Product Description
The LG 21700 M50LT lithium ion battery cell targets applications requiring reliable, steady power output and extended cycle life. Designed for devices with moderate to high current demands, it’s applicable for OEM projects and distributors sourcing energy cells for electronics, power tools, and mobility devices. Its size and configuration make it suitable where space and capacity considerations align with the 21700 form factor.
This li-ion lithium battery features a 3.6V nominal voltage and 4800mAh capacity, delivering 10A continuous and 20A peak discharge current. Its low internal resistance (≤18mΩ) supports stable voltage output and contributes to efficiency. Certified to CE, ROHS, UN38.3, and UL standards, the cell meets common industry safety and environmental requirements. The battery supports over 800 recharge cycles and adheres to recommended environmental operating ranges, emphasizing consistency and compliance for bulk sourcing.
The battery’s characteristic stable discharge voltage and substantial cycle life allow integration into products such as portable Bluetooth speakers, GPS trackers, smart locks, electric scooters, and handheld medical devices. It fits well in commercial usage scenarios where dependable energy storage is necessary, including wholesale distribution and OEM bundling for devices demanding a rechargeable lithium ion battery with proven safety certifications.

| Item | Specifications | Remark |
| Model No. | 21700-4800mAh | |
| Nominal Voltage | 3.6V | |
| Nominal Capacity | 4800mAh | @0.2C standard charge&discharge |
| Dimensions | 21*70mm max | Diameter*Height |
| Cycle Life | ≥800 times | |
| Charge Method | CC/CV with professional charger | |
| Charge Cut-off Voltage | 4.2V | |
| Discharge Cut-off Voltage | 2.5V | |
| Standard Charge Current | 0.2C | |
| Standard Discharge Current | 0.2C | |
| Max Continuous Charge Current | 1C | |
| Continuous Discharge Current | 10A | |
| Peak Discharge Current | 20A | |
| 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 | ≤18mΩ | |
| Weight | Approx. 46g |


