12V 100Ah Cold Weather Deep Cycle Lithium Battery – Group 31

The 12V 100Ah Group 31 Cold Weather Deep Cycle Lithium Battery is engineered for reliable performance even in freezing temperatures. Featuring an advanced low-temperature charging system, it automatically warms the battery before charging to protect cells and extend lifespan. Ideal for RVs, marine, off-grid, and solar applications, it delivers long cycle life, high efficiency, and maintenance-free operation.

KEY FEATURES

• Built-in cold weather charging technology for low-temperature protection
• Long cycle life with thousands of charge/discharge cycles
• Consistent power output for stable performance in all conditions
• Integrated Battery Management System (BMS) for safety and reliability
• Lightweight construction for easy transport and installation
• Maintenance-free design for hassle-free use
• High energy density for maximum runtime in compact size
• Shock and vibration resistant for rugged applications
• Eco-friendly LiFePO4 chemistry with no harmful materials

Specification 

Electrical Specifications

• Nominal voltage: 12.8V
• Capacity: 100Ah (240 min @ 25A)
• Energy: 1280Wh
• Resistance: ≤ 30 mΩ @ 50% SOC
• Efficiency: 99%
• Self-discharge: <3% per month
• Max batteries in series: Single-use only

Discharge Specifications

• Max continuous discharge current: 100A
• Peak discharge current: 200A (7.5 ± 2.5 s)
• Over-current protection: 280A ± 50A (32 ± 10 ms)
• Low voltage disconnect: 11.0V
• Under-voltage protection: 9.2V (4.7 ± 1 s)
• Reconnect voltage: 10.0V
• Short-circuit response time: 200–600 μs

Charge Specifications

• Recommended charge current: 5A – 50A
• Max continuous charge current: 100A
• Recommended charge voltage: 14.2V – 14.6V
• BMS charge cut-off voltage: 15.4V (1000 ± 200 ms)
• Reconnect voltage: 14.6V
• Balancing voltage: 14.4V

Heating Element Specifications

• Heating temperature range: -4°F to 41°F (-20°C to 5°C)
• Heating time: Approx. 1 hour @ 10A

Temperature Specifications

• Discharge temperature: -4°F to 140°F (-20°C to 60°C)
• Charge temperature: -4°F to 113°F (-20°C to 45°C)
• Storage temperature: 23°F to 95°F (-5°C to 35°C)
• BMS high-temp cut-off (discharge): 185°F (85°C)
• BMS high-temp cut-off (charge): 140°F (60°C)
• Reconnect temperature: 122°F (50°C)

Mechanical Specifications

• Dimensions (L x W x H): 13.0" x 6.8" x 8.4" (329 x 172 x 214 mm)
• Weight: 27.9 lbs (12.64 kg)
• Terminal type: M8 x 1.25
• Terminal torque: 80–100 in-lbs (9–11 N·m)
• Case material: ABS
• Enclosure protection: IP67 (waterproof)
• Cell type: Cylindrical LiFePO4

Compliance & Certifications

• UN38.3 (battery), CE & UKCA (battery)
• UL1642 (cells), IEC62133 (cells)
• Shipping classification: UN 3480, Class 9