About CR2 battery:
Chemistry: LiFePO4 Lithium
Dimension: 27mmx15mm
Voltage: 3.0V
Good Quality
Durable

This battery is common use for Camera, Flashlights, Torch and other electronics devices

Product features:
High capacity 880mAh 3.0V CR2 lithium manganese battery
Nano sealing technology with high precision, PTC explosion-proof technology
Product features:
Low energy density is high
Low discharge voltage steady
When more than 5 years can be stored at room temperature
Low sealing good
Low temperature range of use: Minus 40 degrees
Application fields: this product is suitable for digital appliances such as digital camera, flash and video camera.