1,authentically Intelligent charging manage(CC then CV) 2,Hight efficiency switch power supply design 3,Multiple protection Input:AC 100~240VOutput:14.4V/5Asuit battery:12.8V/ 5-60Ahcharger model:cc then cvcharger indicator: Bi-color LEDProtections: Short-circuit, reverse polarity …safety:CE approvedsize:about 82*51*28mm