Synergy Digital Power Tool Battery, Compatible with Dremel MultiPro 7700-02 Power Tool, (Ni-MH, 7.2V, 2000mAh) Ultra High Capacity, Replacement for Dremel 757-01 Battery - Walmart.com
Creabest 2Packs 7.2V 3.5Ah Ni-MH Battery for Dremel MultiPro Cordless Rotary Tool Models Dremel 7700-01 7700-02 757-01 with One Charger - - Amazon.com
Bonacell NI MH 3000mAh 7.2V Replacement Battery For Dremel 757 01 7700 01 7700 02 7.2 Volt MultiPro Cordless Tool Battery New|Rechargeable Batteries| - AliExpress
Shentec 2-Pack 2500mAh 7.2V Dremel 757-01 Replacement Battery for Dremel 7700-01 and Dremel 7700-02, Dremel 7.2 volt Battery (Ni-MH)
Powerextra 7.2 Volt 2000mAh Battery Compatible with Dremel MultiPro Cordless Rotary Tool Models Dremel 7700-01 and Dremel 7700-02 Replace for Dremel 757-01(Do not fit Dremel 770 Type 1, 770T2, 7300) - - Amazon.com