1PCS Basen 21700 30A 4000mah 3.7V High Drain Flat Top Battery

Specification:
Chemistry: INR
Max. continuous discharge current: 30A 
Nominal capacity: 4000 mAh
Nominal voltage: 3.6 V
Discharge end voltage: 2.5 V
Charging voltage: 4.20 +/- 0.05 V
Standard charging current: 1.5 A
Protection: Not Protected (Flat-Top)
Size:Diameter: 21.04mm; Length: 70.10mm

Package included:
1x Basen 21700 Battery