10 Best Variable Voltage Batteries

SoulBay

[Upgraded Version] SoulBay Universal AC/DC Adapter Multi-Voltage Regulated Switching Power Supply with 7

9.6

Awesome

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1 Best deal!

Product highlights

✅[multivoltage & multitips] - variable voltage is easy to select, you can converts to different voltage with ease using the provided key. this power supply adapter has 8 selectable adapter tips, which can be useful for various appliances.
✅[exactly what you are looking for] - reasonably priced, versatile adjustable charger, different sizes of output and different levels of voltage. safe to operate, handy to set up at the correct voltage and easy to attach the adapter plugs. supporting 12v 1a 1.5a 2a devices.
✅adapter input: ac 100v~240v 50/60hz 1000ma, adapter output: 3v/4.5v/5v/6v/7.5v/9v/12v - max 2a(2000 ma). this replacement power adapter provides a range of voltages, interchangeable tips, full protection of over voltages/ over current/ short circuits/ over temperature.
✅[upgraded version] - newly designed plugs to make this charger plugged in easily, new 1.5 meter cable in length, made of compact material and add a magnet ring. bonus: there is also a micro usb plug so this item can also function as an adaptor to turn any usb cable into a charger, such as camera.
✅[all-in-one adapter] - this 8 adapters in1, which can largely save your space and this one can replace a lot chargers. attention: dc plug polarity: inner positive(+), outer negative(-), polarity is not reversible. attention: if you are looking for an opposite polarity charger, please search https://www.amazon.com/dp/b07gvfkkpr

Seven Star

Seven Star 1.5V, 3V, 4.5V, 6V, 7.5V, 9V, 12V DC, 500mA Regulated Universal

9.4

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Product highlights

Up to 500ma
Output voltages: 1.5, 3, 4.5, 6, 7.5, 9 or 12 volt dc
Seven star universal ac adapter ac/dc ac adapters & power cords

DROK

9V Voltage Regulator, DROK DC Buck Converter 5V-23V 12V to 0.01-18V 5V Power

9

Great

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Product highlights

Voltage adjustment button ---- support fine adjustment by 0.01v & fast adjustment.
Protection ---- input reverse connection protection, protective case kit.
Parameter --- input voltage range dc 5v-23v; adjustable output voltage 0.01v-18v, max output current 3a, recommend use of within 2a.
Lcd dual display ---- clear lcd screen displays digital volt & current values.
Accuracy ---- 0.01v, 0.01a; high conversion efficiency 95%.

RioRand

RioRand 7-80V PWM DC Motor Speed Controller Switch 30A

8.7

Great

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Product highlights

Suitable for long hours of work:circuit optimization design,stable
Using imported high-voltage mos tube, three pressure 100v high-frequency low-resistance capacitors, automotive fuses
Potentiometer cable（about 15cm） can be separated, with running stop brake function
Adjust the motor smooth no noise no vibration,with power indication,wide duty cycle adjustment range
Pwm frequency: 12khz

SoulBay

[Upgraded Version] SoulBay 30W Universal AC/DC Adapter Switching Power Supply with 8 Selectable

8.4

Great

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Product highlights

✅upgraded version power supply - made of compact material. newly designed adapter plugs to make this adapter plugged in more easily, new 57.1 inches cable in length, adding a magnet ring and led terminal connector. there is also a micro usb plug so this item can also function as an adaptor to turn any usb cable into a charger, such as usb charging camera.
✅multifunctional 30w adapter - variable voltage is easy to select, you can converts to different voltage with ease using the provided key. 5.5mm*2.1mm dc power cable connector plug, easy to connect and practical to use. supporting dc 12v-2a or 12v-1.5a appliances.[note: dc plug polarity: inner positive(+), outer negative(-), polarity is not reversible.]
✅universal ac/dc adapter - ac input:100-240v 0.25a 50/60hz, dc output:3v/4.5v/5v/6v/7.5v/9v/12v. advanced secure technique, with full protection of over voltages/ over current/ short circuits/ over temperature. [ buy soulbay new !!]
✅all-in-one adapter - this 30w replacement ac adapter comes with 8 interchangeable tips, which makes it fits 95% of ac/dc home appliances, such as 3v to 12v household electronics, tablet pc, scales, routers, speakers, led strip lights, cctv camera system, usb charging camera, and so on.
✅exactly what you are looking for - reasonably priced, versatile adjustable charger, different sizes of output and different levels of voltage. safe to operate, handy to set up at the correct voltage and easy to attach the adapter plugs. any issue for the product, please keep free to contact us before returning. we always stand behind and offer fantastic after-sale supp...

PRO-ELEC

Battery Eliminator, Power Supply, AC to DC, 3V, 5V, 6V, 7.5V, 9V, 12V

8.4

Great

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Product highlights

Isolated and regulated dc output voltage
2 amps of power on all output settings.
High efficient switch-mode yields precise power regulation
Output voltage settings dc - 3v, 5v, 6v, 7.5v, 9v, 12v
90 to 130v ac input - regular usa wall plug input

Montie Gear

Feeke Universal Interface USB Pen Battery - Black

7.8

Very Good

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Product highlights

Can be reused for more than 2 years.
Made of high quality stainless steel and aluminum.
Every feeke product includes a 60-day money-back and 24-month worry-free guarantee!

Snap VV

Variable Voltage Concentrate Snap Resistant VV Battery Device (Black)

7.7

Very Good

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Product highlights

4 user-controlled heat settings
510 threadding
Compact & powerful
Discreet and stealthy
Cartridge compatible

CZH-LABS

CZH-LABS Electronics-Salon Low Voltage Disconnect Module LVD, 12V 30A, Protect/Prolong Battery Life

7.3

Very Good

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Product highlights

Mount type: panel mount.
Rated current: 30a.
Part number: md-d1021/12v, version 2.0 (from june-26, 2018 change to version 2.0, version 1.0 we used a relay as a on/off switch, version 2.0 changed to ultra low impedance mosfets).
Suitable battery: 12v.
Datasheet: https://images-na.ssl-images-amazon.com/images/i/81mtli3gbzl.pdf

Onyehn

Onyehn DC Motor PWM Speed Controller3V 6V 12V 24V 35V Speed Control Switch

7

Good

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Product highlights

Mini dc 6-35v 5a pwm motor speed controller. wide voltage dc motor speed controller, pwm duty cycle: 1% -100%.
By screwing the potentiometer, you can turn off power supply output. high voltage and high current resettable fuse, overcurrent automatic disconnection, power off for cooling for a few seconds fuses automatic recovery.
Mini style dc motor speed regulator controls the speed of a dc motor by adjusting pulse-width-modulated (pwm).
Default disconnection of short circuit point, suitable for 5-35v input. manually connect the short circuit point according your needs, suitable for low power 3-15v input.
It is not only to use for dc motor controls of the speed,but also to use for adjust the led light.

Buying guide

When it comes to selecting the right Variable Voltage Batteries, you definitely want to research:

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How to choose the right Variable Voltage Batteries within your budget?
What is the average price of a good Variable Voltage Batteries?

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We analyze thousands of user reviews and products to generate usability score for each brand. This usability score considers product benefits, price and customer feedbacks to provide you with a unbiased list of 10 best affordable Variable Voltage Batteries to buy.

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10 Best Variable Voltage Batteries

SoulBay

9.6

Product highlights

Seven Star

9.4

Product highlights

DROK

9

Product highlights

RioRand

8.7

Product highlights

SoulBay

8.4

Product highlights

PRO-ELEC

8.4

Product highlights

Montie Gear

7.8

Product highlights

Snap VV

7.7

Product highlights

CZH-LABS

7.3

Product highlights

Onyehn

7

Product highlights

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