Replacement battery fits 10 GPToys compatible models. Specifications: 680mAh, 9.6V, LiFePO4. Compatible with: Foxx 9115, Foxx 9116, Foxx S911, Foxx S912, Foxx Hosim S911, Foxx Hosim S912 and 4 more compatible models. Replaces: GPToys 16500-3S1P. GPToys replacement battery designed for Cars devices. Built to OEM specifications for reliable performance.