Amazon has this STK LP-E10 1,600mAh Battery for Canon Cameras for $14.99 after instant savings. Use the promo code at checkout and the battery is free. Shipping is free for Prime members or with orders of $49 or more. This battery is compatible with Canon Rebel T5, T3, EOS 1200D, 1100D, Kiss X70, and X50A cameras. A similar battery is selling for $10.99 at Groupon. This deal is available for a limited time.