Product Features: Sub C SC Rechargeable Battery 【High Quality Cell Sub C】 EBL High-Performance Sub C battery provides more power and vacuum than the it ever had before. 【Flat-top design with tabs】 Easy soldering, Free combination used these to build a new pack using the connector piece from the old battery pack. Rebuilt exact Voltage for you and your device. 【600 Times Cycle Sub C Cell】EBL Procycle Technology with high capacity nicd sub c batteries, provide long lasting use time per charge 【Ultra fit for High Drain Device】Compatible with high drain electronics,such as power tools, cordless drill, emergency lights and survival portable devices. 1. Pro-environment. 2. Superior performance under low temperature condition. 3. Huge capacity(2300mAh) to ensure your device to work longer 4. Great for high power demend devices Product Specifications: Rechargeable Battery 1. Type: SC / Sub C 2. Capacity: 23000 mAh 3. voltage: 1.2V 4. material: Ni-CD 5.Battery size: 4.2*2.1*2.1cm Package Included: Choose your need