Voltage: 7.4V 

Nominal capacity: 4400mAh

Color: black 

Rechargeable: supported

Warranty: one year 

Certification: CE RoHS 

Available for: Leica survey instrument 

High durability, high quality, adopting superior quality cell with safe value

Extra long usage lifespan with 1000 times circle of charge and discharge

Using superior quality cell, high durability with extra power

Low self-discharge, longer service lifespan

No memory effect, environment-friendly