adapter. Users can adjust this setting by changing the power options. Windows places this option in the Control Panel, while the Gnome Linux desktop places power options under "Administrative Tools". Cell phones incorporate their own power-saving features that the user usually cannot control. b> When to Replace a Lithium Ion Battery If a laptop battery does not hold a charge for more than a few minutes, a user must replace the Lithium ion battery if he wants to use the computer without an AC adapter. Other Ways to Extend Battery Life Storing a battery in a cool, dry environment causes a lithium-ion battery to last a little longer and reduces the frequency of needed battery replacements. Hope this helps.

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How to change the Battery in a beard trimmer - YouTube

? 3:38
https://www.youtube.com/watch?v=QlLqB9S5oaI
Oct 20, 2013 - Uploaded by Shake the Future
Do you have a beard trimmer/clippers that don't hold the charge? Time to change the battery and give your beard trimmer a second life. .... Wahl Trimmer All-In-One Lithium Ion Unboxing - TimmyTechTV - Duration: 6:32. by ...

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How do I split the case of my Wahl 9916C beard trimmer to replace the rechargeable battery?


Bottom side (black on mine) has a finger grove section that comes off with a small flat blade screw driver used to pry up, 4 tabs, one on each corner (Exposes 2 screws). Need a sauder (spelling not my thing) gun to remove and batteries are 2 ea 1.2 v (looks between AA & AAA size). I'm just going to just buy another unit. Good luck!

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I bought a WAHL 9854-600 Lithium Ion All In One Trimmer when I was in US a month ago. I charged it once when i was in US and then returned to India. Though the charge lasted for a long time, I am unable to...


The voltage in India is 22V. The unit you purchased in the US is for use with 120V. If you have plugged the unit into your 220V electric supply without a voltage converter to lower the voltage to 120V, you have damaged the charging cord and it will need to be replaced

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The battery on my Remington MB70 trimmer is no longer hold a charge. Can the battery be changed to perhaps an Li-ion variety?


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