iTEKIRO 1000mAh Replacement Battery for Pentax D-LI92 Optio I-10 RZ10 RZ18 WG-1 X70 Megazoom Digital Cameras 900mAh high capacity Made with high quality cells for the best performance The battery's integrated microchip prevents overcharging & lengthens battery life Lithium Ion chemistry type has no "memory effect" Backed by 30 days money back guarantee and 1 year replacement warranty