About This 28.6% HIGHER CAPACITY, SAME SIZE: Upgraded from 100Ah to 140Ah Group31 lithium battery, delivering more power in the same compact design. Perfect for RVs, boats, and solar systems. REAL-TIME BLUETOOTH 5.0 MONITORING: Redodo LiFePO4 Battery can track voltage, current, power, and capacity via APP. Control discharges or power off remotely (within 10 meters). Never worry about unexpected power issues. 10-YEAR LIFESPAN, 4000+ CYCLES: 12V lithium battery outlast lead-acid batteries (2-3 years, 500 cycles) with durable LiFePO4 technology. Ideal for long-term energy needs. UPGRADED 150A BMS: 12V lithium battery BMS upgrade again! Moisture-proof, salt-spray proof, and low temperature cut-off function ensure stable performance in harsh environments, deep cycle battery designed for RV enthusiasts. All upgraded technologies ensure higher performance! EXPANDABLE TO 48V 560AH SYSTEM: Connect up to 4P4S for 28.67kWh energy storage. Powers trolling motors, solar setups, home backup, and off-grid living. 24/7 EXPERT SUPPORT: Redodo battery offers 24 hours one on one service. Upon arrival, it is essential to charge the battery with a dedicated lithium iron phosphate charger that has a 0V capability in order for it to function normally. If you have any questions about the energy system, please let us know and we will always be here! Overview Brand : Redodo Size : 2 Pack Manufacturer : Redodo Voltage 12.8 Volts : Battery Cell Composition Lithium-Phosphate : Voltage 12.8 Volts : Battery Cell Composition Lithium-Phosphate