Amazon.com: 9V Lithium Battery, High Capacity 1300mAh,with 2 in 1 USB Charging Cable, (2023 New Version)Rechargeable 9 Volt Square Batteries for Smoke Detector/Alarms,Metal Detector,Multimeter(4 Count 9V) : Health & Household
Amazon.com: Kratax 9v Rechargeable Batteries 850mAh High Capacity 9volt 6F22 Lithium-ion Battery, 8.7V, 1000 Cycles, for Smoke Alarms, Guitar, Walkie Talkies, Toy Remotes, Microphones (Charger not Included) : Health & Household