This battery and charger kit includes a RB18L30 3.0Ah Lithium+ Battery and an RC18150 Fast Charger. The 3.0Ah battery is a powerful ONE+ battery providing you with more power, longer runtimes and better durability than previous lithium technologies. The supplied 5.0A charger is the most powerful ONE+ charger available and will charge the battery in just 45 minutes.