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USB Charging the EOS RP

  |   Article, Articles and reviews, Batteries, Camera testing, Canon EOS R, EOS RP, Rumour camera article   |   2 Comments

Charging the EOS RP via USB

Using a battery pack to charge the EOS RP

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The Canon EOS RP (and EOS R) let you charge their batteries via the USB port.

However, like many people I’ve heard of, it just didn’t seem to work with any kit I’d got.

It seems that USB charging is a bit more complex than I’d thought…

A new battery pack solved the problem.

See also Keith’s review of the EOS RP


USB charging and the EOS RP

One of the features that appealed to me about the EOS RP was that you could charge the battery via the USB socket, when the camera was switched off.

The tiny LP-E17 batteries may be light and convenient, but they don’t give anything like the sort of usage I want from a camera battery. Spare batteries are nice, but I’d got a big 20 amp hour LI battery pack with two USB sockets that would charge the LP-E17 many times over.

Unfortunately, plugging in a USB lead into the pack and camera had no effect.

The camera has the newer small curved USB C connector, whilst the battery pack has the old style rectangular full size connectors.  I actually tried several leads, and direct connection to my laptop and computer – nothing doing…

I then realised that USB had moved on since I last bought my kit. There was now a USB PD option for USB C ports where the port could supply a whole load of other voltages than the old 5 volt that’s powered USB since it came out.

These options are for phones, laptops and all kinds of kit I simply don’t have.

A bit of checking found the Imuto device I purchased from Amazon

The Imuto smart power Taurus X5D

From the listing []

  • High-speed Charging: USB Type-C port with PD2.0 (Power Delivery) Technology
  • Digi-Power and iM-Power Technology: Smart digital screen (LCD display) shows remaining power in digital format
  • 10000mAh Capacity Ultra Compact Design
  • Multiple Smart Safety Protection Systems: Protects your devices from over-charging, over-voltage, over-current, short circuit
  • Product Dimensions: 13.1 x 7.8 x 2.2 cm ; 268 g

I ordered one, along with a USB-C to USB-C charging cable – bigger capacity ones are available.


The device is in a black case with a simple display indicating charge level.


Here it is with the black charging lead and the red USB-C charge cable I also obtained.

The battery comes with a grey bag.


Plugging the lead into my computer start charging the unit. It shipped at 69% charge.


Plugging the USB-C <-> USB-C lead into the unit and the camera shows via the green LED that it’s charging.


What to do with my old battery pack?

Battery to battery charging

Fortunately the new power pack charges very quickly from the old one.


These two should keep me going for quite a while.

The Imuto device is available from []

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  • Tosh Lubek | Mar 11, 2020 at 2:43 am

    Hi Keith

    I have an EOS R and have been checking out USB charging. What I’ve found to work should also work on your EOS RP.

    USB-c charging works on my EOS R with the Anker PowerPort PD 2 wall charger and the Anker PowerCore Essential 20000 PD Power Bank. The power bank comes with a spare USB-c to USB-c cable, just in case you lose the cable that came with the camera.

    I’ve also tried USB charging of my camera’s battery by connecting to my PC’s USB-c port. It also works a treat.

  • Emmanuel DARLIX | Aug 2, 2019 at 12:32 pm

    Hello Keith

    Thx for the great idea,
    But ;-) you skipped the charging of the battery pack at least when you don’t have another one. :-)
    Last week-end the weather was bad so I spent some time to investigate.
    And I found the Anker PowerPort Atom PD 1 [GaN Technology] which is a wall charger that should really speed up the charging of the Imuto power bank with usb-c (or of the camera directly) at a good price.

    Kind Regards,


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