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

Used in BFO project to charge small lipo flat battery. Removed led charge status and used external led indicators. Used one as a replacement for inop, obsolete charge controller in a kit clock with 14500 AA lithium cell with direct wiring. Have one to go into my analog quartz clock project. Excellent device!

With the proper software and wiring instructions I was able to remove the low charge protection flag on my DJI drone batteries.

Worked as expected. Use this as the power charging input to my mobile device. Would have been nice to have a mounting hole. This device will be subject to some abuse from the user as they plug and unplug the charging chord. As is I had to design a custom case to capture the module and hold it in place. It performs all the necessary tasks to support my 3.7v battery. I plan to continue using this device

Seems to work well, have a 4 battery pack in parallel and voltage is good, charging is working. Not sure what the current draw is on the USB but I'm assuming 1amp as it's connected to a PC USB 2.0. Eventually connecting to 5 watt solar panel

You have to use a USB-A to USB-C charger, or these will not charge. It's kind of frustrating to find that out by reading other reviews.

Worked great for my 1650 battery based project

I really like the charger but the board size should be a little larger so the mounting holes could be bigger. Not even my 2mm standoffs fit thru the holes so I will make a custom slotted holder from wood or Plastic. I put together a battery charger with an INA219 board that monitors charge current and voltage and displays on a screen. I have a raspberrypi zero monitoring it and sends an alert when things are done or if things exceed set tolerances. I plan to add temperature sensing to it for unattended charging so I can do things elsewhere at home. The next step is to add a discharge circuit for a full battery charge and testing platform. Of the 3 devices in my order, one failed (no LED's on at ANY time) but the device seems to continue to charge. I am leery of the devices now. You can see the comparison in the photo, one behaves as expected with no battery attached, the blue LED is on and the RED LED flashes. The other appears to be dead but still charges a battery, actually it will OVERcharge if allowed to. Follow up: on the device that had the LED's fail I was able to charge a battery with it even tho the LEDs did not work. BUT, and this is a BIG BUT, the TP4056 was allowing the battery to overcharge, so not only had the LED's failed but the overvoltage/overcharge protection was also bad. I find this unsafe so am dropping my review from 4 starts to 1 star. Update #2: Another of these failed and was over-charging my battery, no LED' indications for any state of the battery. Only one of 3 seems to be working.

The board worked, but you need to pay attention to the labels next to the pads. If you are using a 1S LiPo with a JST 1.25 connector, here is the wiring: | Wire Color | USB-C Charger | Destination | | ------------------------------ | ------------- | -------------------------- | | Red | B+ | JST Female Plug Red Wire | | Black | B- | JST Female Plug Black Wire | | Brown | Out- | Device GND | | Red | USB-C Out + | Device Power Pin | It is also important to node that the LiPo only seems to charge when using a USB-A to USB-C cable. Attempts at C to C and a direct power C both failed. The LED will be red when charging, and *BLUE* when charged.

Excellent works great, good quality.

This product is almost perfect for me. I built 18650 Lithium battery charger, it works well and can even withstand high temperature. Good quality. To ease the high heat i parallelled two modules to charge two batterries and the high heat was resolved, the drawback was it doubled the charging time, but not a big deal for me. Tested overnight charging and it was okay and safe to do so. Up Up

llego justo a tiempo

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Received intended product and it works as expected. I'm satisfied.