5S 20A 21V Lithium Battery Protection Board Lithium Wrench Power Tool Protection Board

VOKTTA. 1. Adapt to 21V lithium battery pack, perfect match for lithium wrench and other power tools. 2. Continuous 8-20A continuous discharge, to meet the needs of high-power power tools. 3. Over-charge, over-discharge, short-circuit, over-current, temperature and other comprehensive protection, safer to use 4.40 85 wide temperature work, shockproof and dustproof, adapt to the harsh environment. 5. Selection of high-quality materials, stable performance, quality assurance. Features: 1. Adapt to 21V lithium battery pack, perfect match for lithium wrench and other power tools. 2. Continuous 8-20A continuous discharge, to meet the needs of high-power power tools. 3. Over-charge, over-discharge, short-circuit, over-current, temperature and other comprehensive protection, safer to use 4.40 85 wide temperature work, shockproof and dustproof, adapt to the harsh environment. 5. Selection of high-quality materials, stable performance, quality assurance. Parameter: Charging voltage: 21V. Single