Compatible Models:Acer Chromebook 11 C730 13 C810 15 C910 CB3-111 CB5-311 CB5-571 CB3-531Compatible Models: Acer Aspire ES1-111 ES1-111M ES1-311 ES1-411 ES1-421 ES1-431 ES1-520 ES1-521 ES1-523 ES1-531 ES1-572 ES1-711 ES1-711GCompatible Models:Acer Aspire E3-111 E3-112 E3-112M E5-721 E5-731 E5-731G E5-771 E5-771GCompatible Models:Acer Aspire R13 R3-131T R3-471TG R5-471T R5-571T R7-371T R7-372TCompatible Models:Acer Aspire 5 A515-41G A515-51G A515-52 A515-52G A517-51 A517-51G A517-51GP A517-51PCompatible Models:Acer Aspire 6 A615-51GCompatible Models:Acer Aspire 7 A715-71G A715-72G A717-71G A717-72GCompatible Models:Acer Nitro 5 AN515-51 AN515-52 AN515-53Compatible Models:Acer Nitro 5 Spin NP515-51Compatible Models:Acer Aspire V13 V3-111 V3-111P V3-112 V3-112P V3-371 V3-372 V5-122 V5-122P V5-132 V5-132PCompatible Models:Acer Extensa 2540 2540-30GR 2540-3479 2540-35BB 2540-36RU 2540-530F 2540-543E 2540-56GC 2540-580K 2540-59C1Compatible Models:Acer Predator Helios 300 G3 G3-571 G3-572 PH315-51 PH317-51 PH317-52Compatible Models:Acer Swift 3 SF313-51 SF314-54 SF314-54G SF314-52 SF314-52G SF314-55 SF314-55G SF315-41 SF315-41G SF315-51 SF315-51GCompatible Models:Acer Spin 1 SP111-31 Spin 3 SP315-51 Spin 5 SP513-51 SP515-51NCompatible Models:Acer TravelMate TMB 115-M TMB118-G2 TMB118-M TMB118-R TMP238-G2 TMP276-MG TMX349-G2 B115-M B115-MP B118-R P236-M P238-G2 P2410-G2-M P2510-G2-M X3 X349-M X349-G2 P276-MG P449-G2-MCompatible Models:Acer Predator Helios 300 PH317-52 PH317-52-75HX PH317-52-75L8 PH317-52-77A4 PH317-52-74KR PH317-52-720X PH317-52-53KY PH317-52-78BR PH317-52-56Y5 PH317-52-77C0 PH317-52-70BW PH317-52-54U1 PH317-52-550Y PH317-52-787S PH317-52-77H4 PH317-52-77XS PH317-52-704L PH317-52-77YY PH317-52-7599 PH317-52-74CH PH317-52-75DH PH317-52-727Q PH317-52-78X3 PH317-52-757Y PH317-52-75S2 PH317-52-76AU PH317-52-787W PH317-52-72FC PH317-52-77LX PH317-52-516G PH317-52-726Z PH317-52-720Y Disconnect the connection between the old battery and the motherboard to avoid unnecessary damage caused by disassembling the battery. Then unscrew the old battery screws one by one and carefully save each. Remove the old battery, carefully install the new battery on the battery case, and connect the wiring of the new battery. If you don't understand the above steps, you can search for the video about laptop battery installation on YouTube. Maybe it will help you.
Install A New Battery: