Replacement battery fits 11 Bobsweep compatible models. Specifications: 2600mAh, 14.4V, Li-ion. Compatible with: Bob PetHair Slam, PapaGo M504, UPCAN R1, Media R1, Media R3-L101C, SLP231122 and 5 more compatible models. Replaces: PapaGo INR18650-B4-2600, Media INR18650-4S1P. Bobsweep replacement battery designed for Vacuum devices. A precise, secure fit you can rely on.