10 Best
Variable Power Supplies
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Product Highlights- 【multi-protection, automatic cooling fan】our variable power supply has current limit protection, thermal protection, voltage overload protection, short circuit protection, etc. when the internal temperature of the dc power supply reaches 122℉/50℃, the fan of the power supply will automatically turn on, and when the temperature drops, the fan will automatically stop, whi...
- 【stable vertical design, lightweight】 variable bench power supply adopts stable vertical design, the rubber feet of shock absorber are at the bottom of dc power supply, which is safer and more stable when using. the size of dc power supply is 8.8' x 5.7' x 3.7', very light and small, you can easily carry dc power supply in and out of various workplaces.
- 【high precision lab power supplies】our dc power supply is equipped with 3 digital led display,5v/2a usb port, the adjustable range of this bench power supply is 0-30v and 0-10a. to prevent damage to the led screen, the dc power supply has a protective film on the display.
- 【widely applications】 dc power supply is less than 3 lbs, suitable for laboratory, school, maintenance, electrolysis, electroplating, brushing, lamp testing, aging test, battery charging, home diy, etc. 5v/2a usb port can be used to power cell phones or other electronic devices, very convenient.
- 【12 months warranty】 you can get 1 variable dc power supply, 1 set of output power cable, 1 input power cable, 1 user manual, and 12 months warranty with the purchase of dc power supply. if the dc power supply is damaged during the warranty period, we will provide warranty service. if you have any questions during use, you can contact us at any time and we will contact ...
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- ✅【【high quality with essential safety】safety is our priority. grounding wire, this bench power supply 30v 10a takes the function of limited flow protection, overpower protection, over temperature protection, voltage overload protection. greatly improving its working efficiency and lifespan!
- ✅【【compact and various application】this one weighs less than 2kgs and measures only 2.7*8.6*6.3inches, applies for cb radio power supply, lab power supply ，diy, electroplating kit，teaching supplies，work bench ，electronic projects ., aging test and other requirements thanks to complete test probes and output cable with alligator clips.
- ✅【【high precision with 4-digit and power display】longwei 30v 10a dc benchtop power supply is a professional power supply regulation device that has a high resolution of 0.01v and 0.01a. you can easily tune it within 0-30v and 0-10a. the backlit 4-digit led display provides a more accurate readout for the voltage and current value, visible easily even in the low-light co...
- ✅【【excellent heat dissipation】equipped with a big fan controlled by intelligent temperature control sensor and multiple heat radiation grooves on both sides, intelligent fan offers excellent heat dissipation effect, which reduces the noise and prolongs the life of product effectively.( when the internal power supply reaches a certain temperature, the fan will automatica...
- ✅【【what you get & service】1 x 30v 10a dc power supply, 1 x output power cord, 1 x input power cord, 1 x test probes, 1 x user manual. (buy now risk-free with 30 days free of return,we provide 12-month after sale service, lifetime technical support. please feel free to contact us if you have any concerns,we will reply to you to solve your problem in 24h.)
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- ✅【5v/2a usb interface & the design with elastic handle】this voltage adjustable power supply could charge the device which you want to repair. it also features a large display that makes it easy and accurate to read voltages and currents. in addition, the design with portable and lightweight could help you to carry it easily.
- ✅【multiple protections】this bench power supply 30v 10a provides overvoltage, overcurrent, overtemperature, overload, and short circuit to protect your device, prolong the service life of the dc power supply. in addition, it also has multiple heat radiation grooves on both sides, provides the cooling & exhaust fan protection
- ✅【automatic power calculation】 different from other 30v 10a variable dc power supply, longwei ps-3010df bench power supply can automatically calculate the power value according to the voltage and current, but also can simultaneously display the 4-digit voltage, current and power values, numerical accuracy of 0.01v and 0.01a.
- ✅【constant voltage & constant current operation mode】the easy-to-use rotary knob of coarse and fine could adjust the data of voltage and current digit by digit, which allows you to set the desired output resolution quickly and easily in 30v 10a.
- ✅【various application】this one weighs less than 3kgs and measures only 11.2 x 5 x 5.7 inches, applies for cb radio power supply, lab power supply ，diy, electroplating kit，teaching supplies，work bench ，electronic projects .(buy now risk-free with 30 days free of return,we provide 12-month after sale service, lifetime technical support. please feel free to contact us if y...
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- ▲ c.c & c.v.modes auto conversion🍧-the dc power supply is easy to adjust your desired voltage and current with coarse and fine turning knob. the constant voltage and current mode automatically switch over with load changes. the conversion of cv and cc is indicated by the led display on the front panel.
- ▲ wide applications🍧-the bench power supply 30v is suitable for the electronic maintenance, laboratory, scientific research and teching,diy tools, for battery pack charging.
- ▲adjustable power supply🍧- 0-30 volts and 0-5 amp outputs with 3 led digital bright display, easy to read,with resolution of 0.1v and 0.01a
- ▲high quality& stability🍧-high quality circuit board made, and make it stable output.it's built-in cooling fan with thermo-sensor and two heat sinks used will keep the power supply cool,noise reduced and life prolonged.it's set anti-reverse connection,and better to protect the user's device.perfect limit current protection, thermal protection, voltage overload protectio...
- ▲what you will get and enjoy🍧- 1* dc bench power supply host, 1*quality standard 4mm alligator clip leads with banana plug 20 inch length;1* us power cord, 1* user manual. you could enjoy 30-day free-returned,36-month warranty,and lifetime technology support.
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Product Highlights
- High precision with 4-digit & large display screen :🎉dc bench power supply 30v 10a is a professional power supply regulator device. the accuracy can be accurate to 0.01v (10mv) and 0.001a (1ma), and the coarse fine knobs can turn smoothly and exhibit no looseness or wobble, extremely sensitive, so you can easily adjust it within 0-30v and 0-10a. has backlit 4-digit larg...
- Compact and lightweigh & wilde application : 🎉the unit is small – takes up very little room on the bench, easily to carry, only 8.70*5.43*4.09 inch and the weigh less than 1.5kg. it suitable for testing components,circuits,laboratory, electronic,communication equipments maintenance, products lines, charging batteries,scientific research and teaching units, nice gift cho...
- Automatic conversion c.v.&c.c. mode : 🎉the bench power supply constant voltage/current mode could automatically switch with load changes. the conversion of c.v. and c.c. is indicated by the led display on the position below the knob. lf the load current becomes equal to or greater than the preset current limit, the unit will automatically switch to the c.c. mode and the...
- Grounding terminal & safe and reliable to use :🎉lab power supply has ground terminal provide security protection measures when operated. it also has leakage protection,thermal protection,voltage overload,limit current, short-circuit protection and anti-reverse connection protection to better protect your device from damage. build-in cooling fan that provide stable and r...
- What you get & technical team services : 🎉1 x sky toppower dc bench power supply, 1 x power cords , 1set x alligator clip wire, 1 x user manual. with more than 20 years of technical engineers, can provide professional technical support from sky toppower. if you have any questions about our power supplies, please feel free to contact us.
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Product Highlights
- 2️⃣【output on/off button】: with a single press of the added output button, you can easily switch the output on/off. when you want to adjust settings, you don't have to remove the load or turn off the power each time! !
- 4️⃣【functions & protection】: a 5v/2a usb charging port, ocp over-current protection, ovp over-voltage protection (fixed), temperature-regulated cooling fan, opn output status setting at the moment when the power is turned on, etc. a handful of convenient functions are loaded within this tiny unit! !
- 6️⃣【items you get & customer service】: 1 x sps-h unit, 1 x power cord*, 1 set of test leads*, 1 x instruction manual (contact information included). we provide professional technical support. should you have any problems or questions about your order, please feel free to contact the jesverty customer service via amazon or email.
- 🌟note: the test leads that come with the unit are merely a give-away, we recommend that you prepare test leads with sufficient current capacity if your project needs long-term use of high current.
- 1️⃣【high precision encoder knob】: jesverty's new sps-h series power supply upgrades from traditional potentialmeter corase & fine adjustment to encoder knobs to make it more convenient to set your desired voltage and current! ! by turning only one knob, you can set the desired value digit by digit (setting resolution 0.01v/0.001a).
- 3️⃣【4-digit display & power calculation】: jesverty desktop power supply features a big bright 4-digit led display that shows measured values of v／a／w that the unit outputs in real-time. the display resolution is up to 0.01v, 0.001a, and 0.1w. you can also adjust the brightness of the screen by turning the voltage and current knobs at the same time, making it easier to s...
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Product Highlights
- 【precise 3-digit led display】the nice-power dc bench power supply has a resolution of 0.1v and 0.01a, and you can easily adjust it in the range of 0-30v and 0-5a. the 3-digit back-lit led display provides more accurate and clearly visible readings for the voltage and current value, even in conditions of low voltage.
- 【fcc/ce certified and multi protection】the dc power supply is fcc/ce certified, built-in fan low arc noise & low ripple, the power supply comes multiple protection of over-voltage, over-current, over-power, over-temperature, short-circuit powerful protection function, it is safe and reliable to use.
- 【upgraded high-precision encoder knob】just "set" voltage and current instead of "adjust". you can press the voltage and current encoder knob to select the digit you want to adjust, then rotate the knob to set the value from 0-9. each digit can be set easily by the accurate encoder knob. the encoder switch replaces the potentiometer switch, making your work easier, more ...
- 【portable and widely used】worried about the bulky power supply? this compact dc power supply weighs much less than a laptop at just 1.54 pounds/0.7kg, saving more space on your workbench. and you can use it in various scenarios such as laboratory, aging test,phone repair, electrolysis, burn-in test, electroplating, brush plating, battery charging,diy, etc.
- 【packaging and after-sales】 1 x dc power supply, 1 x power cord, 1x output load cord, 1 x user manual, 1xwarranty card. the variable dc power supply size is 6.5*4.0*3.2 inch/16.5*10.3*8.1cm, weight is 1.54lb/0.7kg. you can easily take the dc power supply to work. we provide a 12-month warranty policy. if you have any technical questions about our power supply, please do...
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Product Highlights
- ✅【c.c. and c.v. automatic conversion】🚀the bench power supply constant voltage/current mode could automatically switch with load changes.if the load current is less than the preset current limit value,it could be used as a constant voltage source.lf the load current becomes equal to or greater than the preset current limit,the power supply will automatically switch to th...
- ✅【high quality & lightweight design】🚀 laboratory power supply has adopted high quality material and make it more stable output, the power supply built-in fan reduce the operation noise, prolonging the life of the product effectively. small volume, light weight, easy to carry and move and easy to operate.
- ✅【dc power supply】🚀 sky toppower variable power supply 30v 10a is a professional adjustable power supply with high accuracy of 0.1v(100mv) and 0.01a(10ma).easy adjustment of current and voltage output in the range of 0-30 volts and 0-10 amps. 3 led digital display power supply with alligator clip leads.
- ✅【multiple protections&wide application】🚀our regulated power supply has anti-reverse connection protection,ground wire,thermal protection,limit current protection, voltage overload and short circuit protection to better protect your device from damage, ensure the safety.switching power supplies are suitable for laboratory, electronic, communication equipment maintenance...
- ✅【packaging and after-sales】🚀1pc x sky toppower 30v 10a power supply, 1pc x power cord, 1set x alligator clip wire, 1pc x user manual. we provide lifelong technical support. if you are not satisfied with the power supply you have received and any questions on using the power supply, please feel free to contact us.
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- 💡led smart display➤ 1. led 4-digit display voltage, current and power. 2. adjustable dc power supply: rotate the component "voltage setout" to adjust the required voltage (0-30v) and current (0-5a). press the component "voltage setout" to select the digit to be adjusted, which is more convenient and quicker.
- 💡widely used➤ used in home, maintenance, school and other places where dc regulated power supply is needed. suitable for electronics enthusiasts, researchers and professionals.
- 💡special design➤ 1. the front of the switch button, one key to turn on/off the power. 2. front "output" button (turn off safe mode), only press the "output" button to output the set voltage and power supply. 3. the front "current lock" button locks the keyboard to prevent accidentally touching the adjustment button during use.
- 💡safe➤ safety is our top priority. 1. the built-in fan cools down. 2. low arc noise and low ripple. 3. since the power supply has a ground terminal and has multiple protection against overcurrent, overheating and overvoltage, it can be used for productive work.
- 💡package content➤ 1 * hm305 dc power supply variable, 1 * output power cord, 1 * input power cord, 1 * user manual. made of high-quality materials, the output is more stable, small size (80*150*230 mm), light weight (1.95kg), easy to carry, move and easy to operate.
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Product Highlights
- 【5 v /2a usb interface】: variable power has built-in quick charging protocol identification chip, supporting usb quick charging function, it has a 5 v / 2a output can be quickly charged mobile phones or other devices or used for charging equipment repair, very convenient.
- 【widely used】: jesverty dc desktop power supply size is only 8.66x 3.35x 5.9 inches, more flexible and compact than ordinary power supply, very suitable for laboratory, school, maintenance, electrolysis, electroplating, brush plating, lamp testing, aging test, battery charging, home diy and other requirements.
- 【automatic power calculation】: adjustable dc power supply accuracy up to 0.01v and 0.001a, constant voltage (c.v.) and constant current (c.c.) mode automatic conversion and can automatically calculate power values according to voltage and current. in addition, the backlit 4-bit led display provides more accurate readings of voltage and current values, which are easy to ...
- 【safe and reliable】: with a variety of safety protection measures, including grounding wire, leakage protection, thermal protection, voltage overload, power overload, short circuit protection, and the power supply is equipped with intelligent temperature control fan and heat sink, heat dissipation effect is good, can effectively continue to work. extend product life.
- 【packaging and after-sales】: 1 x power host, 1 x output power line, 1 x input power line, 1 x user manual, we provide lifelong technical support. if you are not satisfied with the product you have received, please feel free to contact us.
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