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AceBeam IMR 21700 4000mAh
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AceBeam IMR 21700 USB-C rechargeable 4000mAh Li-ion battery

This Acebeam battery is a 4000mAh button top rechargeable Li-ion 21700 battery. The battery can be directly recharged using a USB-C charging cable which is included with this battery. This battery is compatible with wide range of 21700 torches.


  • Battery Size: 21700
  • Battery Chemistry: IMR Li-Ion
  • Nominal Voltage: 3.6V
  • Nominal Capacity: 4000mAh
  • Nominal Watt Hours: 14.4wh
  • Weight: 73g


Li-ion notes: All lithium ion batteries have a risk of fire and/or explosion, handle batteries with care, ensuring not to overcharge or over discharge, even if the battery contains a protection circuit. If battery is visibly damaged, stop use immediately and dispose of appropriately (Li-ion batteries pose a serious fire risk if thrown into household waste). If a battery is not to be used for over two weeks, store partially charged (30-50%) for maximum capacity retention.

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