12v 40ah lithium battery pack for solar street light system Product Description Detailed parameters of 12v 40ah lithium battery pack for solar street light system Cell model GLP20Ah-70170240 Capacity(0.5C) 20Ah rated voltage(V) 3.2V Typical Impedance (mΩ) â?¤2mW Battery material Lifepo4 battery Lithium ion phosphate battery pack Combination method 2P4S Minimal capacity(0.5C) 40Ah Nominal voltage 12V Max. charge voltage 14.6V Discharge cut-off voltage 9V-10V Max Charge current 20A Max Working current 40A Standard charge current 12A Standard discharge current 12A Pack Impedance standard â?¤35mW Weight (Approx.) â??3.2Kg Max. dimension(LÃ?WÃ?H)(mm) â?¤ 62*176*270 Operating temperature Charge temperature 0â??~45â?? Discharge temperature -20â??~55â?? FAQ (1). Whatâ??s kinds of battery will you provide? We have three type battery: Lithium ion battery,LiFePO4 storage battery,LiFePO4 electric vehicle battery.There are many different model battery here, we can supply 3.2V 3.5ah-400ah LiFePO4 battery, 3.7v 100mah-3.7V 300Ah battery, 12v 0.8Ah-12v 400Ah battery. (2). Your battery can meet CE RoHS requirements? Our battery are with the certificate of CE/RoHS. (3). Can we change the color based on the original? Yes, the color can be customer-made according to your requirement. (4). Can you print my picture or logo on the battery cover? Yes, OEM is available,we can print your picture or logo on the battery case, and you can offer your logo. (5). What kind of guarantee you give? Our battery products can be used for more than 3 years. For LiFePO4 battery our warranty time is 3years.If it has quality problem during the warranty time we will change new battery for you. Long time warranty also can be customized.