Kastar Slim USB Charger:
1. Kastar ultra slim USB charger, new smart design, easy to carry.
2. The Charger Input: 5V 1A~2A; Output: 4.2V 600mA.
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 Brand Battery:
1. Kastar brand replacement battery. Long lasting and manufacture price.
2. Battery Type: Lithium-Ion; Battery Voltage: 3.85V; Battery Capacity: 1680mAh.
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!