![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: 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](https://m.media-amazon.com/images/I/61+F+o7VCwL._AC_UF894,1000_QL80_.jpg)
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: LAMPVPATH (Pack of 2) 9v Battery Holder, 9 Volt Battery Holder with Switch, 9v Battery Case with Switch : Electronics Amazon.com: LAMPVPATH (Pack of 2) 9v Battery Holder, 9 Volt Battery Holder with Switch, 9v Battery Case with Switch : Electronics](https://m.media-amazon.com/images/I/519rW9l7pyL.jpg)
Amazon.com: LAMPVPATH (Pack of 2) 9v Battery Holder, 9 Volt Battery Holder with Switch, 9v Battery Case with Switch : Electronics
![Finally! 9V battery max current tested and compared - Motors, Mechanics, Power and CNC - Arduino Forum Finally! 9V battery max current tested and compared - Motors, Mechanics, Power and CNC - Arduino Forum](https://europe1.discourse-cdn.com/arduino/original/4X/8/7/2/87231ea6ef1d499799a0615fdc1e94733a19593b.jpeg)
Finally! 9V battery max current tested and compared - Motors, Mechanics, Power and CNC - Arduino Forum
![Can a 9 volt battery be turned into a dual rail power supply with this circuit? Also if a piece of gear is created with this power supply, could it safely interface Can a 9 volt battery be turned into a dual rail power supply with this circuit? Also if a piece of gear is created with this power supply, could it safely interface](https://preview.redd.it/can-a-9-volt-battery-be-turned-into-a-dual-rail-power-v0-0jxyisovnt4a1.png?auto=webp&s=6f0963c4261c40ad5b1d5cc6c7014392876731ca)
Can a 9 volt battery be turned into a dual rail power supply with this circuit? Also if a piece of gear is created with this power supply, could it safely interface
![voltage - Powering a 2 watt 6 ohm speaker with a 9V battery? - Electrical Engineering Stack Exchange voltage - Powering a 2 watt 6 ohm speaker with a 9V battery? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/IHinZ.png)
voltage - Powering a 2 watt 6 ohm speaker with a 9V battery? - Electrical Engineering Stack Exchange
![A simple 9 Volt 2 Amp Power supply Schematic Circuits: Transformerless Power Supply Circuit Schematic - Schematic Circuits Elektropage.com A simple 9 Volt 2 Amp Power supply Schematic Circuits: Transformerless Power Supply Circuit Schematic - Schematic Circuits Elektropage.com](https://www.elektropage.com/images/circuits/Power_supply_9v2a.gif)