The Keeler Lithium-ion mini charger can be connected quickly and simply to the base of your Keeler handle, making it the perfect choice for domiciliary visits or practitioners on the move. The Lithium-ion mini charger can fast charge in 2 hours and provide over 2 hours on continual use. The lithium-ion mini charger use LEDs to indicate when battery life is low, charging or fully charged and whilst instruments are charging they are still safe to use.