Dremel MultiPro Cordless Model 770 Type 1 - Battery Pack Repair
DO NOT TOSS your Dremel Model 770 Type 1 tool just because the nicad battery pack has failed! You can replace the nicads with new ones! Even 'tho the pack is no longer available from Dremel and battery technology makes you want a tool with lithium batteries do not toss this tool. The light weight and easy-to-handle features of this Dremel tool have not been replaced by newer tool models.When I queried the Dremel tech support team they advised to not attempt a self-repair. But, a little help from a related Instructables allowed me to open the battery pack. Replacement of the batteries then became obvious.Resist the temptation to vary from nicad cells since the Dremel Charger No. 758 that came with the tool is designed for nicads only.