EZ-HND-2600 3.5v Handle
Features of the Rechargeable Handle Type Lithium 

▪ Lithium ion battery technology that has no "memory" effect
▪ Half the weight of traditional handles, fits more comfortably in your hand
▪ Fits all 3.5 V Instruments heads
▪ The handle provides continuously adjustable brightness
▪ Made of sturdy CYCOLOY engineering resin
▪ 120 minutes of on-time (compared to 60 minutes for standard NiCad handles