Amazon.com : Shentec 2-Pack 3.5Ah 7.2V High Capacity Replacement Battery Compatible with Dremel 757-01 Dremel 7700-01 Dremel 7700-02, Ni-MH(Not Fit for Dremel MultiPro 7700 Type 1, 770T2 and 73000 : Tools & Home Improvement
2Pack 7.2V 3.0Ah 757-01 Ni-MH Battery For Dremel 7700-01 7700-02 Not For 770 757 | eBay