
14.8v 4S2P 4000mah Rechargeable 18650 li-ion battery pack for emergency lights
Li-ion 14.8v 4000mah 18650 battery pack with long lifespan,no memory,excellent performance with small size and light weight for emergency light,exit lights,miner lamp, solar garden light, solar street light, ect.
Rechargeable 14.8v 4000mah 18650 li-ion battery pack 4S2P for emergency lights
Applications:
1.emergency light, exit light, garden light, Xenon lights,miner lamp, ect.
2. Large-scale electric vehicles: such as bus, electric car, tourist car and com mix car
3. Electric tool: electric drill, electric saw, lawn mower
4. Remote control cars, boat, aircraft, toys,
5. Solar and wind power generation energy storage devices
6. UPS emergency lights, warning lights and miners lamp
8. Small medical equipment and portable equipment
Model | CMX-2P4S4000 |
Nominal Voltage | 14.8V |
Nominal Capacity | 4000mah |
Charging current | 0.5C |
Discharge current | 1C |
Cycle life | More than 500 times |
Charging Temperature | 0~45°C |
Discharging temperature | -20~60°C |
Storage temperature | -20~35°C |
Size | 75(T) x 65(W) x 36(H)mm |
Over-charged protection voltage | 16.8V±0.05V |
Over-discharged protection voltage | 12V±0.1V |
Output terminal and line requirements | With label, plug, connector, can be customized |
About Coremax
Coremax Technology is a leading manufacturer of lithium ion battery with more than 10 years history in China. The main products are rechargeable polymer battery, 18650 battery pack, e-bike battery, lithium battery packs and customized battery projects. Coremax provide one-step solution and whole series products from batteries to battery components as customers’ requirements. Products have passed the certifications included ISO9001, UL, CE, CB, KC, MSDS, UN38.3 and so on. Coremax ensure that all customers enjoy high quality, best price, fast delivery, and good service.

What We DO
Lithium ion Battery and Battery Packs
Provide different capacity and voltage to meet requirment from different industry. With Coremax Self developed BMS, the battery pack will work in a very good condition on charging and discharge.
Lithium Polymer Battery and Packs
Lithium polymer battery is widely apply with portable products like GPS,PDA, E-book ,PMP, PSP, portable medical device and also Illuminate Devices: Miner lamp, search light.
Lithium Iron Phosphate Battery
Higher operating voltage of 3.2V and energy density. Higher discharge rate for more powerful devices: Stable discharge under various temperatures environmental conditions.




