The Best 3.7 Volt Battery Charger Circuit of 2023 – Reviewed and Top Rated
After hours researching and comparing all models on the market, we find out the Best 3.7 Volt Battery Charger Circuit of 2023. Check our ranking below.
2,161 Reviews Scanned
- Input voltage range: 5~6V； over-current, over-voltage, and under-voltage protection
- Output voltage: 4.2V
- An ultra-small, 1A charging board for 3.7V lithium batteries with USB Type-C power input and LED charge indicators
- Support Type-C interface power supply, compatible with most PD fast charging heads
- The input terminal has a Type-c USB female socket, which can be directly used as an input to charge the lithium battery with a mobile phone charger.
- ★An ultra-small, 1A charging board for 3.7V lithium batteries with USB Type-C power input and LED charge indicators.
- ★Charges to 4.2V, provides 100mA pre-charging for batteries with voltages under 2.9V; Incorporates automatic charge cycle termination and resumption for efficient charging.
- ★With protection board, over-voltage protection, over-discharge protection, and over-current protection. Over-discharge protection value 2.4V; Over-current protection value: 4A
- ★Suitable for all types of 3.7V lithium batteries,small appliances modification and tablet PC retrofit charging port. Suitable for single lithium battery (parallel connection is not limited, can not be connected in series).
- ★Note: The first time you use it, you need to connect the power supply to activate the Charging protection board! If you are the first time to do this job, we suggest you can watch related video on the Internet before installation.
- An ultra-small, 1A charging board for 3.7V lithium batteries with USB Type-C power input and LED charge indicators
- Charges to 4.2V, provides 100mA pre-charging for batteries with voltages under 2.9V
- Incorporates automatic charge cycle termination and resumption for efficient charging
- Integrates safety features including over-current, over-voltage, and under-voltage protection for secure charging
- Compact and lightweight design (14×18×5mm), easy to install and use.
- 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. 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. VIN+ port input 5V solar panel, BAT+ port can output 4.2V to charger 3.7V 18650 battery
- Small and delicate: 1.3 in x 0.92 in/33 mm x 23 mm
- Package contains: 6 * Lithium Li-ion Battery Charger Module
- Input Voltage: DC 4.5V-8V ; Output Voltage: DC 4.3V-27V; Charging Voltage: DC 4.2V
- Output Current: 5V 1.4A; 9V 0.8A; 12V 0.6A;Charging Current: Max 1A, Discharging Current: Max. 2A
- How to USE: 18650 Lithium Li-ion Battery Charger Module Come with Micro USB,VIN+ Port Input 5V Solar Panel, BAT+ Port Can Output 4.2V to Charger 3.7V 18650 Battery
- Applications: These 18650 Lithium Li-ion Battery Charger Module Can be Used for Multimeter Converter to Lithium Battery Charging, Battery Charger Module Combines,The 18650 Battery Charger with a Boost Circuit.Adds a Battery and Converts a Low Power DC Device to a USB Rechargeable Device
- Package Contents:5pcs 18650 Lithium Li-ion Battery Charger Module and 5pcs 18650 Battery Holder
Last update on 2025-07-07 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API
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