MaximalPower, Sold and Shipped by Amazon Direct, do not buy from any other 3rd party Sellers as products may be counterfeit. The Amazon.com is the only legal distributor for maximalpower. Maximalpower DN CAN BP-511 1800mah Lithium-Ion battery forCanon EOS 5D, 50D, 40D, 20D, 30D, 10D, Digital Rebel, 1D, D60, 300D, D30, Kiss, Powershot G5, Pro 1, G2, G3, G6, G1, Pro90 is, Optura 20, Xi, 10, PI, 200MC, 100MC. Made with Info-Chip, Fully Decoded, Use same as original. Shows time on LCD and charges. Maximalpower is trusted for its true capacities and high reliability, we back our products for 3 years warranty and 1 million us dollar liability insurance.