


Model | 18650-8S2P |
Nominal voltage | 28.8V |
Nominal capacity | 5200mAh |
Size | customized |
Max charge current | 0.5C |
Charging method | Constant current 1C to 4.2V,then charge with constant voltage 4.2V till charge current less than 0.01C |
Max discharge current | 1C |
Discharge cut-off voltage | 3V, the over-discharge detection voltage of PCM |
Operating environment | Charging, 0°C ~ 45°C ; 65±20%RH; Discharging, -20°C~60°C ; 65±20%RH |
Storage environment | -20°C~45°; 65±20%RH; |
Lifespan (80% Prime Capacity) | >500times |
Charging Attention | It is dangerous that charging with higher current or voltage than Product Specification may cause damage to the cell electrical, mechanical safety performance. |
1. With 15 years of unparalleled expertise in the lithium battery industry, we offer an expansive selection of battery packs and innovative battery solutions for our valued customers.
2. Harnessing the forefront of design and process control, we deliver market-leading battery components that ensure reliability and advancement.
3. Seamlessly integrated industry and trade systems allow us to provide swift responses and efficient solutions tailored to your unique lithium battery requirements.
4. Our robust quality control system is ISO9001 certified, ensuring exhaustive testing prior to delivery for absolute peace of mind.
5. Enjoy bespoke packaging solutions and personalized options, including tailored labels, plugs, connectors, overcurrent protection, and temperature control solutions for diverse environments.
6. We offer custom adapters and chargers to suit your specific needs.


Product Application
Our batteries power high-performance flashlights, high-power flashlights, and ultra-bright flashlights.
Rugged self-defense flashlights are also within our scope of application.
Support for DVD players, speakers, microphones, sound equipment, audio systems, digital cameras, and video cameras.
electric vacuum cleaners, children's toys, shoes, blankets, and so much more.
trolleys, and carts, providing reliable power and performance.
headsets, set top boxes, Bluetooth speakers, beauty instruments, miner's lamps, electric toys, and emergency phones.










We quote within 12 hours after receiving your inquiry. Please tell us the specific parameters
in your email so that we can give youa quote first.
2. How can I get samples to check the battery quality?
After the price is confirmed, you can request some samples to check our quality.
3. Delivery time for mass production?
Usually about 1 month. It is recommended that you start inquiry 2 months before the date of purchase of the battery.
4. What are your payment terms?
The company currently accepts T/T and Paypal.
Want to know more please contact us.
We look forward to hearing from you and thank you for visiting.