Welcome to RVForums.com

  • Register now and join the discussion
  • Friendliest RV Community on the web
  • Modern site for PC's, Phones, Tablets - no 3rd party apps required
  • Ask questions, help others, review campgrounds
  • Get the most out of the RV Lifestyle
  • Invite everyone to RVForums.com and let's have fun
  • Commercial/Vendors welcome

FYI Magnum Energy ME-BMK Battery Monitor Kit

Welcome to RVForums.com

  • Register now and join the discussion
  • Modern secure site, no 3rd party apps required
  • Invite your friends and let's have fun
  • Commercial/Vendors welcome
  • Friendliest RV community on the web
Not open for further replies.


Staff member
RVF Administrator
Jul 27, 2019
Midlothian, VA
RV Year
RV Make
RV Model
Ventana 4037
RV Length
40' 10"
Freightliner XCR
Cummins 400 HP
2017 Chevy Colorado
Piggy backing on the ME-ARC50 post a great addition to your RV for battery management is adding the Magnum Energy Battery Management Kit (BMK). The kit ties into the Magnum Inverter via a network/cable connection. The ME-BMK allows the actual flow of electricity to be measured and with this you get much better control of your batteries by setting various features based on battery percentage for the charge level instead of voltage. Voltage can fluctuate drastically such as when running your Microwave, powered through the Inverter circuit, you can get a hard spike that may hit your Low Battery Cut Off (LBCO) and completely shut you down in a spike. The percentage readings do not spike so it helps avoid these situations. You can further harness the power of the ME-ARC50 remote controller by setting AGS and other features to run off of State of Charge or the percentage values instead of voltages.

Installation can be complicated and you must fully understand the documentation prior to installing this component. I invite others that have done the ME-BMK installation to share your tips and pics of how you wired up your shunt in your battery bay. I've seen various configurations. If necessary have a RV service center or mobile tech experienced with this handle your install if you're not comfortable doing this yourself. Click here to view the Magnum ME-BMK manual uploaded in the Resources area of this site.


Not open for further replies.

Shop Amazon

Shop Amazon
Shop Amazon for all of your needs.
Shop Amazon
We are a participant in the Amazon Services LLC Associates Program, an affiliate program designed to provide a means for us to earn fees by linking to Amazon and affiliated sites.