Brand Name : MEGA
Model Number : 7.4v 4000mah lithium ion battery pack
Certification : MSDS, REACH, UN38.3
Place of Origin : Fujian China
MOQ : 10PCS/ORDER
Price : negotiable
Supply Ability : 300000pcs/day
Delivery Time : 3-7days
Packaging Details : 600pcs/box, 4boxes/ctn
Cell Size : 38*38*70mm(T*W*H)
Volt : 7.4V
Capacity : 4400mAh
Standard Charging Rate : 0.2C
Cut off voltage : 6.0V
Cycle life : 500 times
Charging Temperature : 0°C- 45°C
Working Temperature : -20°C- 60°C
7.4v 4000mah 18650 li-ion rechargeable battery pack alarm system power supply[GPE]
7.4v 4000mah 18650 li-ion rechargeable battery pack
Nominal voltage | 7.4V |
Nominal capacity | 4000mAh |
Size | length × width × high (mm) |
L40*W40*H70MM(with PCM) | |
Advantage | High energy density Safety and reliable(with PCM) Long cycle life no memory Never explosion,stable performance,environment friendly capacity and size could be customized |
Weight | about 95g |
Max charge current | 0.5-1C |
Max discharge current | 1-2C |
Operating environment | Charging, 0°C ~ 45°C ; 65±20%RH |
Discharging, -20°C~60°C ; 65±20%RH | |
Storage environment | -20°C~45°C |
65±20%RH | |
storage for a long time(>3 months) and the storage condition shall be:<35°C;65±20%RH; | |
CycleLife (80% Prime Capacity) : | Over 500times |
Charging Attention | Charging current and charging voltage should be less than specified in the Product Specification. |
The charger shall be designed to comply with Specification. | |
It is dangerous that charging with higher current or voltage than Product Specification may cause damage to the cell electrical, mechanical safety performance. | |
Battery Cell | 18650 cell or other Brand 18650 cell |
PCB Safety Function | Cell balancing,Over-discharge,Over current protection, Over-charge,Temperature protection,Secondary protection. |
7.4 V 4000mah 18650 Li Ion Rechargeable Battery Images |