Electrical Specifications:

• Battery Type: LiFePO4 (Lithium Iron Phosphate)
• Nominal Voltage: 12.8V
• Capacity: 18Ah
• Total Energy:

230.4Wh (12.8V × 18Ah)

Cell Configuration:

• Configuration: 4S (4 cells in series)
• Cell Voltage: 3.2V each
• Recommended Cells: 32700 / 32650 / Prismatic LiFePO4
• Typical Pack Design: 4S3P or based on cell capacity

Charging Specifications:

• Full Charge Voltage: 14.6V
• Recommended Charge Current: 3A–9A
• Max Charge Current: 18A
• Charging Time: 2–6 hours (charger dependent)

Discharge Specifications:

• Standard Discharge Current: 9A–18A
• Max Continuous Discharge: 20A–30A (depends on BMS)
• Peak Discharge: 35A–40A
• Cutoff Voltage: 10V–11.2V

Smart BMS Protection:

• Overcharge protection
• Over-discharge protection
• Overcurrent protection
• Short circuit protection
• Cell balancing
• Temperature protection (optional)

Performance Features:

• Cycle Life: 2000–4000+ cycles
• Efficiency: 95%+
• Low self-discharge
• Maintenance free
• Lightweight & long life

Operating Temperature:

• Charging: 0°C to 45°C
• Discharging: -20°C to 60°C

Applications:

• Solar street lights
• Solar flood lights
• Semi integrated solar systems
• CCTV backup
• Portable power systems
• DC appliances
• Telecom backup

Typical Backup:

12W load:

230.4Wh ÷ 12W = ~19.2 hours

24W load:

~9.6 hours

50W load:

~4.6 hours

SHAGSUN OEM Recommendation:

Best for:

18W solar lighting systems

Website Display Version:

12.8V 18Ah LiFePO4 Battery Pack

Deep Cycle • High Backup • Smart BMS • Solar Compatible

Premium Sales Line:

“Reliable 12.8V 18Ah LiFePO4 battery pack engineered for solar street lights, flood lights, and long-duration backup applications.”