ANSMANN C 4500mAh MaxE Rechargeable Batteries. This pack of 2 C 4500mAh MaxE Rechargeable Batteries merges the benefits of NiMH rechargeable batteries and disposable batteries in one cell. MaxE rechargeable batteries come pre-charged and retain the power for up to a year when not in use. Now you can charge your batteries when you want, and don't have to remember to top-up your cells just before you need them. These ANSMANN Precharged batteries with low self-discharge make them perfect for use with high consumption products. With the high capacity of the 4500mAh C type batteries, they are able to be charged with high charging current resulting in shorter charging time. ANSMANN MaxE Low self-discharge NiMH comes with a 2-year warranty.