Features: 1. Precise cuts and connectors ensure perfect fitting, suitable for mounting position and easy to install 2. The product uses high quality materials to effectively avoid corrosion and wear, and is durable. 3. Professional chip provides superior performance in the system 4. Easy to operate, anti-aging, and prolong service life 5. Overcharge protection, charging protection, over discharge protection, short circuit protection 6. Back heat sink with heat sink treatment to increase heat dissipation of MOS tube and extend the life of MOS tube 7. The battery is connected in series, as long as the cable connection is changed, it can be changed to a protection board with a lower number of strings. It is flexible and light. 8. 25A double-sided aluminum sheet with equalization function, with temperature control protection, waterproof gas, anti-static, anti-interference and stable quality Specification: Condition: 100% Brand new Item Type: Lithium Battery Protection Board Charging: 5A Discharge: 30A Applicable Batteries: ternary, cobalt acid, lithium acid, lithium iron Size: Approx. 6 x 3.5 x 1cm / 2.4 x 1.4 x 0.4in Package List: 1 x Lithium Battery Protection Board 1 x Line Package List 1Precise cuts and connectors ensure perfect fitting, suitable for mounting position and easy to install 2The product uses high quality materials to effectively avoid corrosion and wear, and is durable. 3Professional chip provides superior performance in the system 4Easy to operate, anti-aging, and prolong service life 5Overcharge protection, charging protection, over discharge protection, short circuit protection