Power Plus 9v Battery High Quality Alkaline BatteryRechargeable Li Po Battery 3. 7V 1000mAh in Pakistan Lithium ion Battery more correctly lithium ion battery is a rechargeable battery of lithium ion technology using a polymer electrolyte instead of a liquid one. High conductivity semisolid (gel) polymers form this electrolyte. These batteries provide higher specific energy than other lithium battery types and are being used in applications where weight is a critical feature like tablet computers,

Efficient power consumption: Low idle current and adjustable power modes

7V 4600mAh Li-polymer Rechargeable Battery:

6 I/O pins

Longest communication distance 20 meters

Lower auxiliary cooling conditions

low light photography

Digital I/O Pins 11

compatible with 5V

and sometimes for other outputs and inputs

Overcurrent protection

compatible with more expansion boards:

Speaker Phones