Feature: 1. Suitable for dozens of lithium‑ion batteries such as ternary batteries, manganese batteries, cobalt acid batteries, etc. 2. Equipped with balance function to ensure that each battery cell is fully charged at the same time. 3. Neat wiring, avoid right‑angle lines and curved edges, strong anti signal distortion and cross interference ability. 4. Wiring identification is clear and easy to understand, can avoid misconnection. 5. Provide a variety of stable charging overcharge, overdischarge, overcurrent, short circuit protection and other discharge protection functions. Specification: Item Type: Protection Board Material: PCB Model: 17 series Purpose: Lithium battery protection board Project 17 series with the same mouth 40A Cell type Ternary Overcharge voltage 4.25V Over discharge voltage 2.75V Charge balance Have Discharge current <40A Recharging current <15A Note V+, K, V- can be connected to weak current switch, temperature control, GPS module . Package List: 1 x Protection Board2 x Cable Note: 1.Please install under professional guidance2.Before installing the protection board, the battery must be matched3.The better the battery consistency, the farther the running distance, the best performance of the protection board