Description
Trustfire Protected 3.7V 1800mAh 18500 Li-ion Battery – Button Top (single) Clearance Item
These button top Trustfire cells measure in at 52.2x18mm. They are suitable for use with flashlights (rated for 3.7V).
Specifications:
Shell material: steel
Rated voltage: 3.7V
Internal resistance: <= 100 milli ohm
Low voltage cut off: 2.75V
Over charge voltage cut off: 4.2V
Maximum charge current: 1.5C
Maximum discharge current: 1.5C
Diameter: 18.0 +/- 0.5mm
Height: 52.2 +/- 0.5mm
Environmental temperature (operating): 0~45'C
Environmental temperature (charging): -20~60'C
Please Note: Must be charged with a Li-Ion Charger. Do not use a NIMH Charger. Please use an appropriate, quality charger and never leave to charge unattended. Do not carry in your pocket alongside keys or change – doing so may cause the battery to discharge/explode.







