HEINE BETA®4 NT Rechargeable Handle X-007.99.396The Heine BETA4 NT Rechargeable handle is the next generation in energy management. Thanks to the Lithium Ion technology with no 'memory effect,' you can charge your handle how you like without having to worry about charge level or battery condition. Features High capacity more than double the capacity compared to previous NiMH rechargeable batteries! High quality metal construction for strength and durability Quick charge approximately 2 hours to