Magnum Energy MS2012-20BL — 2000W 12V Pure Sine Inverter/Charger (100A Charger, Dual 20A Breakers)

Heavy-duty 2000W pure sine inverter/charger for RV and off-grid systems. Built-in 100A PFC charger reduces generator load, with dual 20A AC output breakers and transfer capability. ETL listed for mobile/renewable use. 

Key features

• 2000W continuous / 3300W surge pure sine output @ 120VAC, 60Hz. 12V DC input (operating range 9–16.8V). 
• Integrated 100A, power-factor-corrected (PFC) charger—uses ~25–30% less AC current from a generator than standard chargers.
• Dual 20A AC branch breakers included (-20BL variant). 
• ETL listed: UL/cUL 458 (mobile) and UL 1741 / CSA C22.2 #107.1 (renewable); meets KKK-A-1822E for emergency vehicles. 
• 90.6% efficiency; low-frequency topology for robust start-up of heavy loads. 
• Works with Magnum remotes (ME-ARC, ME-RC, ME-MR) and supports preset battery profiles (Gel, Flooded, AGM1/2; LFP via specific remotes). 

Specifications

• Model: MS2012-20BL (MS Series) 
• Inverter output: 120VAC ±5%, 60Hz ±0.1Hz; 16.7A max continuous. 
• Continuous power / surge: 2000VA / 3300W (5 sec). 
• Charger: 100A DC, multi-stage (Bulk/Absorb/Float). PFC. 
• Battery voltage: 12V nominal (operating 9–16.8V). 
• Operating temp: −20°C to +60°C (−4°F to 140°F). 
• Efficiency: ~90.6%. 
• Dimensions (L×W×H): 13.75 × 12.65 × 8.0 in (34.9 × 32.1 × 20.3 cm).  
• Weight: 42 lb. (19.1 kg); shipping weight ~50 lb.
• Certifications: UL/cUL 458; UL 1741; CSA C22.2 #107.1-01.
• Warranty: 3 years, parts & labor.

What’s in the box

• MS2012-20BL inverter/charger
• Two 20A AC output breakers (-20BL models)
• Owner’s manual (MS Series) 

Compatible accessories (add-ons)

• Remote panels: ME-ARC Advanced, ME-RC Standard, ME-MR Mini.
• Battery temp sensor (if not already included with your system) for accurate charging. (See MS Series manual.) 
• Magnum breakers, transfer/AC panels, and mounting hardware as required by install.

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