4 Pack ExpertPower 12V 100Ah Lithium LiFePO4 Deep Cycle Rechargeable Battery | Bluetooth | 2500-7000 Life Cycles & 10-Year Lifespan | Built-in BMS | RV, Van, Solar, Marine, Overland, Off-Grid

LiFePO4: ExpertPower’s newest line of batteries – The No.1 Sealed Lead Acid Battery Seller on Amazon.

All-Purpose: Built-in Bluetooth allows easily track the battery level on your phone with the handy app. Monitor the battery State of Charge, temperature, protection warning and all others with just a click of a button on your smartphone. Also supports expansion up to 4 batteries sequenced in series at 48V 100Ah, or 10 in parallel at 12V 1000Ah.

Longer Service Life: Our LiFePO4 battery provides 2500 - 7000 cycles & a 10 years lifetime compared to 200 - 500 cycles & a 3 years lifetime in typical Lead Acid chemistry.

Efficient Power: Our LiFePO4 battery’s flat discharge curve holds above 12V for up to 95% of its capacity usage providing astronomical boosts in run-time compared to only 50% in Lead Acid. Impeccably Lightweight: Our LiFePO4 battery is only a 1/3 of the weight of Lead Acid which makes it the disputable choice for RVs, Marine and Off-Grid Applications when towing or mobility is in the consideration.

Complete Protection: The lithium battery’s unique built-in Battery Management System (BMS) protects it from overcharge, deep discharge, overloading, overheating and short circuit, and excessive low self-discharge rate ensuring up to 1 year maintenance-free storage. Built-in low-temp cut off prevents charging under 23 °F (-5 °C).