High Performance Backup Battery, 7.4V 4000Mah Rechargeable...

Product Specifications:

▪ Battery type: 18650 rechargeable lithium ion battery
▪ Voltage: 7.4V
▪ Nominal capacity: 4000mAh
▪ Combination: two in parallel and two in series
▪ Size: about 65×36×36 mm
▪ Applications: The battery can be used in night fishing lights, mining lights, stereo, megaphones, etc

Battery type: 18650 rechargeable lithium ion battery pack.
Voltage: 7.4V, capacity: 4000mAh.
Size: about 65×36×36 mm.
Protection function: overcharge, over discharge, over current, etc.
Applicable to: night fishing lights, mining lights, stereo, megaphones, etc.