Li-po Rider

luca 27/10/2012 1

I’m working on a project that will be powered by a Li-Po battery, so I was looking for a power module that was able to charge the battery and to supply 5V to my circuit.

Seeed Studio sells a very interesting module, named Li-po Rider; its main features are:

  • supports a single cell Lithium Polymer battery
  • can charge the battery through solar power or USB
  • has an internal boost circuit to supply 5V from battery’s 3.7V


The module is shipped in an antistatic bag:

and has a small footprint (about 5x4cm):


I brought also from Seeeds a 1000mAh Li-Po battery:


If you connect the battery and the solar panel (or if you power the module via USB), Li-po Rider starts to charge the battery, showing the charge status with a pair of leds (red/green):

Li-po Rider has a female USB socket to connect the device to be powered: you can turn the device on and off with a switch:

It’s also possible – leaving the switch turned off – to use the USB connection in pass-through mode, for example to program the connected device.


Li-po Rider is a very all-rounder module: you can use it for different applications and its low cost makes it a must-have for all those projects that need battery supply. The provided documentation (available on Seeeds’ wiki) it’s very complete.

An improvement could be the addition of a battery monitoring chip, to notify to the connected device the charge remaining in the battery.

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