Deep Cycle Lithium Battery – 12V 100Ah Group 31

The 12V 100Ah Group 31 Deep Cycle Lithium Battery delivers exceptional power, long life, and reliable performance for marine, RV, solar, and off-grid applications. Built with LiFePO4 technology, it offers superior cycle life, lightweight construction, and consistent voltage output. Perfect for demanding environments, it provides dependable energy storage with minimal maintenance requirements.

KEY FEATURES

• Lightweight design for easier handling and installation
• Long cycle life with up to 10 times more cycles than lead-acid batteries
• Consistent voltage output for stable power delivery
• Built-in Battery Management System (BMS) for safety and performance
• Maintenance-free operation for hassle-free energy storage
• Fast charging capabilities to reduce downtime
• Wide temperature tolerance for diverse applications
• Vibration and shock-resistant construction for durability
• Eco-friendly LiFePO4 chemistry with no hazardous 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

• Series connection: Up to 6 batteries

Discharge Specifications

• Max continuous discharge current: 100A
• Peak discharge current: 200A (7.5 ±2.5 s)
• Over-current protection: 280A ±50A (9 ±4 ms)
• Low voltage disconnect: 11.0V
• Under-voltage protection: 8.0V (140 ±60 ms)
• Reconnect voltage: 9.2V
• Short-circuit response time: 200–600 μs

Charge Specifications

• Recommended charge current: 5A – 50A
• Max continuous charge current: 100A
• Max charge current @ 14–32°F (-10 to 0°C): ≤ 10A
• Max charge current @ -4–14°F (-20 to -10°C): ≤ 5A
• Recommended charge voltage: 14.2V – 14.6V
• BMS voltage cut-off: 15.6V
• Reconnect voltage: 15.2V
• Balancing voltage: 14.4V

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: 176°F (80°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: 26.4 lbs (11.98 kg)
• Terminal type: M8 x 1.25
• Terminal torque: 80–100 in-lbs (9–11 N·m)
• Case material: ABS
• Waterproof rating: IP67
• Cell type: Cylindrical LiFePO4

Compliance & Certifications

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

Manuals and Downloads

• Datasheet
• Warranty