Three unique designs lead the world !
A. Equipped with solar panel dedicated charging holes, providing solution for green charging (please look at the side hole).
B. Double assurance for security:
(a) Battery pack with protector which can prevent overcharge and over-discharge.
(b) Charging circuit with charging management IC can control the charge current and secure charging procedure.
C. SIX stages LED battery capacity indicator (normally only FOUR LED).
Battery pack material: Lithium-polymer (same as iPhone / iPad, extremely safe)
Battery capacity : 2,700mAh
Net Weight : 125 grams