AP18E7M AP18E8M. For Acer Predator Helios 300 PH315-52 PH317-53 Aspire 7 A715-74G Nitro 5 AN515-54 AN517-51 Nitro 7 AN715-51. Battery Type: Li-ion. 1.Li-Ion Laptop Battery 10.8V and 11.1V are in common use.
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