The XZNY Compact 12V 310Ah 3968Wh LiFePO4 lithium battery is 47.8% smaller in size compared to the standard 12V 310Ah LiFePO4 battery, with an energy density increased to 65Wh/lb. The compact design allows for more space savings or enables you to fit more high-capacity batteries into the same area. The XZNY small-sized 12V 310Ah deep cycle lithium battery is equipped with a 200A intelligent BMS, which provides precise low and high temp-protection, extending the battery's lifespan in special environments. It also features multiple protective measures to comprehensively safeguard the battery. The XZNY portable 12V 310Ah lithium battery delivers outstanding performance, supporting continuous charging and discharging at 200A, with a peak discharge of 500A for 5 seconds and a maximum load power of 2560W. Its excellent discharge performance and 3968Wh capacity make it capable of running most appliances effortlessly. The XZNY small volume 12V 310Ah Lithium iron phosphate battery also boasts exceptional expansion capabilities, supporting up to 4 series and 5 parallel connections simultaneously! This provides one additional parallel connection compared to other 310Ah batteries. It can be connected in series up to 48V (51.2V) and in parallel up to 1400Ah, forming a 71.68KWh battery system! Based on a daily usage of 2.5KWh, this power system can sustain operation for 28 days! The XZNY compact 12V 310Ah LiFePO4 solar battery uses true A-grade cells, with a 100% DOD cycle life of up to 6000 cycles, and its capacity is accurately rated, making it ideal for RV and off-grid applications. The XZNY 12V 310Ah RV battery is an excellent alternative to lead-acid batteries, reducing weight by 130 pounds, increasing lifespan by 10 times, and providing 50% more usable power, while being environmentally friendly. It is highly suitable for replacing lead-acid batteries in RVs, boats, and solar power systems.