【Specifications】 Type: Li-ion / Voltage: 15.4V / Capacity: 57.48Wh 【Replacement Part Number】AP18E8M 4ICP4/69/90 4ICP4/70/88 KT.00407.009 KT00407009 【Compatible with Laptop Models】Acer Nitro 5 AN515-43 AN515-44 AN515-45 AN515-52 AN515-54 AN515-55 AN517-51 AN517-51-56YW AN517-51-784H AN517-52 AN517-52-52T3 AN517-52-59RD, Nitro 7 AN715-51 AN715-51-73BU, Aspire 7 A715-74 A715-74G A715-74G-71WS, Predator Helios 300 PH315-52 PH315-53 PH317-53,Predator Triton 300 PT315-51,ConceptD 3 Pro CN315-71P,ConceptD 5 Pro CN515-71 CN515-71P Series Laptop. 【Security and Stable Quality】 12 months' warranty；30-day money back guarantee. CE certified and strictly test to ensure both safety and stability. 【Purchasing Note】Before you place the order, please check and confirm your laptop model, original battery model and appearance, compared with our battery image, make sure that's what you need. Especially the location of the connector and the cable length (long or short).