Replacement battery fits 18 ZTE compatible models. Specifications: 2000mAh, 3.7V, Li-ion. Compatible with: MF90, MF91, MF91D, MF90C, MF90C1, MF90S and 12 more compatible models. Replaces: ZTE Li3723T42P3h704572, ZTE Li3720T42P3h704572. ZTE replacement battery designed for Wireless Router devices. Designed for long-lasting power.