Inverters; Battery-Based
Off-Grid Inverter / Charger

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Magnum RD3924 Inverter Charger

magnum RD3924
  • RD3924 Inverter / Charger
  • The Magnum Energy RD Series Inverter / Charger is a new generation modified sine wave inverter designed specifically for renewable energy use. The RD Series is powerful, easy-to-use, and best of all, cost effective. Power Factor Corrected (PFC) Charger: Magnum's PFC charger is built into all of Magnum inverter chargers. It uses less energy from a generator than a standard charger, using 25-30% less AC current than standard chargers. Safe and reliable: The RD Series is ETL Listed to the stringent requirements of UL 1741 (USA only), ensuring that the inverter is safe and reliable. Easy-to-install: Install the RD Series in four easy steps: simply connect the inverter’s output to your distribution circuits or electrical panel, connect your power cable (AC) to the inverter’s easy-to-reach terminal block, connect the batteries, and switch on the power.
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Battery Based Renewable Energy Systems / Off-grid Power / Back-up Power

Model Part Number Watts Input Voltage Output Voltage Type Amps Continuous Charge
Magnum RD3924 Inverter 03002328 3,900 24 VDC 120 VAC Modified Sinewave
105 ACD (45*C)



  • 12 and 24 volt models
  • Versatile mounting
  • Lightweight
  • Multiple ports
  • Accessible design
  • Convenient switches
  • Expanded transfer relay
  • Backed by a two-year (24-month) limited warranty


magnum energy

What's In The Box

  • Magnum, RD3924 battery inverter, 3900W, 120VAC, 60Hz, 30A Transfer, 24VDC, Modified Sine, Off Grid, 2 Yr Warr, 105A Charger, with BTS


controller shipMagnum Inverter / Chargers ship in 2 - 3 business days after funds clear.


Optional Accessories Part # Price  
1 - ME-RC-50 Magnum Energy Remote Control Monitormagnum monitor BP2910000dc
2 - 250 Watt Canadian Solar Panels CS6P-250P; 1 - Midnite Solar Midnite Solar, Classic Lite 150, MPPT Charge Controller, 150VDC, 96A, 12-93V Battery, with BTS, no LCD; 1 - 50' 10 AWG PV Wire BP9200360pv charge controller
ME-BMK Battery Monitor Kit with Shuntmagnum battery monitor BP9915942shunt kit
ME-AGS Network - Magnum Automatic Generator Start used with ME-RC 50auto generators start BP2911442generator power
ME-AGS-S Stand Alone - Magnum Energy ME AGS-S Generator Start Module, Stand Alonerv inverter BP2921442marine RD3924
ME-MW-W MagWeb - Wireless Monitoring Kit / The ME-MW-W MagWeb - Wireless Monitoring Kit is a powerful and cost effective tool for remotely monitoring your Magnum Energy’s inverter and accessories.magnum energy BP2944002rv kits


off-grid inverter 
dc inverter
off-grid inverter

Magnum RD3924 Inverter Charger Marine / RV / Home Emergency Battery AC Backup

Magnum RD3924 Inverter Charger will change the direct current (DC) power from stored energy in batteries, and convert it into alternating current (AC) electricity that home, RV or Marine owners can use to power T.V.s, refrigerators other electronics.

To evaluate your power requirements look at the name plate of the largest electronic appliance you want to run then look at the watt and surge rating of the Magnum RD3924. Your inverters consistent power capacity and surge capacity should allow a + 25% calculation safety factor when measured against the highest energy demand of your appliance.

rv RD3924 inverterIMPORTANT SAFETY INSTRUCTIONS: It is the responsibility of the purchaser to ensure that all products are installed and operated in accordance with local and national building codes as specific by the NEC (National Electric Code), UBC (Uniform Building Code) or IBC (International Building Code) and local utility company policy. This product is designed for indoor or protected compartment installations. DO NOT expose the inverter to rain, snow, moisture or liquids of any type. Use insulated tools to reduce the chance of electrical shock or accidental short circuits. Remove all jewelry such as rings, watches, bracelets, etc. when installing the Magnum inverter or any other electronic gear. Always disconnect the batteries or energy source prior to installation or performing maintenance on the Magnum RD3924 inverter. Live power may be present at more than one point since an inverter utilizes both batteries and AC electricity. Turning off the inverter may not reduce that risk. Always verify proper wiring prior to starting the inverter. Do not operate the inverter if it has been damaged. Always read and follow the manufactures installation and operating instructions for the Magnum RD3924 inverter charger prior to installation and operation.