High current 3A charging board for Type-C USB input Adjustable charging current through resistance adjustment Optional cut-off voltage of 4.2V or 4.35V Efficient working effects with a polymer ternary lithium battery Note: No power indicator or battery protection function included

4-port charger for single-cell 3.7V LiPo batteries Uses MCP73831T Charge Management Controller IC for reliable charging Standard Mini USB socket for 5V USB power source Selectable charging rates of 500mA or 100mA (default set to 500mA) Status LED indicates charging status Suitable for 3.7V LiPo or Li-ion batteries with Micro JST Connector USB charger...

2x 18650 Lithium Battery Shield V8 Mobile Power Expansion Board Module 5V/3A 3V/1A Micro USB for Arduino ESP32 ESP8266Output port: USB or expansion port Output parameter 5V / 3A or 3.3V / 1A. Conversion efficiency up to 95% Input port: MicroUSB

Doublepow AA 1200MAH Battery Single 1.2V Ni-MH Rechargeable Battery

The Doublepow Smart Battery Charger (DP-D03) is a 4 slot charger. It has an input of AC110-240V 50/60Hz. It has output of DC 1.2V 180mA D/C DC1.2V 150mA AA/AAA DC9V 25mA 9V, making it suitable for charging 1.2V AA/AAA/C/D/9V Ni-MH/Ni-CD rechargeable batteries.

Holds 3 AA batteries With an ON/OFF switch Dimensions mm (LxWxH): 68 x 48 x 18 Transparent Weight: 26 gm Material: Plastic Internal Connection: Series

Versatile Charging Module: Supports seamless UPS functionality for uninterrupted power supply. High Power Capacity: Capable of delivering up to 15W rated output with a peak of 20W. Multi-Voltage Output: Selectable 5V, 9V, or 12V output options for various devices. Efficient Power Management: Includes lithium battery charging, protection, boost output, and...

Seamless UPS Functionality: Automatically switches between external power and battery power during outages. High-Efficiency Boost Circuit: Delivers 12V output with a peak power of 20W and efficiency up to 96%. Integrated Lithium Battery Protection: Guards against overcharge, overdischarge, overtemperature, and overcurrent. Type-C Interface: Handles up to...

Versatile battery tester supporting constant current, voltage, power, and resistance modes. Measures key parameters like voltage, current, power, capacity, and temperature. Compact design with clear LCD display for accurate real-time readings. Wide testing range: voltage 2-200V, current 0.2-20A, and power up to 150W. Features built-in safety protections:...

Built-in Lipo Charging Circuit Stabilized Voltage Output High Battery Capacity

XL4015 DC-DC step-down buck converter with CV/CC control Adjustable output: 1.2V–34V, up to 5A load (4A continuous) Built-in digital meter for voltage, current & power monitoring High efficiency, low ripple, and stable line/load regulation Ideal for battery charging, LED/laser driving & DIY power supplies Compact module with versatile applications...

 Battery-style LED display module with 10 light segments for clear power visualization  Powered by TM1651 driver chip for easy control and stable performance  Requires only two signal lines + VCC and GND for simple interfacing  Ideal for battery-powered projects, DIY electronics, and embedded systems  Compact, lightweight design (only 7.2g) for effortless...

Rechargeable lithium ion battery for long-lasting power Compact size for easy integration 600 mAh capacity for powering a variety of devices 3.7V nominal voltage Perfect for gadgets, IoT projects, and more

Rechargeable lithium ion battery for long-lasting power Compact size for easy integration 1000 mAh capacity for powering a variety of devices 3.7V nominal voltage Perfect for gadgets, IoT projects, and more

Rechargeable lithium ion battery for long-lasting power Compact size for easy integration 2000 mAh capacity for powering a variety of devices 3.7V nominal voltage Perfect for gadgets, IoT projects, and more

Hold 2 standard 18650 batteries. Wire Length: 15 cm. Output: 7.2v. Dimension (Appro.) : 76 x 40 x 20 mm Weight: 12gm High-quality plastic material

High capacity (2200mAh) for extended runtime in your devices. 3.7V nominal voltage - compatible with a wide range of electronics. Compact 18650 cylindrical design (18mm x 65mm). Rechargeable lithium-ion battery for eco-friendly power.Note: This is a true capacity battery. 

This high-capacity battery delivers reliable and efficient energy transfer for your high-power devices. With a long cycle life and no memory effectThe battery color may vary between blue and yellow, depending on current stock. Both are identical in specification and performance.

Doublepow 14500 3.7V 850mAh Battery High-capacity lithium-ion cell Fast charging with small internal resistance Suitable for flashlights, toy cars, power banks, and more Compact size and lightweight design High capacity (805mAh) for extended runtime in compatible devices. Compact 14500 cylindrical design (14mm x 50mm). 3.7V nominal voltage - replaces...

High-efficiency buck-boost converter with up to 96% efficiency Wide input voltage range 1.8V – 5.5V, perfect for lithium and alkaline batteries Supports automatic step-up/step-down mode switching Provides stable 2.5V, 3.3V, 4.2V, and 5V output options Delivers up to 3A output current with low ripple and low quiescent current (<50uA) Compact module...

Create your own high-capacity power bank with this DIY case for 6 x 18650 batteries (not included). Dual USB outputs allow charging two devices simultaneously. Triple input ports provide flexibility for charging the power bank itself. Integrated LCD display shows charging status and battery level. Compact and portable design for convenient carrying. Note:...