2S Lithium Battery Charger Adapter 8.4V 1A

Description

2S Lithium Battery Charger Adapter 8.4V 1A

Key Specifications:

1. Basic Parameters

• Output Voltage: 8.4VDC (±0.1V)
• Output Current: 1A (1000mA)
• Charging Method: CC/CV (Constant Current → Constant Voltage)
• Compatible Batteries:
  • 2S Li-ion (7.4V nominal)
  • 2S LiPo (7.4V nominal)
• Charge Termination: Auto-cutoff at 4.2V/cell (8.4V total)

2. Protection Features

• Overcharge Protection: Stops at 8.4V (±1%)
• Short-Circuit Protection: Auto-recovery
• Overcurrent Protection: Limits to 1.2-1.5A

3. Input & Connectors

• Input Voltage: 100-240VAC (50/60Hz)
• Plug Type: DC 5.5×2.1mm barrel jack

4. Charging Indicators

• LED Status:
  • Red: Charging
  • Green: Fully charged

5. Physical Specifications

• Size: ~60×40×25mm (wall adapter type)
• Weight: ~80-100g
• Cable Length: ~1-1.5m

6. Efficiency & Compliance

• Efficiency: ≥80%
• Certifications: CE/RoHS (varies by manufacturer)

7. Common Use Cases

• 2S drone/RC car batteries
• DIY 18650 battery packs
• Small robot power systems

Important Notes

⚠ Do not charge damaged/swollen batteries
⚠ Charge in fireproof area
⚠ Match connector polarity (reverse connection may damage battery)