Spare 10440 Cell Battery
Spare 10440 Cell Battery
10440 - > AAA Size 3.7V 350 MAH
- Model:3.7V 350MAH AAA ICR 10440 Battery
- Diameter:0.41 inch*Height:1.75 inch
- Do NOT use these batteries in flashlights that require 1.5V batteries.
Charging Output for 10440 Battery 4.2V @ 1A Max
Note only charge at .5A-1A for 10440 Cells to safely prolong the battery life upto 2000 cycles
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We have received hundreds of emails asking for a light which uses a 10440 cell battery. We now have the ReyLight Copper AAA/10440 light which works with both cell variants.
Why use a 10440 Lithium cell? Higher voltage = Much brighter & also rechargeable
Warning: Dont use this cell in another AAA or Maratac light you have as it will void you warranty and destroy the light. Misusing or mishandling a lithium-ion battery may cause a FIRE or EXPLOSION which can result in INJURY or DEATH. You MUST read the safety warnings and resources before purchasing, using, and/or handling batteries.
- Misusing or mishandling lithium ion batteries can pose a SERIOUS RISK of personal injury, property damage, or death
- Only use in a device which as a smart BMS built in
- Note the length of the cell to ensure it will work in your application as well
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If your flashlight were the only device into which a buyer might attempt to insert the battery, there’d be no issue. However, since it is a great battery, others may buy it for other purposes. They need to be warned of its limitations.
- BATTERIES MAY EXPLODE, BURN, OR CAUSE A FIRE IF MISUSED OR MISHANDLED
- ONLY use with proper protection circuitry
- ONLY use within manufacturer specification
- DO NOT store loose in pocket, purse, etc. – always use a protective case
- KEEP AWAY from metal objects to prevent short circuiting
- DO NOT short circuit
- DO NOT use if wrapper or insulator is damaged or torn
- DO NOT use if damaged in any way
- DO NOT overcharge or over-discharge
- DO NOT modify, disassemble, puncture, cut, crush, or incinerate
- DO NOT expose to liquids or high temperatures
- DO NOT solder
- User must be familiar with handling lithium ion batteries before purchase
- Usage of batteries is AT YOUR OWN RISK
Spare 10440 Cell Battery in Action
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At CountyComm, we're dedicated to excellence, unwavering quality, and innovative solutions. For over 30 years, we've relentlessly provided top-notch tactical gear designed to outlast your adventures.
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Customer Reviews
These 10440 batteries along with the peanut light extension allow the light to truly become a proper EDC. The peanut light while great to carry but can really operate for about 20-25 minutes. With the extension and the 10440s it’s good for over an hour or more all while still maintaining the size of a keychain light. Rechargeable flashlights are great but when they’re dead you’re dead. The peanut with 10440s gives you a long run time and with a couple of spare batteries your good for all night.
I’m extremely satisfied with the quality products and fast service from County Com!
I purchased this battery to extend the runtime on my titanium peanut beast. It definitely did the job!! I'm probably going to purchase another one to have as a spare. County Com is the best.
Mike, you did it again! Fantastic brother… have two and they are just as stated!!! Please keep up the great work!
Stay safe brother!
Don’t get Caught without a battery for the peanut extension. Works great as always.