Features:
Large capacity of 900mAh.
Able to supply enough and stable power， about 1350 puffs per full capacity.
Durable li-polymer battery can be recharged about 300 times.
Manual power on and off with one button.
LED light indicating the charging state and power-on.

Specifications:
Material: Stainless steel
Color: White/Yellow/Purple
Capacity: 900mAh
Puffs per full capacity: 1350
Circle time of battery: 300 times
Charging time: 2-3 hours
Input voltage: 4.2V; output voltage: 3.0-4.0V
Product size: 8.7 * 1.4cm / 3.4 * 0.6in (H * D)
Product weight: 32g / 1.1oz

Package included:
1 * ECHO-D Rechargeable E-cigarette Battery 900mAh