STK's Canon BP-511A Battery - 2200 mAH for Canon EOS 5D, 50D, 40D, 20D, 30D, 10D, Digital Rebel, 1D, D60, 300D, D30, Kiss, Powershot G5, Pro 1, G2, G3, G6, G1, Pro90 is, cannon BP-511, Canon Optura 20, Xi, 10, PI, 200MC Canon BP-511A 2200mAh Battery Pack (POWWER Brand name) 100% OEM Compatible - Complies with or Exceeds OEM Canon BP-511A Battery specs Guaranteed to operate with your Canon BP-511A digital camera CE Safety Certification SterlingTek's Canon BP-511A Battery pack is warranted for 12 months