These are very slim, extremely light weight batteries based on the new Polymer Lithium Ion chemistry. This is the highest energy density currently in production. Each cells outputs a nominal 3.7V at 2000mAh! These cells come prepped with connection wires and require special charging. Do not attempt to charge these with anything but a specialized LIPION charger.

Features:

• 2C continuous discharge
• Excellent long-term self-discharge rates (<8% per month)
• Robust power source under extreme conditions (-25 to 60C)

Dimensions: 0.23x2.1x2.1" (5.8x54x54mm)

Weight: 36g (1.27oz)

Documents: UnionBattery-2000mAh.pdf