2 Progo Replacement Batteries For Canon LP-E8 LPE8 For The Canon Rebel T3i T2i 550D Digital Camera. Progo Brand Battery, 100% Compatible with original manufacturer equipments, guaranteed! Integrated microchip prevents overcharging, overheat & provide short circuit protection. High quality Li-Ion battery cell. 7.2 v, 1200 mAh Capacity Absolutely no memory effect so that you can charge battery at anytime 12 months manufacturer warranty