12V40Ah lifepo4 battery pack for solar kit 70Wc 12V Specification 1)Rated voltage                        12V 2)Rated capacity                      40AH 3)Max charge voltage               14.6V 4)cut off voltage                       10V 5)charge method                      CC&CV Comprehensive performance Usage safety: stability at high temperatures can be up to 400-500 degree (and release least heat in case of abuse ), No explosion or combustion by overcharging, overheating, short circuit and from collide. LiFePO4 battery is the only absolute safety battery in the world at the moment. 1.Long life: high frequency of cycling, at room temperature 1c charge and discharge cycle index is 2000 times, the capacity retention rate is over 80%; 5 times than lead acid batteries, 4 times than nickel hydride batteries, 4 times than lithium cobalt oxide batteries , about 4-5 times than lithium manganese batteries. 2.Environment friendly   3.Superior high power charge and discharge performance 4.No memory effect:the battery can recharge after use in any situation, no need depth of discharge before recharge. 5.Light weight, small size: under the same energy, the weight is 1 / 3 of lead-acid battery, 63% of nickel hydride battery; the volume is 2 / 3 of lead-acid battery We can design according to your requirements, please contact us