Description
Manufacturer: Fogstar
Model: FS4000
Size: 21700
Capacity: 4000mAh
Maximum Discharge: 40A
Nominal Voltage: 3.6V
Maximum Voltage: 4.2V
Top: Flat-Top
Protection: None Supporting documents are available upon request (UN38.3, Specification Reports & MSDS) Lithium-ion batteries should never be kept loose in your pocket or purse. Always use the case provided. Lithium-ion cells should be charged on a dedicated charger rated specifically for Lithium-Ion cells.
Never leave a battery unattended whilst charging. Keep away from animals and children.
Wraps and insulators should be periodically inspected for tears or damage. If a battery has a damaged wrap, it should be repaired or disposed of immediately.
Batteries usually have a cycle life of between 200-500 cycles (varies with manufacturer) before noticeable capacity drop off. Batteries should be recycled at this time.
Do not crush, incinerate or modify.
Only use within manufacturer specification.





