Long-endurance battery 15Ah

I. Product Basic Information
- Model: HauHarn-15Ah Semi-solid-state Battery
- Type: Lithium-ion Battery (Li-ion)
- Cell: Enli XNP0150J, 4S1P matched configuration
- BMS: Finished battery does not include protection circuit
- Weight: Approx. 600 ± 15g
- RoHS Compliant

II. Core Electrical Parameters
- Nominal Capacity: 15.5Ah (0.33C discharge)
- Rated Capacity: 15Ah (0.33C discharge)
- Energy: 208.8Wh
- Nominal Voltage: 13.92V
- Factory Voltage: 14.08V ~ 15.2V (within 10 days of shipment)
- Charge Voltage: 17V
- Standard Charge Current: 4.95A (0.33C)
- Max Charge Current: 15A (1C)
- Standard Discharge Current: 4.95A (0.33C)
- Max Discharge Current: 30A (3C constant current discharge to 10V; pulse 50A for 30 seconds)
- Discharge Cut-off Voltage: 10.0V
- Single Cell Internal Resistance: ≤ 3mΩ (measured at 30% SOC)
- Finished Battery Internal Resistance: ≤ 45mΩ (measured at 30% SOC)

III. Temperature Parameters
- Charge Operating Temperature: 0°C ~ +45°C
- Discharge Operating Temperature: -20°C ~ +60°C
- Storage Temperature (within 1 month): -20°C ~ +45°C
- Storage Temperature (within 6 months): -10°C ~ +35°C
- Long-term Storage Temperature (over 3 months): 25 ± 3°C, humidity ≤ 85%RH
- Storage Voltage: 13.6V ~ 14.8V

IV. Connectors & Wiring
- Main Circuit Output Connector: XT60H-F.G.Y female, gold-plated, yellow, 14# silicone wire (UL3239), with heat-shrink solder type, wire length 130mm (excluding connector)
- Balance Wire Connector: XH2.54 male + AB clip, 22# wire (UL3239), wire length 50mm (excluding connector)
- Main Wire Polarity: Red = positive, Black = negative
- Balance Wire Color Definition: Red = B+, Green = B3, Yellow = B2, Blue = B1, Black = B-

V. Standard Charging Method
- Ambient temperature 25 ± 3°C
- Charge at 4950mA constant current to 17V (CC-CV mode)
- Then charge at 17V constant voltage until current drops to 300mA, then terminate
- Total charging time not to exceed 6.5 hours

VI. General Performance Specifications

1. **Discharge Performance**
- After standard charging, rest for 0.5h, discharge at 4.95A to 10V
- Required discharge time ≥ 180 minutes

2. **Cycle Life**
- At 25 ± 3°C, charge at 15A constant current to 17V, then constant voltage charge until current drops to 300mA, rest for 15 minutes, discharge at 30A constant current to 10V, rest for 30 minutes
- One charge-discharge cycle = one cycle
- After 300 cycles, discharge capacity ≥ 80% of initial capacity

3. **Charge Retention**
- After full charge, place at 25 ± 3°C in open-circuit condition for 28 days
- Remaining capacity ≥ 85% of nominal capacity
- Recovery capacity ≥ 90% of nominal capacity