Replacement battery fits 41 Acer compatible models. Specifications: 3850 mAh, 15.20V, Li-ion. Compatible with: TravelMate P614, TMP614-51-50AA, TMP614-51T-75AZ, TMP614-51G-78QW, TravelMate P614-51T-55UU, TMP614-51T-52WS and 35 more compatible models. Replaces: Acer AP18L4N. Acer replacement battery. Dependable performance you can count on.