1. 11.1v lithium battery pack with long cycle life 2. Stable, safe, ... packs Key Specifications:Model: 18650 Lithium battery packs Voltage: 11.1V Rated capacity: 18000mAh Cycle lifespan: 500 times Charging voltage: 12 ... , Good consistency, low self discharge10, Light weight, small size 11.1V Lithium battery pack with capacity 24000mAh