The 4S 30A 18650 Li-ion Lithium Battery Protection Module is designed to manage and protect 4-series lithium battery packs operating between 14.8V and 16.8V. It provides stable charging and discharging control for high-current applications, ensuring safe operation by preventing overcharge, over-discharge, overcurrent, and short-circuit conditions. With a 30A discharge capacity and included balance cable, this BMS is suitable for DIY battery packs, power tools, e-bikes, and portable energy storage systems.

Features:

1. Supports 4-series (4S) Li-ion / LiPo battery packs
2. Charge voltage range: 14.8V–16.8V
3. Continuous discharge current up to 30A
4. Overcharge, over-discharge, overcurrent, and short-circuit protection
5. Balanced charging to maintain uniform cell voltage
6. Includes balance cable for easy installation
7. Ideal for high-power DIY lithium battery packs

Specifications:

• Battery Type: 18650 Li-ion / LiPo (4S)
• Nominal Voltage: 14.8V
• Full Charge Voltage: 16.8V
• Continuous Discharge Current: 30A
• Charge Current: Standard compatibility (varies by charger)
• Balance Function: Yes
• Protection Features: Overcharge, Over-discharge, Overcurrent, Short-circuit
• Board Type: 4S Lithium Battery Protection BMS

Package Includes:

1 × 4S 30A 18650 Li-ion Lithium Battery Protection Board

1 × Balance Cable