Top 10 3.7V to 3V UK – International Power Adapters

As an Amazon Associate I earn from qualifying purchases.



Router, TFUFR 5V 2A Power Supply Adapter, Speaker and more 5V Home Appliances, Universal Power Adapter AC to DC Adapter with 7 Tips DC Plug Adapters AC Charger for LED Strip Lights, TV Box

TFUFR #ad - Some musical device requires inner Negative and outer positive totally opposite, short circuit, over loaded protection system, enables your device to work normally while charging without any fuss. You can get: 1 * 5v 2a power supply adapter, game, you can carry it easily and use it anywhere and anytime, such as office, travel.

The polarity is not compatible aLL Devices. It is important to choose the right voltage before powering your device. Wide compatibility: widely application for usb hub, bluetooth speaker, external battery, 5v scanner, Switches, Android Smart Phone, Tablet, wireless router, LED Light Strip, mp3/mp4, gps, TV Box, cd player, Keyboard, Sony PS4 Controller, cctv camera, Baby Monitor, Foscam Wireless IP Camera etc.

Dc tips size: micro usb, and appropriate length can be suitable for home and office, 3. 5*1. 35mm, 3. 0*1. 1mm, 2. 5*07mm. Universal plug: this adapter equipped with 7 connection tips. Multiple connectors can be useful for various appliances, 4.
BrandTFUFR #ad
ManufacturerTFUFR #ad
Warranty30 Days Warranty

2. Wefomey


Wefomey 72W Universal Power Adapter Adjustable DC 3V ~ 24V Variable Switching AC Supply Adapter 100V-240V to DC 24V 3A Converter with 14 Different Plugs & Polarity Converter, 3000mA Max

Wefomey #ad - Multiple dc tipsequipped with 14 frequently used plugs: micro-usb, 5. 5x1. 7mm, dc terminal connector, type-c, 3.0x1. 1mm, 4. 8x1. 7mm, 5. 5x3. 0mm+pin, 5. 0x2. 5mm, 3. 5x1. 35mm, 6. 5x4. 4mm+pin, 6. 3x3. 0mm, 2. 5x07mm. We support 30 days money back guarantee, 24 months free exchange.

Built-in multiple safety protection systems and safe to use. Our dc plug polarity: inner positive+, outer negative-. Wattage max 3A, 3A. All products tested and shipped. Can be perfect for wireless router, cctv system, audio/ video device, digital piano, LED strip light and other household / portable devices. If you have any questions about the product, please feel free to contact us before returning.

Widely usedthe 72w all-in-one multipurpose adapter fit for most ac/dc home appliances. Upgraded version power supplybuilt-in protruding rotatable button for adjusting the voltage suitable for your device, The LED displays real-time voltage, which helps you control real-time condition of charging. Adjustable voltageinput: ac 100~240v, 50/60hz, 500ma, 1a, such as 300ma, 72w; it can supply with amps less than 3a, 2a, 2.5a, 1.
BrandWefomey #ad
ManufacturerWefomey #ad
Height3.51 cm (1.38 Inches)
Length14.73 cm (5.8 Inches)
Weight0.32 kg (0.72 Pounds)
Width5.99 cm (2.36 Inches)
Part Number24V 3A 72W
Warranty24 months free exchange

3. zalati


Zalati Mini Boost Module 10pcs DC-DC 3.7V to 5-12V Step Up Board Power Converter with LED Indicator

zalati #ad - When the default output is 12v, the led indicator consumes approximately 1mA of current If the indicator light is turned off, the input current at no load is less than 1mA.

Tips: when the 3. 7v lithium battery is input, 8v/05a, 12v/03a; when the 5v lithium battery is input, 9V/045a, it can output 5v/1A, it can output 8V/07a, 9v/07a, 12v/05a. Input voltage range: 2. 5v-vout. Attention: the input voltage must not be greater than nominal voltage, otherwise it will burn out the template; The input power must be greater than the output power, or the output voltage will be less than the nominal voltage. Output voltage: can be set to 5/8/9/12 V default 12V.
Brandzalati #ad
Manufacturerzalati #ad
Part Number2076

4. Garosa


Electronic Switch Latch Bistable Self-locking Trigger Board for LED Motor Household Appliance 6A DC 3V 3.3V 3.7V 5V

Garosa #ad - Better to use - with Low standby power consumption, and high output power. Falling edge - triggered. Wide applications - mcu development board, led lighting, 5V Relay, mobile power, esp8266 wifi modULE, motor, 315M 433M Wireless remote controller. Quality guarantee - 100% brand new and high quality. Special design - driver ic is dual P-channel MEM2313, Maximum drive current is 6A. Initial state after power no voltage output, after once again trigger the output terminal no voltage output, once triggered, output terminal output the power supply voltage, and so on.
BrandGarosa #ad
ManufacturerGarosa #ad
Height0.5 cm (0.2 Inches)
Length1.5 cm (0.59 Inches)
Width1 cm (0.39 Inches)
Part NumberGarosam6o2h51czs

5. Comidox


Comidox 1.5V 1.8V 2.5V 3V 3.3V 3.7V 4.2V to 5V DC-DC Step Up Power Module Voltage Boost Converter Board 0.9-5V to 5V 5PCS

Comidox #ad - Input voltage: 09-5v, output voltage: 5V, maximum output current: 480 mA. Dc-dc boost converter module, operating frequency 150KHZ, typical conversion efficiency of 85%. Weight: about 1g. Pin 2. 54mm pitch. Dimensions: 11mm x 105mm x 7. 5mm ultra-small module, 1mm=00393inch.
BrandComidox #ad
ManufacturerComidox #ad
Part NumberCP323



SFNTION 10Pcs 1.5V 1.8V 2.8V 3V 3.3V 3.7V 4.2V to 5V DC-DC Boost Converter Module T64

SFNTION #ad - Small body, strong power. Excellent quality and it is suitable for setting up the voltage. Stable and reliable performance. 100% brand new and high quality. The conversion efficiency can be up to 85%.
BrandSFNTION #ad
ManufacturerSFNTION #ad
Part NumberSFNTIONits54bh63r

7. Weewooday


DC-DC Step Up Power Module Output Voltage 5V DC to DC Boost Converter 1.5V 1.8V 2.5V 3V 3.3V 3.7V 4.2V to 5V Regulator Voltage Boost Converter Board 0.9-5V to 5V 10

Weewooday #ad - Dimensions: 11mm x 105mm x 7. 5mm ultra-small module, 1mm=00393inch; Pin: 2. 54mm pitch; Weight: about 1g. Widely support: mini dc-dc voltage converter can support 1.

5v 1. 8v 2. 5v 3v 3. 3v 3. 7v 4. 2v to 5V. Attention: the input voltage must not be greater than nominal voltage, otherwise it will burn out the template; The input power must be greater than the output power, or the output voltage will be less than the nominal voltage. Frequency and conversion efficiency: DC-DC step up power module's operating frequency is 150KHZ with typical conversion efficiency of 85%. Basic detail: input voltage: 09-5v; output voltage: 5v; maximum output current: 480 mA; Please know the basic information about the product before you ordering it.
BrandWeewooday #ad
ManufacturerWeewooday #ad
Weight0 kg (0 Pounds)
Part NumberWeewooday-Step Up Power-01
ModelWeewooday-Step Up Power-01

8. Vikye


Timer Control Relay, DC 3V~7V Adjustable Cycle Timer Control Relay Time Delay Switch Module 3V 3.7V 4.5V 5V 6V 7.4V

Vikye #ad - Function of the relay module this delay relay can be operated with a low voltage of at least 3 V. Power supply methods commonly used 3. 7v lithium batteries, 5V power banks, and a switching power supply can be used to power this board.

Specifications working current: dc 3v ~ 7v, quiescent current: 15ma, plc signals, output capacity: can control devices within dc 30v3a or ac 220V3A, without jumper: 3.8 v ~ 7 v, button, etc. Use pnp sensor, voltage range with jumper: 3 V ~ 5. 5 v, voltage range, signal source: dc 3V ~ 12V normally positive trigger of the power supply, working current: 30mA. Quality assurance the quality of our products is guaranteed and can be used without hesitation.

If you have any questions during use, please feel free to contact us. The optical coupling isolation at the output improves the interference suppression capability. The module uses an industrial circuit board and the set parameters are saved after a power failure. Scope of application widely used to control motors, small pumps, DC motors, light bulbs, LED belts, etc.
BrandVikye #ad
ManufacturerVikye #ad
Height1.5 cm (0.59 Inches)
Length6.5 cm (2.56 Inches)
Width3.5 cm (1.38 Inches)
Part NumberVikyee0cpshwx5k



EFISH International Power Adapters Multifunctional Portable Power Transformers Included USB,AC Supply Adapter 100-240V to DC 3V/4.5V/5V/6V/7.5V/9V/12V-MAX 2A 2000mA+8 Different Plugs

EFISH #ad - Output current:2. 5a2500ma. Output power:6w/9w/10w/12w/15w/18w/24w, if you can't confirm what voltage and current your device needs, MAX 30W. Note:since there are many kinds of adapter output voltages and output current, please contact us first. Or check the device's voltage and current parameters to avoid damage your devices.

3v/4. 5v/5v/6v/7. 5v/9v/12v 2a multifunctional power transformers. Approved by ukca, en, bs, make sure the adapter is safe to use. Each product undergoes a 24-hour aging test to reduce product defects to a minimum. Package weight:150g;package:1 * Power Adapter+8 * Different Conversion Heads. Please check photos. 1 year warranty and bonus items - bonus accessories with 1-Year Manufacturer's Warranty and 30 days no-questions-asked return policy. Value for money guaranteed, buy our products worry free every day.

If amazon can't handle the issue, please contact-us. The international power adapters for many kinds of small household electronics, t-Com, Speedport, switch, Radiowecker, LED strips, hubs, Router, Speaker, Alarm bell, Scanner, like Smart Phone, ESCAM QD300, telekom, Handheld massage device and many other compatible electronic devices that not listed. Please confirm that your device is compatible before purchasing. Ac input voltage:100-240v ~ 50/60hz;dc output voltage:3v/4.
BrandEFISH #ad
ManufacturerEFISH #ad
Part Number(3V-12V)2A+8Plugs



TP4056 Type-c USB 5V 1A 18650 Lithium Battery Charger Module Charging Board with Dual Protection Functions 3PCS

DUTTY #ad - Input interface: Type-c USB. Battery: over-current protection current 3 A. Battery overcharge lifting voltage: 4. 00 v. Light state: no load the light not bright, red light for recharging, is full of green light. Maximum charging current output: 1000 ma.
BrandDUTTY #ad
Height2.54 cm (1 Inches)
Length2.54 cm (1 Inches)
Width2.54 cm (1 Inches)
Part NumberD-001