It is equipped with an advanced Battery Management System to prevent battery failures caused by overcharge, over-discharge, over-current discharge, short-circuit, and self-balancing cell voltage. Seaching fo an aftemaket Acua MDX Steeing ack Boot? Get it with ou Fee 30-Day etuns. Ode now no water refilling) compared to lead-acid batteries. 【Reliable Recharge】: Our 12V 30Ah LiFePO4 battery supports flexible series/parallel configurations, allowing connection of up to 4 identical units to achieve 48V-51.2V max voltage, while requiring zero maintenance (e.g. Aazon.co: ECO-WORTHY (2 Pack 12V 30AH Lithiu LiFePO4 Battery for... 12 Volt Aazon.co: NERAK 12V 30Ah Lithiu LiFePO4 Deep Cycle Battery, 2000 12v Battery (Note: This is not a starting or power battery.) Vatrer 12V 30AH LiFePO4 Lithium Battery, Built-in 30A BMS, 5000+ Cycle 【What You Get】1 * Miady 12V 30Ah Lithium Iron Phosphate Battery and 18 months hassle-free warranty. Additionally, lithium batteries' volume and weight are approximately 1/3 of those of lead-acid batteries 【Wide Applications】This LiFePO4 battery is widely used in various applications: For Small UPS,Fish Finder,Kids Car,Scooters,Solar Panel Power,small Trolling Motor,Camera,Speaker,Gate Opener,Emergency lighting (LED strip etc),12V router,Kayak,Backup power,Ham Radio,Home Alarm ,Fire Security Systems,12V Router and more 【Long Cycle Life】: Lithium batteries have 3000+ cycles and a 10-year lifespan, while traditional lead-acid batteries have only 200-300 cycles, resulting in a lower average cost of use.