This battery and charger kit includes a RB18L15 1.5Ah Lithium+ Battery and an RC18120 2.0A Compact Charger. The 1.5Ah battery features the same LED fuel gauge as higher end ONE+ batteries, giving you a clear indicator of when to recharge the battery. The supplied 2.0A charger is a compact, lightweight charger which will charge the battery in just 45 minutes.