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New Energy Defa Universal Emergency Fast Charger Warmup Heater 12A 20A 35A Wireless Lead Acid Electric Vehicle EV Charger Battery for Car Multicharger System

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Nanjing Shunmei Science & Technology Co., Ltd.

Audited Supplier 5 years

Profile Certified by SGS/BV

Jiangsu, China
Ashirly (Ms.)

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Model NO.:

DF-CG-001

Rated Power:

45W/65W/125W

Charging Current:

12A/20A/35A

Input Voltage:

160~250V

Type:

Lead-Acid Battery Charger

Charging Type:

Electric Charger

Trademark:

DEFA

Transport Package:

Paper Box

Specification:

200*98*53

Origin:

Norway

Product Description

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 that is most efficient we have conducted the following tests:
Car #3 with Euro 6 diesel engine tested with contact heater, PTC heater with pump and coolant element heater

Conclusions:

** A contact heater is most efficient in order to preheat the engine block and oil

** A contact heater will increase the temperature in the engine oil approximately 30-350C more than a coolant element heater

** A contact heater will increase the temperature in the engine block approximately 20-250C more than a coolant heater

** A coolant heater will increase the temperature at the cylinder head approximately 300C more than a contact heater

** By using a coolant heater the cabin temperature will for the 16 first minutes of the drive be 3-50C above the same as for a contact heater (based on the same assumptions).

** Both the contact heater, the PTC coolant heater and the conventional coolant element heater are all almost reducing regulated emissions and fuel consumptions at the same level (less than 2% variation)

** A contact heater (300W) will normally use 42% less energy to preheat the engine, compared to a coolant heater (550W)

** Cold start: a cold-started car reach 20 degrees Celsius (measured at the interior mirror) after approximately 18 minutes driving. With WarmUp installed you start the drive with 220C in the cabin.

** A contact heater will increase the temperature in the engine oil, and ensure the evaporation of diesel in the system to work in cold conditions.

Emission different heaters related to a coldstart

Application

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