I needed a 12 volt power supply for my project the sstc solid state tesla coil and also made this instructable because it might be use full to someone. Guangzhou longchuang electronic technology co ltd was established in 2009.

18w 12v 1 5a Non Ip Rated Constant Voltage Led Lighting Power
12v constant power supply. Ac input 110v220v15 dc output 12v3a max handle power 36w protections overloadover voltageshort circuit shell material metal working temperature 040 storage temperature 2060 type power supply brand unbrandedgeneric mpn ed4894669359700 upc does not apply. Well you can make a 12 volt power supply very cheaply and easily. Includes a pv remote and 25 feet cable. The circuit needs to be designed in a way that it should be void of any fluctuations or ripples. Super compact lightweight metal case design is among the. The circuit will input supply from main ac supplies and will convert it to a ripple free 12v dc supply.
Its basically takes an input of 14 20v ac or dc and outputs a constant voltage of 12v. Conversely the output of an unregulated power supply can change significantly when its input voltage or load current changesadjustable power supplies allow the output voltage or current to be programmed by mechanical controls eg knobs on the power. Led driver constant voltage power supply 5v 12v 24v 200w. In this project a constant 12v power supply circuit is designed with an aim to power led circuits. Ratchets and wrenches. It is specialized in researching developing producing and selling various series of ac dc switching power supply smps and led driver.
Positive power supply board. Power supplies are categorized in various ways including by functional features. We have strong technical strength and advanced production equipment and we own the import and export rights ourselves. Utilize your vehicles battery to efficient power office equipment on the road or power tools at a work site. For example a regulated power supply is one that maintains constant output voltage or current despite variations in load current or input voltage. Our products have been exported to europe.
How to use a multimeter for beginners how to measure voltage resistance continuity and amps duration. It can supply a maximum of 1a of current at 12v. How to find a 12 volt constant supply on a vehicle. The board comes with appropriate rectification filtering circuit a power indication led and mounting holes for easy mounting. 12vdc constant voltage led power supplies a variety of 12vdc power supplies capable of transforming a wide range of ac power input to 12vdc power output for usage with 12vdc led products only. Continuously supplies up to 3000 watts of 120 ac power to 4 ac gfci protected outlets from any 12v battery or automotive dc source.
With short circuit protection overload protection over voltage protection over current protection overheating protection also with a function of constant current and constant voltage.
Gallery of 12v Constant Power Supply

