📋 Basic Specification
Model NO.
DF-CG-001
Input Voltage
160~250V
Battery Type
Lead-Acid Battery Charger
Charging Type
Electric Charger
Trademark
DEFA
Specification
200*98*53
Origin
Norway
Production Capacity
20000 set/Month
DEFA Warmup Heater 12A 20A 35A EV Battery Charger Multicharger
🔍 Description & Setup
⚙️ Contact Heater vs Coolant Heater
In order to evaluate which engine heater concept is most efficient, we conducted tests with Euro 6 diesel engines using contact heaters, PTC heaters, and coolant element heaters.
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A contact heater is most efficient for preheating the engine block and oil.
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Temperature Increase: A contact heater increases engine oil temp by approx. 30-35°C more than coolant element heaters.
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Engine Block: Increases temperature approx. 20-25°C more than a coolant heater.
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Energy Efficiency: A 300W contact heater typically uses 42% less energy compared to a 550W coolant heater.
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Cold Start: With WarmUp installed, the cabin starts at 22°C compared to reaching 20°C only after 18 mins of driving in cold starts.
🚀 Application & Certificates
🌍 Global Sales Areas & Examples
🏭 Factory Overview
❓ Frequently Asked Questions
Q1: What is the input voltage range for this charger?
The charger supports an input voltage range of 160V to 250V.
Q2: Which battery types is the DEFA Multicharger compatible with?
It is specifically designed for Lead-Acid batteries and commonly used for EV and vehicle battery maintenance.
Q3: Why is a contact heater better than a coolant heater for oil?
A contact heater is more efficient at preheating the engine block and oil, increasing oil temperature by 30-35°C more than coolant heaters.
Q4: How energy efficient is the DEFA contact heater?
A 300W contact heater typically uses 42% less energy to preheat the engine compared to a standard 550W coolant heater.
Q5: What is the production capacity for this model?
The current production capacity is 20,000 sets per month.
Q6: What is the origin of the DEFA product line?
DEFA products are originated from Norway.