Looks like a good battery for your canon camera from a well known brand.
Info from site:
Energizer digital camera batteries offer the long life and consistently reliable performance you need to get the most out of your digital camera, thanks to advanced engineering and state-of-the-art manufacturing.
Quality - Energizer digital camera batteries meet or exceed original standards at a lower cost.
Unsurpassed Warranty - A 3 year warranty on your Energizer battery.
This Battery is Compatible With:
Canon EOS 1000D, Canon EOS 450D, Canon EOS 500D, Canon EOS Kiss F, Canon EOS Kiss X2, Canon EOS Kiss X3, Canon EOS Rebel T1i, Canon EOS Rebel Xsi
Warranty: 3 Year Free Replacement
Weight: 0.50 lbs.
Please Note - This battery may come in a white box rather than the full retail packaging, this is to save on cost so we can offer the item to you cheaper. We can assure you that this is still a 100% genuine Energizer battery.