Description
Fogstar the renowned UK battery supplier is launching their own branded batteries. These fantastic 21700 batteries offer a 4000mAh with a huge 40amp rating which is ideal for high powered devices, such as Sub Ohm or DTL (Direct to Lung) Devices. Manufacturer:Fogstar
Model:FS4000
Size: 21700
Capacity:4000mAh
Maximum Discharge:40A
Nominal Voltage: 3.6V
Maximum Voltage: 4.2V
Top:Flat-Top
Protection:None Never carry Lithium ion batteries in pockets, bags etc this can be extremely hazardous. Lithium-Ion cells should be charged on a dedicated charger rated specifically for Lithium-Ion cells. You can find our wide range of dedicated chargershere.
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. Our huge range of battery wraps can be foundhere.
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 manufacturers specification.





