Battery Type: Lithium-ion, no memory effect, eco-friendly; Battery Voltage: 14.4V; Battery Capacity: 6800mAh 98Wh. Specification: Four-LED capacity indicator; Equipped with type B socket, the maximum out power is 100W; Equipped with USB port DC 5V/2.1A, can be directly used to charge the mobile phones, tablets and other electronic devices. Two D-tap Input / Output ports DC11~16.8V, which can be fast charged the battery and meet the power supply needs of a variety of devices. Kastar Dual D-Type Fast charger is perfect for charging any batteries with the D-Tap socket (Includes Canon BP-A100, Sony BP-U65 BP-U68 BP-U100 battery, V-Mount / V Lock battery and Anton Bauer Gold Mount battery with D-Tap input). Charger indication Green lights for standby or full-charge, Red is for charging. Build in MCU, automatically stop working when improper input voltage, short circuit or overheat, which can prevent the overcharge and overdischarge.