General Specifications

• Model: BA50-8
• Nominal Voltage: 10.8 V
• Operating Voltage Range: 7.5V - 12.6 V
• Nominal Capacity: 20.0 Ah (at 25°C)
• Nominal Energy: 216 Wh (at 25°C)
• Cycle Life: Up to 6000 cycles at 80% DOD (at 25°C, 0.33C)

Discharge & Charge Parameters

• Max Continuous Discharge: 20.0A (1C)
• Peak Discharge Current (10s): 40.0A (2C)
• End of Discharge Voltage: 7.5V
• Charge Method: Constant Current, Constant Voltage (CC/CV)
• Charge Voltage: 12.6 V - 13.6V
• Recommended Charge Current: 6.6A (0.33C)

Environmental & Physical

• Discharge Operating Temperature: -20°C to +60°C
• Charge Operating Temperature: +10°C to +60°C
• Storage Temperature: -20°C to 60°C
• Humidity: Maximum ≤95%
• Dimensions (L x W x H): 150 × 101 × 66 mm
• Weight: ~1025 g
• Self-Discharge Rate: ≤3% per month at 25°C

Protection & Configuration

• Integrated BMS: Includes over-voltage cut-off (12.75V) and internal short circuit protection.
• Connection Limits: A maximum of 4 batteries can be connected in series (to increase voltage), or up to 8 batteries in parallel (to increase capacity). Series and parallel combinations together are not recommended.

Safety & Handling

• Use only a compatible CC/CV lithium-ion charger.
• Do not submerge in water, expose to open flames, extreme temperatures, crush, or disassemble.
• Avoid overcharging or deep discharging beyond the rated limits.
• When not in use, store at 50% capacity in a cool, dry location (10°C to 30°C) and recharge every 3 months.

1. Datasheet - BATT 12,8V20 SCP