BAK 21700, 5000mAh, 15A, Flat/Button Top

Note: If your torch is to be weapon mounted, you must select the "Button Top" option. The button top cap prevents battery damage from the recoil.
 
Price is per battery
 
Battery specs:
 
- Nominal Capacity: 5000mAh
- Nominal Voltage: 3.6V
- Maximum Voltage: 4.2V
- Continuous Discharge Current: 15A
- Approximate Dimensions: 21mm x 70mm
- Unprotected: Yes
 
Buyers must be aware of lithium safety before purchase. Please read my thorough battery safety guide - here