... ,1100mah 1800mah 2000mah, 2200mah, 2400mah, 2600mah. Usage / Application :Backup power , Tracking system prodcut , Portable DVD , GPS, Electronic Power tools , Aviation Model, Garden ... 1800mah, 2000mah, 2200mah, 2400mah, 2600mah etc.Usage / Application :Backup power , Tracking system prodcut , Portable DVD , GPS, Electronic Power tools , Aviation Model, Garden ...