Amazon.com: Synergy Digital Laptop Battery, Compatible with Acer Swift 3 SF314-41-R4HW Laptop, (Li-Pol, 15.2V, 3000 mAh) Ultra High Capacity Battery : Electronics
Amazon.com: DR. BATTERY 916-3020 4UR18650F-1-QC192 Laptop Battery for Acer Aspire 5510 Series 5000 Series 3000 Series 3500 Series 1680 Series 1650 Series 1640 Series TravelMate 4000 Series [14.8V / 65Wh] : Electronics
Amazon.com: DR. BATTERY 916-3020 4UR18650F-1-QC192 Laptop Battery for Acer Aspire 5510 Series 5000 Series 3000 Series 3500 Series 1680 Series 1650 Series 1640 Series TravelMate 4000 Series [14.8V / 65Wh] : Electronics