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.

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: 3.7V; Battery Capacity: 1800mAh.

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.