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10PCS Type-C USB 5V 2A Boost Converter Step-Up Power Module Lithium Battery Charging Protection Board LED Display USB for DIY Charger (no Welding Version)

10PCS Type-C USB 5V 2A Boost Converter Step-Up Power Module Lithium Battery Charging Protection Board LED Display USB for DIY Charger (no Welding Version)

Q: After unplugging the usbc power, blue leds continue to all blink , every 10-20 seconds or so for about two minutes.. What is this telling me?

From my experience something is wrong with the battery I connected the battery reversed to see what it would do and the LEDs started blinking like you described

Q: Is this what i need to convert a device that takes 2 AA batteries over to using an internal lithium battery? Does this have overcharging protection?

Not quite. Yes it will charge a lithium battery safely, with a 4.2v float voltage (works with standard 3.7v nominal lithium ion or lithium poly cells) but the output is boosted to 5v for the load side. 2xAA devices usually want 3v. You could pair this with a 3v LDO module to drop the output to the voltage you need, though, but really you want a plain charger (no boost) and a 3v LDO as this will be more efficient

Q: Do the leds turn off on their own? i don't want them draining the battery.

They come on when connected to a charger and turn off soon after disconnected.

Product ID: 452477541

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Details

Brand
DWEII
Power Source
Battery
Current Rating
2 Amps
UPC
701715515956
Manufacturer
DWEII

⚡Step-Up Boost

📊LED Display

🔋2A output

Frequently Bought Together

DWEII 10PCS Type-C USB 5V 2A Boost Converter Step-Up Power Module Lithium Battery Charging Protection Board LED Display USB for DIY Charger (no Welding Version)

Dorhea MT3608 DC-DC Step Up Boost Power Converter - 2A Module, Adjustable Step Up Voltage Regulator Board - 2-24V to 5V-28V Output Voltage (Pack of 10)

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

Description

⚡ Elevate Your DIY Game with Effortless Power Solutions!

USER FRIENDLY DESIGN - No welding required—perfect for hassle-free assembly.
VISUAL POWER CONTROL - LED display keeps you informed of power status at a glance.
POWER UP YOUR PROJECTS - Transform your DIY charging experience with a reliable 5V output.
DYNAMIC LOAD MANAGEMENT - Automatically turns off output under low load for energy efficiency.
SMART CHARGING PROTECTION - Automatically manages battery cycles for optimal longevity.

This 10PCS Type-C USB 5V 2A Boost Converter is designed for DIY enthusiasts, featuring a no-welding version for easy assembly. It includes smart charging protection, an LED display for real-time monitoring, and efficient load management, making it an essential tool for any lithium battery project.

Have a Question? See What Others Asked

Can it charge the battery from the usb-c while also outputting 5v on the usb-a ?

After unplugging the usbc power, blue leds continue to all blink , every 10-20 seconds or so for about two minutes.. What is this telling me?

Is this what i need to convert a device that takes 2 AA batteries over to using an internal lithium battery? Does this have overcharging protection?

Do the leds turn off on their own? i don't want them draining the battery.

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