Features 1.. Adopt intelligent lithium cell management IC for fast and safe charging. 2.This BMS board has no balance charging function. 3.Provide a variety of protection functions including overcharge, overdischarge, short circuit, and temperature protection. 4.Equipped with thickened aluminum fin to achieve quick heat dissipation. 5.This product has gone through load and aging test for quality assurance. Specification Features: 1. Adopt intelligent lithium cell management IC for fast and safe charging. 2. This BMS board has no balance charging function. 3. Provide a variety of protection functions including overcharge, overdischarge, short circuit, and temperature protection. 4. Equipped with thickened aluminum fin to achieve quick heat dissipation. 5. This product has gone through load and aging test for quality assurance. Specification: Discharge current: 30A Battery type: 3.7V lithium battery Weight: Approx. 46g / 1.6oz Package list: 1 x Lithium Battery Protection Board Note: The product only has a protective plate and does not contain other accessories. Other accessories need to be purchased by the customer. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. Package List