CALUS 25BI Replacement Li-ion Battery

Capacity: Offers a powerful 2500mAh battery capacity designed to restore long-lasting daily power to your phone. Battery Type: High-efficiency Rechargable Lithium-Ion (Li-ion) cell running at a standard 3.7V / 9.25Wh. Reliability & Peace of Mind: Comes stamped with a standout manufacturer-backed 600 Days Warranty badge on the retail package. Safety Engineering: Labeled as "Long Lasting, Safe, Efficient" with built-in protection against overcharging and short circuits. Compatibility: Built primarily for CALUS-brand heavy-duty feature phones and compatible "kitochi" models that utilize the BL-25BI battery standard.