LiTime 36V 50Ah Group 31 Bluetooth LiFePO4 Battery - Marine Powerhouse Ideal For: The ultimate 36v lithium trolling motor battery (up to 120lb thrust) and a reliable 36v lithium battery for marine applications, boats, home energy storage, solar backup, and off-grid systems. Unrivaled Marine Performance & Safety: ABYC & ASA Certified: Meets rigorous marine standards for safety and reliability. Crafted with premium Automotive-Grade LiFePO4 cells for exceptional quality. Built for the Water: Integrated 50A BMS provides robust protection against salt spray, high humidity, low/high temperatures, short circuit, over-voltage, under-voltage, and over-current. Superior Longevity: Delivers over 4000+ deep cycles (3x lead-acid lifespan) and a 10-year service life. Minimal self-discharge ensures power when needed. Smart Bluetooth 5.0 Control: Monitor voltage, current, temperature, and state of charge in real-time via the LiTime App. Features auto-connection, smart discharging control, system checks, and remote shut-off. Power & Expandable Energy: High Continuous Output: Supports 50A continuous discharge (60A for 30 minutes surge). Delivers max. 7.68kW load power. Scalable Capacity: Connect up to 4 batteries in parallel to create a massive 36V 200Ah system (7.68kWh storage) for extended adventures or larger energy needs. Best-in-Class Energy Density: At 57.93 Wh/lb, it outperforms competitors (10.85% denser than typical 12V 100Ah TM batteries), offering more power in less space and weight. Reliable Support: 5-Year Warranty & Expert Support: Backed by LiTime's comprehensive 5-year warranty and responsive customer service (24-hour response). LiTime 36V 50Ah: The smarter, safer, longer-lasting power solution engineered for demanding marine environments and versatile energy storage. Note: For first-time use or after shutdown, charge with a lithium-activation charger or MPPT charger to activate Bluetooth.