Specification: _x005f_x000D_ Origin: Mainland China _x005f_x000D_ Type: Module _x005f_x000D_ Condition: New _x005f_x000D_ Upper limit working current: 8A _x005f_x000D_ Upper limit instantaneous current: 40A±5A _x005f_x000D_ Overcharge voltage range: 4.25±0.05V _x005f_x000D_ Over-discharge voltage range: 2.5±0.5V _x005f_x000D_ Charging voltage: 12.6-13V _x005f_x000D_ Self-consumption current: less than 30uA _x005f_x000D_ Basic functions: Anti-overcharge, over-discharge, short circuit, over-current protection _x005f_x000D_ Size: 36*33*12MM/1.42x1.3x0.47inch _x005f_x000D_ Weight: 8g _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Note: _x005f_x000D_ Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! _x005f_x000D_ Please allow 1-2cm measuring deviation due to manual measurement. _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Included: _x005f_x000D_ 1 x Li-ion Lithium Battery Protection Board 1. Battery Protection Function: This li-ion lithium battery protection board features multiple protection functions such as overcharging, over-discharging, overcurrent, and short circuit protection. These mechanisms ensure the safe operation of lithium-ion batteries within a secure range. 2. Balancing Charge and Discharge Function: The lithium-ion battery protector plate is equipped with battery balancing charge and discharge functionality to maintain voltage balance for each individual battery cell during the charging and discharging process. This helps improve overall performance and lifespan of the battery pack. 3. Compatibility and Ease of Use: Designed to be compatible with various brands and models of lithium-ion batteries, this 18650 power bank balancer can easily connect using terminal pins or connectors. It can be widely used in different application scenarios. 4. High Reliability: The protection board utilizes high-quality components and design, providing stable and reliable performance while ensuring battery safety. 5. Simplified Design: By utilizing a BMS (Battery Management System) battery equalizer board that already integrates the necessary protection functions, users can simplify power system design and wiring, reducing complexity and fully harnessing the potential of lithium-ion batteries.