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Low Voltage Disconnect for Off-grid Solar Power Systems
​(I Make A Commission For Purchases Made Through The Links Below)

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65 amp Battery Protect

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100 amp battery protect

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220 amp battery protect

There are some bad reviews for this product on amazon.com but they are silly. I use these battery protect modules for every system I build, and they rock. I think people do not know how to program them because they do not read the manual, and get frustrated. Read the manual for 5 minutes, and program these in seconds. 

Main Features:
  • Works with 12 or 24 volt systems (48 volt option available)
  • Low Voltage Protection that you can program easily
  • Over Voltage Protection (16/32 volts)
  • Short Circuit Protection! I use these as a main circuit breaker for my inverters when applicable
  • Relay input. Use a programmed relay or use victrons system. Whatever you want!
  • Low Current Consumption
  • Its cheap! If you consider the price of a high quality circuit breaker or building a diy over/under voltage disconnect system yourself, this is a great deal.

There are a few sizes, and depending on your application will determine what size you need:

65 amp Click Here
100 amp Click Here
220 amp Click Here

And click here to see the manual to learn how to program it

Copyright  Prowse Publications LLC © 2025
Prowse Publications LLC (www.mobile-solarpower.com) is a participant in the Amazon Services LLC Associates Program,
​an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com
I make a commission for sales made through affiliate links posted on this website
  • Home
  • DIY Solar Packages
    • Handtruck System Builder
    • Off-grid System Builder
    • Hybrid System Builder
    • Mobile Systems >
      • The Minimalist (great for small vans and cars)
      • The Classic 400 Watt (RV's, Vans, Buses)
      • 400 Watt w/ Alternator Charging
      • The Off Grid King (Power Anything!)
  • Solar Batteries
    • 48V Server Rack LiFePO4
    • 48V Vertical Mount LiFePO4
    • 12V Lithium Batteries
    • Raw Cell DIY Batteries >
      • Raw LiFePO4 Cells
      • BMS
    • Battery Capacity Testers
  • Solar Components
    • 50-250W Solar Panels
    • 300W+ Solar Panels
    • Ground Mount Solar Racking
    • Inverters
    • Solar Charge Controllers
    • Battery Chargers
    • Wire and Connectors
    • Fuses and Circuit Breakers
    • Tools
    • Battery Monitors
    • Automatic Transfer Switches
    • Battery Isolators
    • Solar Friendly Air Conditioners
    • 12v Fridges
  • Free Solar eBook
  • Plug-N-Play Systems
    • Full Size Systems
    • Ultra Portable Systems
  • Videos
    • Solar Power for Beginners
  • The Forum
  • How to Mount Solar Panels to a Vehicle
  • Contact Me
  • Policies and Disclaimers