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Enerdrive ePOWER 12V 40A DC to DC Battery Charger

Enerdrive ePOWER 12V 40A DC to DC Battery Charger designed to meet the rugged demands of Australian conditions and deliver multiple source charging for DC systems.

The Enerdrive ePOWER DC2DC Battery Charger is a fully automatic multistage, multi input battery charger with the ability to charge from either an alternator linked to a battery; or via solar power with the in built Maximum Power Point Tracking (MPPT) Solar Controller. With two inputs available, the main/house battery will be charged from either the engine while underway, or via the solar panels when stationary. The process to choose either engine or solar is fully automatic and both functions are controlled from within the unit itself without the need for external relays.

During normal operation the ePOWER DC2DC+ Battery Charger will do a full charge cycle to float stage on the house battery bank with ability to choose either GEL, AGM, Flooded, Custom Programmable or Lithium. Once float stage is reached the charger transitions to a power supply mode to support any on-board DC loads.

12V 40A DC2DC Battery Charger Features

  • Two totally independent DC Inputs for both engine and solar regulation charging one house battery bank output
  • DC M6 screw terminals that will allow for large battery cable connection between all sources
  • A dedicated Maximum Power Point (MPPT) solar regulator
  • The same battery algorithms as included in Enerdrives AC mains ePOWER battery charger including a specific lithium charging profile
  • 40A output up to 40+°C with thermo controlled fan cooling
  • Fully programmable LCD display to show which source is charging the battery along with charger status, voltage and amperage
  • Temperature sensor included in charger for more accurate battery charging

 

Multistage Charging Process

The ePOWER DC2DC+ Battery Charger is a fully automatic, set and forget charger. It is designed to quickly and accurately recharge your deep cycle batteries utilising charger algorithms that help to maximise the life of your specialised deep cycle batteries.

The ePOWER DC2DC+ Battery Charger features multistage smart charging technology that enables the charger to be connected to your battery bank permanently. With the input of multiple sources, you can be assured of charging your batteries whenever underway; or when the sun is shining on your solar array.

As dictated by battery manufacturer’s recommendations, deep cycle batteries require a multistage charge sequence for perfect, fast and accurate charging. The Enerdrive ePOWER DC2DC+ smart charger delivers three primary charge stages.

Stage 1 – Bulk or Boost charge; The battery is charged at full rated output current of the charger until the battery reaches its final charging voltage, known as its absorption voltage. In this step, around 80% of the battery is recovered as fast as possible.

Stage 2 – Absorption Charge; With the charger voltage held steady, the remaining 20% is replaced with the charger allowing the current to taper off as the battery approaches full charge.

Stage 3 – Float; Finally, in the float stage the charger voltage is lowered and held at a constant and safe predetermined level. This prevents the battery from being overcharged, yet allows the charger to supply enough current to make up for the self-discharge losses of the battery, while supporting any additional loads connected to the battery (such as DC lighting and refrigerators). This stage allows for the charger to be used as a DC power supply.

Smart Charging Feature

The ePOWER DC2DC+ Battery Charger will regulate its output based on the loads connected to your battery bank. This function is important to maintain the life of your battery bank as some battery chargers mistake loads for discharge and continue to keep the batteries in the bulk or absorption stage for extended periods of time, which will damage the battery bank. The ePOWER DC2DC+ Battery Charger has two methods of load based regulation to ensure your battery charger transitions to float when it should do so.

Maximising your Solar Harvest using the DC2DC+

The Solar Input on the DC2DC+ unit has a maximum rated INPUT current of 30amps. This means it is optimised for using higher voltage ‘grid’ type modules for best output performance. The maximum achievable output using standard 20Voc solar modules will be approx 35amps @ 14.4Vdc.

 

It’s All About Lithium:


The recent advances in high capacity Lithium battery technology have seen the need to develop a battery charger suited to their needs. With most traditional ‘smart’ chargers their suitability to Lithium batteries is limited. Lithium batteries require a constant current / constant voltage charge algorithm and are unique in that almost every amp-hour of charge delivered by the charger is accepted as one amp hour into the battery, hence the need to deliver a constant current as long as possible. The Enerdrive ePOWER charger can be programmed for Lithium batteries. This setting delivers the full rated output of the charger constantly with the charger switching to power supply mode once the voltage peak is met (indicating a full battery bank). The graph below shows the ePOWER charger algorithm perfectly supporting Lithium battery requirements. Enerdrive Battery Charger Lithium Features ePOWER Battery Charger Display

 

The Display Panel:


The ePOWER 40A Battery Charger display gives you all the information you need for the operation of your charger. At a glance, key information such as charger amps, battery voltage and charge state continually alternate on the screen.When in float / power supply mode, the load amps are displayed so you can see exactly what the charger is doing. The display also allows you to program all settings of the charger, as well as activate the silent mode. Silence when you need it – By pressing the “SEL” button for 5 seconds, the ePOWER Charger enters the ‘Silent’ mode that prohibits the fan from working. This ensures totally silent and safe operation at night, ideal if the charger is located close to your sleeping quarters. Silent mode limits current output to no more than 50%, and is programmed to remain on for 12 hours before automatically returning to a normal ‘fan-on & full output’ setting.

 

Model

EN31220

EN31240

EN31260

EN32430

CHARGER OUTPUT

Output Current (Maximum)

20A

40A

60A

30A

OUTPUT VOLTAGE RANGE

Charge

14.2 – 15.5 V

28.4 – 31.0V

Float

13.4 – 13.8 V

26.8 – 27.6V

– Equalize

16.0 V

32.0V

Charging Control

Four stages (Bulk/Absorption/Float/Maintenance)

Two stages (Bulk/Absorption)

Constant Power Supply (Program setting)

Priority Battery Bank Charging

DC Output Bank

Three (1 fully independent, 2 common with diode isolation)

Selectable Battery Type

Gel, AGM, Flooded, Lithium, Program

Standby Current

< 2 mA

CHARGER INPUT

AC Input Voltage (Nominal)

90 to 265 VAC

AC Input Operating Range

207-265 Vac (2.0 A Max)90-125 Vac (3.8 A Max)

207-265 Vac (3.8 A Max)90 – 125 Vac (7.7 A Max)

207-265 Vac (5.9 A Max)90-125 Vac (11.3 A Max)

207-265 Vac (5.9 A Max)90-125 Vac (11.3 A Max)

AC Input Frequency Range

47 – 63 Hz

Power Consumption

350W (Full Load)

700W (Full Load)

1050W (Full Load)

1050W (Full Load)

Power Factor Correction

Yes

Charger Efficiency

> 82%

PROTECTION AND FEATURES

Reverse Polarity

Yes, (with user replaceable fuse/s)

Over Charge

Yes, unit shutdown

Over Temperature

Yes, unit de-rated and shutdown

Output Short Circuit

Yes, (with user replaceable fuse/s)

Cooling

Forced air ventilation (thermo controlled fan)

Temperature Setting

Hot, Normal, Cold (no sensor connected)

Battery Temp Sensor Port

RJ12 (standard battery temp. sensor supplied)

DISPLAY

LCD Display (with back light)

Charging status, Battery Voltage, Output Current & Fault Codes.

AC INPUT AND DC OUTPUT CONNECTION

AC Input Connection

IEC with Supplied 1.2M Power Lead

DC Output Connection

Heavy Duty Terminal (3 banks) – Pan Heads 6mm Thread

DC Output Ground

Single Heavy Duty Common Ground Stud

ENVIRONMENTAL AND OPERATING TEMPERATURE

Storage Range

-40° to 70° C

Operating Range

-20° to 60° C

Humidity

5-95%, relative humidity non-condensing

Ingress Protection

IP32 (Basic drip proof in vertical orientation)

Base Unit Weight and Dimensions

Weight: (kg)

2.4

2.6

4.0

4.0

Dimension: (mm) L x W x H

295 x 206 x 86

295 x 206 x 86

356 x 206 x 99

356 x 206 x 99

Optional Accessories

Remote Digital Display / Enerdrive Part Number EN3REM

Regulatory Compliance

Complies with AS/NZS 60335.2.29 Including Australian deviations.

 

 

 

Installation available upon request (Gold Coast) Please call or email us for a quote 
E. sales@premiumdiagnostics.com.au
Ph. 1800 955 731


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Product will come with a five year warranty

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