With an extremely long battery lifetime - delivering over 85% of it's original capacity after 1000 charges, and low running costs - typically less than 10% of the cost of using the equivalant petrol powered machine, the batteries are extremely efficient and cost effective. This is our 2.0Ah (86Wh) capacity battery. Recharge time is 90 minutes. There is also a larger 4.0Ah (173Wh) battery available (MBT4840Li). The battery charger is not included this can be purchased separately.