Features: Ensuring battery performances with our 3S 25A 12V 18650 Lithium Battery Protective Board, balance charging and extend the lifes of your batteries by maintaining across cells. Featuring over charge Protective (4.25-4.35v±0.05V), working current of 25A, and safeguards against over discharge, over current, and short circuits, this board enhances lithium battery efficiency. Ideal for enthusiasts and DIY electronics hobbyists who require reliable power management solution for their projects involving lithium batteries. Perfect for use in various electronic applications such as electric vehicles, power tool, and portable devices where consistent and safe battery operation Remember to follow the wiring strictly to prevent short circuits and ensuring integration into your setups. Specifications: Component:Circuit Board Ranges: 4.25-4.35V±0.05V Working current: 0-25A Current: less than 30uA Size:Approx.56x45mm/2.2x1.77inch Package Includes: 1Pc Circuit Board note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.