Opteka LP-E5 1800mAh Ultra High Capacity Li-ion Battery Pack for Canon Digital Rebel XS, XSi, & T1i Digital SLR Camera
The Opteka LP-E5 rechargeable lithium-ion 1800mAh battery is a replacement for replacement for Opteka LP-E5. It features lithium technology, which ensures maximum battery life and maximum power. It also features no memory effect that lets you recharge partially drained batteries without reducing performance.