4S Lithium Battery Protection Board (14.4V-16.8V, 30A Max)

Key Features:

• Supports 4S Battery Packs: Compatible with 14.4V, 14.8V, and 16.8V lithium battery groups
• Automatic Recovery Feature: No need for charger activation, protection automatically resets when conditions normalize
• Comprehensive Protection: Includes overcharge, over-discharge, short circuit, and overcurrent protection
• High Current Handling: Supports 15A continuous (with heatsink) and 30A peak current
• Compact & Durable Design: 50mm × 22mm × 4mm, ideal for embedded battery management applications

Technical Specifications:

• Overcharge Protection: 4.25V ± 0.025V
• Overcharge Recovery: 4.15V ± 0.05V
• Over-Discharge Protection: 2.50V ± 0.08V
• Over-Discharge Recovery: 3.00V ± 0.1V
• Overcurrent Limit: 20A-30A
• Continuous Working Current:
  • 10A (natural cooling)
  • 15A (with heatsink)
  • 30A (peak surge current)
• Operating Temperature: -40°C to +85°C
• Connection Method: Soldering Output
• Module Size: 50mm × 22mm × 4mm
• Weight: Lightweight design

Ideal for Battery Management Applications

This 4S lithium battery protection board ensures safe and efficient power management for high-performance battery packs. It is perfect for DIY battery projects, power tools, e-bikes, and other lithium-powered devices.

Why Choose This Protection Board?

✔ Automatic Recovery System – No need for manual activation or charger reset
✔ Comprehensive Battery Protection – Prevents overcharge, deep discharge, and short circuits
✔ High Current Capability – Supports up to 30A surge current for power-demanding applications