Aa nimh battery charger including 4xaa 2500mah cells with a micro processor controlled fast charger you will be able to charge your batteries in no time what so ever readying you for your ride these batteries are rechargeable which in the long run will save you money and hope have specially sourced these batteries to provide the fastest charging and best performance with a charging and battery full indicator youll always see how much charge you have left and whether you will need to charg