Dc 9v 300ma power adapters in comparison

12V Power Supply - This AC DC adapter can apply to most appliances, which the efficient voltage is from 3V to 12V. (It is not recommended to charge the battery)

Tip negative, sleeve positive. Barrel Connector 5.5mm x 2.1mm.

DOES NOT Fit Effects Pedals, Drum, DJ controller, Piano keyboards, Label makers and other equipment with power ports of negative-tip (Center Negative). Not applicable for devices that withstand minimal electromagnetic interference, such as radio set

Universal Compatibility The AC to DC 9V 1A power adapter is designed to work with a wide range of devices, ensuring compatibility and convenience.

Input voltage 100v-240v, it can be used in most countries.

Product Specifications Input 110V - 240V Output 9V 2A Cable Length 1.5m

Certified Safe With the latest generation of smart chips; no fire hazard, low-temperature operation, stable output. Automatic overload cut-off, over-voltage cut-off, over-temperature cut-off, short circuit protection.

Smart and Professional IC chip for noise reduction and isolation safe protection performance.

Specifications DC charger cable (1M) + 10 kinds of conversion plugs (Type-C, Micro USB, 5.5 2.5mm, 5.5 1.7mm, 4.8 1.7mm, 4.0 1.7mm, 3.5 1.35mm, 3.0 1.1mm, 2.5 0.7mm, Square DC)

Brand New, High Quality Replacement AC Wall Power Supply Adapter Charger, not original but 100% compatible

Compatibility 9V 1A switching DC power cord 9W max universal power AC-DC adapter, works for the extensive equipment, which fits for 9v less than 1A power adapter, such as 9V 1000mA, 950mA, 900mA, 850mA, 800mA, 750mA, 700mA, 650mA, 600mA, 550mA, 500mA, 450mA, 400mA, 350mA, 300mA, 250mA, 200mA, 150mA, 100mA, 1A, 0.9A, 0.8A, 0.7A, 0.6A, 0.5A, 0.4A, 0.3A, 0.2A, 0.1A electronic devices

9v 1.33a 12w power supply