CATL 3.7V 203Ah 4PCS NMC lithium Battery Cell 2000+cycle life Rechargeable For DIY 12V 24V 48V PACK Solar Energy System Boat RV EV

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CATL 3.7V203Ah 4 pcs

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Free warranty Free replacement for quality problems


Battery Specification

Nominal voltage: 3.7V
Standard capacity: 203Ah
Size: 148*85*103mm
Weight: about 3000g
Charge voltage: 4.30 ±0.05V
Cut-off voltage: 3.0±0.05V
Internal resistance: ≤0.5mΩ
Standard charging current: 0.2C
Standard discharge current: 0.5C
Max. Charge Current: 1C
Max. Continuous Discharge Current:1C
Charge temperature: 0℃~55℃
Discharge temperature: -20℃~55℃



1. For easy assemble, we will weld the M6 studs on the cell, each battery will send 1 pcs copper busbar and 2 nuts. If you have other requirement of the screw size, please contact us. 

2. Before we ship the batteries, we will match the cell's capacity, voltage, resistance. Make sure each cell is good. 

3. When you receive the batteries and want to assemble them, please make sure the cell's  voltage is the same. And match the right BMS. 

4. The battery is suitable for DIY lovers with experience.



Solar energy storage, solar power system, UPS supply, Engine starting battery, Electric bicycle/motorcycle/scooter, Golf trolley/carts, RV, EV, Caravan...