Tenergy Li-Ion 14500 Cylindrical 3.7V 800mAh Flat Top Rechargeable Battery - UL Listed

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Product Options

Tabs Option:

Features and Benefits:

  • Li-ion 14500 cylindrical AA size rechargeable battery.
  • 3.7V 800mAh high capacity - 3 times the Voltage of AA NiMH or NiCD rechargeable batteries (1.2V).
  • Higher energy density and lower weight than other rechargeable batteries.
  • Ideal for building power packs (i.e., RC cars, planes, robots, etc.) with fewer cells needed than for NiMH or NiCD batteries.
  • Manufactured under ISO9001-2000 to assure quality.
  • Battery tested based on International Electronic Commission (IEC) standard to ensure capacity, quality, and life-span.


  • RC Applications, car, plane, etc.
  • Safety, Alarm, metering, power backup, etc.
  • Building portable power device needing high energy density and low weight.


Nominal Capacity 800mAh
Nominal Voltage 3.7V
Fully Charged Voltage 4.2V
Discharged Voltage 3.0V
Standard Charge 400mA (0.5C)
Standard Discharge 160mA (0.2C)
Max Charge 800mA (1C)
Max Discharge 800mA (1C)
Impedance <80mΩ
Cycle Life >300 Cycles
Operation Temperature Charge 0 ~ 45oC
Discharge -20 ~ 60oC
Storage Temperature During 1 Month -20~60oC
During 3 Month -20~45oC
During 1 Year -20~20oC
Dimension (D x H) No tabs 14.2 x 48.5mm
With tabs 14.5 x 50mm
Weight 20g (no tabs), 22g (w/ tabs)

Download Product Datasheet HERE (without Tabs) and HERE (with Tabs).


  • CAUTION: when working with Li-ion cells, they are very sensitive to charging characteristics and may explode if mishandled.
  • Protective Circuit Board is required when making packs.
  • User should have enough knowledge on Li-Ion rechargeable batteries regarding charging, discharging,and assembly before use.
  • Store the batteries in fire-proof container.
  • Never leave batteries unattended while charging.
  • Do not put batteries on wood surface or carpet while charging.
  • We are not responsible for damage of any modification to the batteries in form, shape, or when make into packs.
  • We are not responsible for any damages caused by misuse or mishandling of the batteries.

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