iTEKIRO 800mAh Replacement Battery for HP LI40 Q6277A Q2232-80005 Photosmart R742 R742v R742xi Digital Cameras 800mAh higher capacity compared with original 710mAh Made with high quality cells for the best performance Integrated microchip prevents overcharging & lengthens the battery life Lithium Ion chemistry type has no "memory effect" Backed by 30 days money back guarantee and 1 year replacement warranty