10 Best Variable Voltage Batteries 2021

Gareth Otwell Reviewed by Gareth Otwell | Last Updated:

AlloverPower 3V – ⭐ Best Overall Variable Voltage Battery

by AlloverPower

  • Color: Black
  • Weight: 0.66 pounds
AlloverPower 3V
  • Adjustable and visable display voltage, can adjust the voltage from 3V - 24V through the display.
  • 100-120V Input, 3V - 24V, 1.5Amax Output.
  • Come with 8 different Plugs, suitable for power supply needs in different Devices.
  • Special Buit-in Power off switch, more convenient and easy to control with this function.
  • All-in-One Adapter - fit 95% of AC/DC Home & Outdoor appliances, widely use in multiple items.

Unik Premium Case for Happy Faces

by N\A

  • Color: black
Unik Premium Case for Happy Faces
  • Made of high quality material . Color of products will be random as what we have in stock
  • Fast Shipping From USA
  • Can be reused for 2 years
  • Capacity Random : 350-900
  • Every product includes a 60-day money-back, 24-month worry-free guarantee, and easy-to-reach customer support!

Skin for Variable Voltage Stainless Pen Battery Mini KIT

by T&A

Skin for Variable Voltage Stainless Pen Battery Mini KIT
  • Impeccable Craftsmanship for Performance and Reliabilit. Power Optimized for Your Precious Sticky Ick
  • Ridiculously Small and Extremely Efficient. Flexible round barrel for writing comfort.
  • This is a perfect gift for your boyfriend, girlfriend, or family friend on any holiday.
  • Ship from US.-in stock color choice is blue , red white black or ss (one each)
  • We guarantee to provide you with the highest quality products and customer service. If for any reason, you are not satisfied with the purchased service, please contact our customer service who will help you solve any problems.

Premium Skin for Long Lasting Quality

UK2020 by Sara

  • Color: black
  • Weight: 0.2 pounds
Premium Skin for Long Lasting Quality
  • Random Color as what we have available in Stock ( Green silver black white red blue)
  • Made of High Quality material Random Power 350-900
  • Fast Shipping from USA
  • 3 Variable Voltage 3.4V 3.7V 4.2V
  • HIGH QUALITY 100% MONEY GUARANTEED !!!

Skin for Variable Voltage Stainless Pen Battery Mini KIT Green – 💲 Best Budget Variable Voltage Battery

by T&A

  • Color: Green
Skin for Variable Voltage Stainless Pen Battery Mini KIT Green
  • 51o Variable Voltage Stainless Pen Battery Mini KIT Green with charger
  • 380Mah power smart green kit
  • its the whole kit pen with charger green color

Universal Compact Bench Power Supply – 👑 Premium Pick

PSV500 by Pyramid

  • Release date: 10/30/2019
  • Dimensions: 10.8 x 11.1 x 3.4 inches
Universal Compact Bench Power Supply
  • CONVERTS AC TO DC: Features AC to DC power supply variable linear / regulated design. Provides convenient and reliable AC-to-DC power conversion w/ constant source of DC voltage. Works w/ cellular phones, CB radio, scanner, HAM radio, etc
  • USB AND SCREW-TYPE TERMINALS: This workbench linear variable power supply features dual USB charge port and universal screw connection terminals compatible w/ a wide range of device/equipment. Used to test device/equipment operation and performance
  • PLUG-IN OPERATION: The simple plug-in operation provides a constant source of DC voltage, allowing for quick and consistent power conversion. Switch-activated power control eliminates the need for an external battery or additional power source
  • SHORT-CIRCUIT PROTECTION: Equipped w/ built-in electronic overload and short circuit protection to ensure the safety of the operator and any connected electronics. Has rugged and durable housing construction safe for benchtop or desktop placement
  • AMP GAUGE AND VOLT METER DISPLAY: This DC bench power supply is equipped with rotary control for the adjustable power supply DC and analogue gauge amperage and voltage metered display for easy operation

Premium Skin for Long Lasting

by realdeal

Premium Skin for Long Lasting
  • Random Color as what we have available in Stock ( Green silver black white red blue)
  • Fast Shipping from USA
  • 3 Variable Voltage 3.4V 3.7V 4.2V
  • 510 threaded for multiple use.

Yetaida Universal Adjustable AC/DC Switching Power Adapter

3-12V Adjustable Power Adapter by Yetaida

Yetaida Universal Adjustable AC/DC Switching Power Adapter
  • ♥ Adjustable Voltage Power Supply -Input: AC 100-240V 50/60Hz ,Voltage can be adjusted from 3V to 12V DC( 3V 4V 5V 6V 8V 9V 12V adjustable), Wattage Max.60W
  • ♥ Accuracy LED Voltage Display - A built-in LED displays real-time voltage, which helps you control real-time condition of charging.
  • ♥ Widely used - 3-12v 5a Power Supply are perfect use for liquid crystal display, LED light bar, motor, light cat, mini TV, 2.5 inch mobile hard disk, mobile DVD, TV box, wireless audio and video equipment, charging equipment, MP3/MP4, small table lamp, router, switch, game machines, telephones, lanterns, cameras, surveillance equipment, massagers, beauty instruments, motors, controllers and other household / portable devices.(Check dc jack before buy :5.5x2.5mm,compatiable 5.5x2.1mm)
  • ♥Multi-Protection - Over current protection, over voltage protection and overload protection, short-circuit protection.
  • ♥ 95% Efficient Power Adaptation & Long Life- Super low interference and stable voltage help achieve highly efficient power adaptation.

Electronic Load Tester

200392 by DROK

Electronic Load Tester
  • PARAMETER ---- input voltage range DC 5v~30v; load voltage range DC 1.5v~25v; rated current 5A max; rated power 35W max; other displayed value: capacity, discharge time.
  • PROTECTION ---- reverse connection protection; over-voltage protection (OVP); over-current protection (OCP); over-power protection (OPP); low-voltage protection (LVP); over-temperature protection (OTP).
  • LOCKABLE CURRENT ---- with rotary coding potentiometer, can accurately adjust the current, accuracy can reach 0.01A; the current can be locked to prevent misoperation.
  • DATA GROUP FUNCTION ---- can choose whether to add up the capacity value and running time of the previous stage.
  • OTHER FEATURES ---- automatic statistics of discharge capacity and discharge time; set maximum discharge capacity OAH and maximum discharge time OHP (to realize unattended aging experiments); with intelligent temperature-controlled fan; with powerfully serial communication function.

Gold Color High Performance 2021 Variable Voltage

by PW

  • Color: Gold
Gold Color High Performance 2021 Variable Voltage
  • Contact Service - 24/7 hours on-line service, any question please feel free to contact us. We will try our best to help you.
  • Suitable Cost - We provide the most competitive pricing for our customers.
  • Convenience - Easy to use, keep in pocket and clean.
  • Satisfaction Guarant 100% - We are confident about the quality of our product However, If you are not satisfied with it please contact us and we'll help you out or you can simply send it back no questions asked.

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