Sanyo GA 18650, 10 Amp, 3450mAh, Flat/Button Top

If your torch is for mounting on a gun, a button top must be used. This is to prevent the positive terminal being dented in by the spring.
 
Price is per battery
 
Specs:

- Model: GA
- Manufacturer: Sanyo
- Rated capacity: 3300mAh
- Minimum capacity: 3350 mAh
- Typical capacity: 3450mAh
- Nominal voltage: 3.6 V
- Charging voltage: 4.20
- Discharging end voltage: 2.5V
- Standard charging current: 1.7A
- Continuous discharging current: 10A
- Size: 18.5mm x 65.3mm
- Weight: 49.5g
- Origin: Japan
 
Buyers must be aware of lithium safety before purchase. Please read my thorough battery safety guide - here