12V to 28V 40A 1120W DC DC Step Up Converter Voltage Regulator Intelligent Charger Automatically Charging 24V Lead-acid Battery
Estimate delivery times: 12-26 days (International), 3-6 days (United States).
Return within 30 days of purchase. Duties & taxes are non-refundable.
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12V to 28V 40A 1120W DC DC Step Up Converter Voltage Regulator Intelligent Charger Automatically Charging 24V Lead-acid Battery
Wide input voltage from 12V RV or other Vehicles
Works for appliances from 0AMP to 40AMP automatically
Charges a 24V lead-acid battery
The charger works only when the engine is on
( If you charge the auxiliary battery from the primary battery without vehicles, this charger can't work. Please contact us about another model. )
ACC enable (The charger is 100% off when the ACC turns off)
100% full rated power
100% full stable output current
100% burn-in test
High-efficiency up to 96%
Waterproof sealed
Cooling by free air convection
Surface mountable
3-year warranty
Over-current, over-voltage protections
Over-temperature protection
According to:
EN 61000-6-3:2007/A1:2011/AC:2012
EN 55014-1:2006/A2:2011 EN 60950-1:2006/AC:2011
Notes:
Do not operate converters in parallel.
Do not connect inputs to solar panels.
Efficiency: 95%
Input Voltage: 12V DC
Output Voltage: 24V
Output Current: 40A
Ripple: 200mVp
Line Regulation: ±0.2%
Load Regulation: ±0.2%
Voltage Accuracy: ±1.5%
Enclosures: IP68
Dimension: 150*130*50mm
Net Weight: 1.6kg
Operating Temperature: -40~85°C
Certificates: CE, ROHS
Datasheet in detail. Please download.
📦 Choose your shipping origin according to your needs:
- 🇨🇳 CN (China Warehouse): May incur local customs duties; please check your local customs policies before purchasing.
- 🇺🇸 US (United States): US buyers should select "US" to avoid customs fees.
- 🇪🇺 EU Buyers: Required to provide an EORI number for smooth customs clearance.
- ⚡ EU-DDP (Delivered Duty Paid): Exempts you from customs duties, with an estimated delivery time of around 20 days.








