Top 10 3.7V Solar Battery 18650 – Power Converters

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1. Vikye


Solar Charging 3.7V 4.2V Lithium Batter, Lithium Batteries 18650 14500, Upward Module, DC 5V 2.1A Boost Converter for Battery Operated Devices, UPS Power Supply DIY

Vikye #ad - Excellent quality, fast delivery, simple after-sales service. Integrated charging management and discharge management support drip mode and zero voltage charging.

Applicable to: electronic tools and equipment, computers and offices, electronic components and supplies, smart home maintenance tools, telephone and communications, smart home, household appliances, office and school supplies.1100% brand new high quality. We do our best to provide customers with satisfactory service. Intelligent temperature control and overtemperature protection, overload protection, integrated output overvoltage protection, short circuit protection, integrated overcharge and overdischarge protection.
BrandVikye #ad
ManufacturerVikye #ad
Height0 Inches
Length0 Inches
Weight0 Pounds
Width0 Inches
Part NumberVikyep1dn3iwo68



KOOBOOK 5Pcs Micro USB 3.7V Lithium Li-ion 18650 Battery Charging Discharge Module Adjustable Boost Step Up Integrated Module 4.5V-8V to 4.3V-27V

KOOBOOK #ad - This module is made for charging rechargeable lithium batteries and Boost module. For example: vin+port input 5v solar panels, bat+port can output 4.

2v to charger 3. 7v 18650 battery. The out+port can output an adjustable voltage. This module greatly simplifies the process of adding single cell Lithium battery power to your projects. Please debug the parameters before use, the default output is about 9V. Input voltage: 4. 5-8v; charging voltage: 4. 2vcharge the 3. 7v 18650 lithium battery; charging current: up to 1A; Discharge current: the maximum 2A. Can be used for multimeter, converted to lithium battery charging.
BrandKOOBOOK #ad
ManufacturerKOOBOOK #ad
Part NumberKB627

3. N&P


DD0603SA_3V7 2 in 1 0.9-6V to 3.7V Auto Buck-Boost Step-UP&Step-Down DC DC Converter for 18650 Solar Battery Toy Power Supply

N&P #ad - Product name: 2 in 1 09-6v to 3. 7v auto buck-boost step-up&step-Down DC DC Converter for 18650 Solar battery Toy Power supply. Auto buck-boost converter module working frequency 1MHZ. Efficiency 61%-85%. The maximum input voltage can not exceed 6. 5v. Input voltage dc 09 ~ 6v, output DC 3. 7v+-5%. Packing list: 1 pcs dd0603sa_3v7 09-6v to 3. 7v dc dc boost-Buck Converter Board.
BrandN&P #ad
ManufacturerN&P #ad
Weight0.01 Pounds
Part NumberDD0603SA_3V7

4. eletechsup


1, Eletechsup 2 in 1 0.9-6V to 3.7V Auto Buck-Boost Step-UP&Step-Down DC DC Converter for 18650 Solar Battery Toy Power Supply Without pin

eletechsup #ad - 6v to 3. 7v. Dc 09 ~ 6v, output dc 3。7V. For led Motor. 3. 7v auto buck-Boost Converter. Dc dc converter.
Brandeletechsup #ad
Manufacturereletechsup #ad
Height0 Inches
Length0 Inches
Weight0.01 Pounds
Width0.59 Inches
Part NumberDD0603SA

5. MakerFocus


MakerFocus 6pcs 2A 5V Charge Discharge Integrated Module 3.7V 4.2V for 186 50 Lithium Battery Charging Boost Mobile Power Protection PCB Board Module

MakerFocus #ad - Lithium battery protection function: over-current, over-temperature, overvoltage, short circuit protection. Trigger mode: low level trigger ground. Note: at this time output voltage 4.

7 / 5v. Mcu users, if you accept a small load key can be connected to the microcontroller about 20s to provide a low level allows the module to continue working. The first time the load is connected, the output will be automatically turned off after 30 seconds; if the load is greater than 50MA, the output is automatically turned on. In discharge mode the charging mode key function is invalid, trigger the KEY port once to open the output; continuously trigger the KEY port twice to close the output. If the load is less than 50MA, the output will be automatically turned on. Allow discharge while charging. 4 in 1 charging / lithium battery Protection / discharging / Battery Level Indicator Module.
BrandMakerFocus #ad
ManufacturerMakerfocus #ad
Height0.39 Inches
Length0.98 Inches
Width0.63 Inches
Part Number1468720264RM7BC61XM



CHENBO 10 Pcs 5V Micro USB 1A 18650 TP4056 Lithium Battery Charging Board with Protection Charger Module

CHENBO #ad - Inputs with micro usb female, can be directly input to do with the phone charger rechargeable lithium battery. Charging cut-off voltage: 4. 2v ± 1%. Connect the battery to the b + b-, inserted into the USB female mobile phone charger, the red light is being charged, the green light to full. Maximum charge current: 1000mA. Input voltage: 5V.
BrandCHENBO #ad
ManufacturerCHENBO #ad
Weight0.04 Pounds
Part Number43237-2



DROK Adjustable Buck Converter Step Down Voltage Regulator 6V-32V 30V 24V 12V to 1.5-32V 5V 5A LCD Power Supply Volt Reducer Transformer Module Board with USB Port Protective Case, DC Buck Module

DROK #ad - Features - constant current/voltage mode; voltage calibration & current calibration; USB interface; Protective case; Short-circuit protection; Over-temperature protection; Input reverse connection protection. General use - as ordinary step-down module with over-current protection; As constant current LED driver module; DIY a solar power controller, etc.

2. Display - large clear digital LCD display voltage & current value simultaneously. You can find the pdf instructions on this page -- Product information -- Product guides and documents -- User Manual PDF. Parameter - input voltage range dc 6v-32v; output voltage dc 1. 5v-32v; max output current 5A, recommend use of within 4.

5a; max output power 75W, recommend use of within 50W. It needs to be manually installed. 3. Please carefully read the user’s manual, if your input is lower than that, especially the “Cautions” before using. Output voltage is set as around 20v by default, please turn potentiometer anticlockwise for 10 laps or more until voltage changes. The case is packaged unassembled to avoid damage during transit. Note - 1.
BrandDROK #ad
ManufacturerDROK #ad
Weight0.15 Pounds
Part Number180080AFA

8. Mudder


20 Pieces Charging Module Battery Charging Board with Battery Protection BMS 5V Micro USB 1A 186 50 Charge Module

Mudder #ad - Notice: please note that the charge should disconnect the load OUT terminal on the positive and negative can not be wrong, please according to specifications, otherwise it will break directly; The ammeter for testing current can only be connected in series with the 5V input terminal of the charging board.

Details: the charging board inputs with micro usb female, convenient for you to DIY; Charging cut-off voltage: 4. 2v, can be directly inputed to do with phone charger rechargeable battery, still retains the input voltage wiring pads, max charge current: 1000 mA. Suitable occasion: the battery charging board is applied for single-cell lithium battery or multi-cell parallel lithium battery charging, and the charging port can be powered from USB, which are convenient for you to operate.

What you receive: there are 20 pieces charging modules in our package, practical tools for you, which can also meet your various needs, enough for you to change and replace. Function introduction: input voltage is 5v, battery over-discharge protection voltage is 2. 5v, battery over current protection current is 3a; Connect the battery to the B+ B-, inserted into the USB female mobile phone charger, the red light is being charged and the green light to full.
BrandMudder #ad
ManufacturerMudder #ad
Height0.63 Inches
Length7.87 Inches
Width3.94 Inches
Part NumberMudder-Battery Charging Board-01

9. Atnsinc


5PCS 3.7V 4.2V Lithium Liion Battery Charger Board Adjustable DC-DC Step Up Module Boost Charge Discharge Integrated Module TP4056 DIY Kit Parts

Atnsinc #ad - Package included: 5 x Step Up Boost Module. 1a; discharging current: Max. 2a. Note: the out+port can output an adjustable voltage. Application:the module can be can be used for multimeter, converted to lithium battery charging. Input voltage: 4. 5-8v dc; output voltage: 4. 3-27v dc continuously adjustable; Charging voltage: 4. 2v dc; charging current: Max. The charge boost and discharge integrated module for 3. 7v lithium Battery. For example: vin+port input 5V solar panels, BAT+port can output 4. 2v to charger 3. 7v 18 650 battery.
BrandAtnsinc #ad
ManufacturerAtnsinc #ad
Weight0.04 Pounds



Battery Charger Module USB TP4056 3.7V 4.2V to 9V 5V 2A Charge Discharge Integrated Step Up Module,18650 Lithium Li-ion Battery Charger Module6 PCS

ABSOK #ad - Adds a battery and converts a low power DC device to a USB rechargeable device. Instructions for use: tp4056 charger module can be used for multimeter to convert to charge lithium batteries.

Package contains: 6 * Lithium Li-ion Battery Charger Module. Small and delicate: 1. 3in*092in/33mm*23mm. Material: battery charger module made of electronic components. Can be used for multimeter, converted to lithium battery charging. Features: battery charger module combines the TP4056 battery charger with a boost circuit. Vin+ port input 5v solar panel, BAT+ port can output 4. 2v to charger 3. 7v 18650 battery.
BrandABSOK #ad
ManufacturerLESEXS #ad