Product Description
This 7.4V 2200mAh 18650 2S1P Li-ion Battery Pack is designed specifically for emergency lighting systems and related safety devices. It is suitable for procurement by businesses requiring reliable power solutions for critical backup functions. The battery pack meets demand across industries where steady voltage and capacity retention are necessary for safe, long-term operation.
Configured with 18650 lithium ion battery cells in a 2 series 1 parallel design, the pack provides nominal voltage of 7.4V and capacity of 2200mAh. It maintains stable discharge voltage with low internal resistance (≤100mΩ) and supports over 800 charge-discharge cycles above 80% capacity retention. Safety certifications include CE, RoHS, UN38.3, and IEC62133, reflecting compliance with relevant regulatory standards.
The battery pack suits various emergency lighting arrangements, including portable and stationary units. Its operation across wide temperature ranges (-20℃ to 60℃ discharge) allows use in multiple environments. OEMs and distributors may consider it for integration in backup power sources, portable alarm devices, or other safety equipment requiring rechargeable lithium ion battery technology.

| Item | Specifications | Remark |
| Model No. | 18650-2200-2S1P | |
| Nominal Voltage | 7.4V | |
| Nominal Capacity | 2200mAh | Standard discharge after standard charge |
| Dimensions | 69x37.5x19.5mm max | LxWxT |
| Cycle Life | ≥800 times | ≥ 80% of the initial capacity |
| Charge Method | CC/CV | lithium battery special charger |
| Charge Cut-off Voltage | 8.4V | |
| Discharge Cut-off Voltage | 5.5V | |
| Standard Charge Current | 0.2C | |
| Standard Discharge Current | 0.2C | |
| Max Continuous Charge Current | 1C | 10℃≤Temp<45℃ |
| Continuous Discharge Current | 1C | |
| Peak Discharge Current | 3C | |
| Recommended Operation Ambient Temperature | Charge: 0~45℃ Discharge:-20~60℃ | |
| Storage Temperature | -20℃~25℃ | 12 months |
| -20℃~45℃ | 3 months | |
| -20℃~60 ℃ | 1 month | |
| Internal Resistance | ≤100mΩ | |
| Weight | 96±5g |


