Replacement battery fits 11 Lenovo compatible models. Specifications: 3100mAh, 3.85V, Li-ion. Compatible with: K920, ZUK Z2 Pro, ZUK Z2 Pro Ultimate Edition, ZUK Z2 Pro Ultimate Edition TD-LTE Dual SIM, Z2 Pro Exclusive Edition, Z2 Pro Exclusive Edition TD-LTE Dual SIM and 5 more compatible models. Replaces: Lenovo BL263, ZUK BL263. Lenovo replacement battery designed for Mobile/SmartPhone devi…