Low-Temp Protection: Cuts off if charge <0°F/discharge < -4°F. Stops cold damage. Battery stays safe, reliable even in extreme cold. Multiple Protection : 20+ BMS safeguards, IP65 waterproof, salt fog-resistant. More durable in harsh spots. Battery lasts longer—less worry in tough conditions. Expandable to 33.79kWh: 4P4S (51.2V 660Ah) for more power. Fits RVs/home backup/trolling motors. Meets growing electricity needs easy. Top Grade LiFePO4 Cells: Auto-grade cells, BMS blocks overcharge/overcurrent. Stable for 10 years. Reliable performance long-term—no frequent issues. Bluetooth 5.0: Auto-connects, monitors real-time, controls discharge. Tracks battery status easy. Keeps your adventures powered smooth—no interruptions. Auto Overload Protection: 12V 165Ah detects/rec overs from overloads. No manual reset. Uninterrupted use—no damage. Group 31 Size : Highest Energy-Density in Group31 LiFePO4 Battery, Standard dimensions. Fits most U.S. RVs. Hassle-free installation, no size issues. 5-year service, complies with the UL 1973 standard, FCC, CE, RoHS, UN38.3 certified. Please do not use it as a starter battery or for a golf cart. ASIN B0DXPWHGW2 Size 1 Pack Voltage 12.8 Volts Terminal M8 Brand Name Litime Item Weight 32.2 Pounds Battery Type Lithium Ion Manufacturer Litime Model Number L12V165-165-BT-4-A100 Number Of Cells 1 Battery Capacity 165 Amp Hours Automotive Fit Type Universal Fit Included Components 1 * LiTime 12V 165Ah Battery, 1 * Product Manual, 2 * Flat Washer, 2 * Insulation Caps, 2 * M8 - 5/8 (16MM) Terminal Bolts Manufacturer Part Number L12V165-165-BT-4-A100 Item Dimensions D x W x H 6.77 D x 13 W x 8.5 H Compatible with Vehicle Type Motorhomes, RV, Travel Trailers, Trolling Motor, Van Manufacturer Warranty Description 5 Years