Kastar Slim USB Dual Charger:
1. Kastar Slim USB Dual charger, can charge 2 batteries at the same time.
2. New design, easy to carry. The Charger Input: 5V 2A; Output: 4.2V 600mA*2.
3. LED indicate: Red light for charging; Green light for standby or full-charge.
4. Micro USB input, multiple charging option, come with a Micro USB cable.
Kastar High Capacity Battery:
1. Kastar brand replacement battery. Long lasting and manufacture price.
2. Battery Type: Lithium-Ion; Battery Voltage: 3.7V; Battery Capacity: 1700mAh.
3. We use high quality cell for longer battery life with no memory effect.
4. Use Integrated microchip which can prevent overcharge and over-discharge.
Thank you very much!