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Acebeam 10440 320mAh 3.7V Unprotected High-Drain Lithium Ion (Li-ion) Button Top Battery

acebeam 10440 lithium ion battery at an angle
acebeam 10440 lithium ion battery at an angle
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Acebeam 10440 320mAh 3.7V Unprotected Li-ion Battery

High-Drain Lithium Ion Power

The next time you need a new battery for one of your favorite EDC or small LED flashlights, look no further than the Acebeam 10440 Li-ion Battery. This unique sized battery is commonly found in high powered smaller LED flashlights and even some high performance electronics. The 320mAh capacity will keep your high-drain flashlights or devices running smoothly with a consistent 3.7V of power. Rechargeable up to 300 times, you are not only helping the environment by reusing a drained cell, but you are also getting your money's worth! The lithium chemistry allows for a stable power supply and can be stored up to three years. Perfect to stock up on and save for when you need them the most.


  • Unique battery size
  • Stable, long-lasting Li-ion power
  • Rechargeable up to 300 times
  • 3 Year shelf life
  • For use in high-drain flashlights and devices
  • 320mAh for extended use


  • Battery Size: 10440
  • Battery Chemistry: Li-ion
  • Nominal Voltage: 3.7V
  • Nominal Capacity: 320mAh
  • Estimated Charge Cycles: 300 cycles
  • Shelf Life: 3 Years
  • Dimensions:
    • Length: 1.8" (45.7mm)
    • Diameter: 0.4" (10.2mm)
  • Weight: 0.3oz. (9g)

lithium-ion safety warning
Battery Size:10440
Battery Capacity (mAh):320
Battery Chemistry:Li-Ion
Battery Voltage:3.7
Battery Terminal Type:Button Top
Battery Shelf Life:3 Years
Packaging:Retail Packaging
Warranty:Battery Junction 30-Day Warranty
Return Policy:Battery Junction Return Policy
Product Weight:0.3oz
Product Dimensions:1.8" (L) x 0.4" (Diameter)
Country of Origin:China
Associated Battery Sizes:10440, AAA, Lithium Ion AAA
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Acebeam 10440 320mAh 3.7V Unprotected High-Drain Lithium Ion (Li-ion) Button Top Battery

  • $7.90
  • & Free Shipping On Orders Over $50
  • In Stock