• Battery type: NI-MH, Voltage: 7.2-volt, Capacity: 3500mAh/3.5Ah. 100% compatible with the originals.
• Quick charge with original Ni-CD charger and power adapter, professional replacement 7.2v battery for dremel 757-01, compatible with Dremel tool models 7700-01 and 7700-02.(This battery not work for Dremel 770 Type 1).
• 3500mAh high capacity replace battery has 40% more run-time than standard batteries. Can be charged or discharged as needed by Ni-MH/Ni-Cd charger.
• Made of lead-free SMT process, high-quality SC cells(better than Ni-Cd battery), no memory effect, low self-discharge and eco-friendly.
• Batteries are CE, FCC, PSE, RoHS certified. Reach or exceed OEM product criterion. 100% brand new prefessional replacement battery successfully passed the test of over charge, over discharge, short circuit, high temperature, high humidity, internal overheating, 500 recharge cycles.