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If you are looking for the best DC to DC charger money can buy, Enderdrives ePOWER EN3DC40 12v/40a DC to DC Battery Charger is our top pick. This Enerdrive ePOWER 40a/12v EN3DC40 DC to DC charger truly stands out from its competitors. Engineered to perfection and manufactured to the highest possible quality, it's easy to see why Enerdrive is quickly overtaking the market. The Enerdrive ePOWER 40a/12v EN3DC40 DC to DC charger is a fully automatic multistage, multi-input battery charger that has the capacity to charge from solar power using the integrated Maximum Power Point Tracking (MPPT) Solar Controller or from an alternator connected to a battery. The main/house battery can be charged from any of the two accessible inputs: the engine when moving, or the solar panels. Both functions are managed internally by the device itself without the use of external relays, making it completely automatic to select between the engine or the solar power.
With the option to select GEL, AGM, Flooded, Custom Programmable, or Lithium, this dc to dc charger will perform a full charge cycle to float stage on the home battery bank during regular operation. When float stage is reached the dc to dc charger switches to a power supply mode to handle any on-board DC loads.
Dc to Dc chargers Multiple-Stage Charging Method:
The fully automatic, set-and-forget ePOWER EN3DC40 Enerdrive dc to dc charger is made to properly and quickly recharge your specialised deep cycle batteries using charger algorithms that extend the life of your batteries.
The multistage smart charging mechanism in the ePOWER dc to dc charger enables the charger to be permanently linked to your battery bank. You can be confident that your batteries will be charged while you are moving and when the sun is shining on your solar set up thanks to the input from different sources in this dc to dc charger. Deep cycle batteries require a multistage charge sequence in accordance with the instructions provided by the battery manufacturer for flawless, quick, and precise charging. Three primary charge stages are provided by the Enerdrive ePOWER EN3DC40 40a/12v dc to dc charger.
Stage 1: Bulk or boost charging; the battery is charged at the charger's maximum rated output current until it reaches the absorption voltage, which is the battery's final charging voltage. Around 80% of the battery is restored as quickly as the dc to dc charger can in this process.
Stage 2: Absorption Charge: The remaining 20% is replenished while the charger voltage is kept constant, and as the battery gets closer to full charge, the dc to dc charger allows the current to taper down.
Stage 3: Float. The dc to dc charger voltage is decreased and maintained at a steady, safe level throughout this stage. By doing this, the battery is kept from being overcharged while yet allowing the charger to deliver enough current to compensate for the battery's self-discharge losses and support any additional loads attached to the battery (such as DC lighting and refrigerators). This phase enables the dc to dc charger to function as a DC power source.
Adaptive Charging Function:
The loads connected to your battery bank will cause the ePOWER dc to dc charger to adjust its output. Since some dc to dc battery chargers misinterpret loads for discharge and hold the batteries in the bulk or absorption stage for protracted periods of time, damaging the battery bank, this function is crucial to preserving the life of your battery bank. To make sure that your dc to dc charger transitions to float when it should, the ePOWER dc to dc charger offers two ways of load-based regulation, making it one of the most advanced battery chargers available.
Features:
| Model | EN3DC40+ |
|---|---|
| Output Rating | |
| Output Voltage | 12V Nominal (8.0V min) |
| Output Current (Maximum) | 40A ~ 50A |
| Output Power | 775W |
| Charger DC Output (CH1): | |
| Selectable Battery Type | Gel, AGM, Flooded, Lithium, Program |
| Charger Voltage Range | 13.8V – 15.5V |
| Float Voltage Range | 13.0V – 13.8V |
| Charger Current (User Selectable) | 5/10/15/20/25/30/35/40/45/50A (default 40A) |
| Equalize Voltage (Flooded Battery) | 15.5V |
| Equalize Charging Current | 10% of Bulk Current Setting |
| Charging Control | 2 stage / 3 stage selectable (Default 3 stage) |
| DC Output Bank | Single |
| Current draw from CH1 when not in use | < 50mA |
| Battery Temperature Setting | Low/ Normal/ High (Battery Temperature Sensor Standard) |
| Efficiency | 95% |
| INPUT Rating (CH2 – MPPT Solar) | |
| Input Voltage | 14.5 – 45VOC |
| Maximum Input | ≤ 23V input, 500W (600W allowable) ≥37.5V-45V input, 750W (800W allowable) |
| INPUT Rating (CH3 – Start/Alternator) | |
| Input Voltage | 10.5 – 16VDC / 21 – 32VDC |
| Dimensions | |
| Height x Width x Depth | 242mm x 172mm x 74mm |
| Unit Weight | 1.85 Kg |
| Shipping Weight | 2.17 kg |
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
| Panel Array | Rated Wattage & Volts | Open Circuit rating | Estimated DC Amps Output (## See Below) |
|---|---|---|---|
| 1 | 150watt @ 20Voc | 150watts | 10 |
| 1 | 200watt @ 43Voc | 200watts | 13 |
| 2 | 150watt @ 20Voc | 300watts | 21 |
| 2 | 200watt @ 43Voc | 400watts | 27 |
| 3 | 150watt @ 20Voc | 450watts | 31 |
| 3 | 200watt @ 43Voc | 600watts | 42 |
| 4 | 150watt @ 20Voc | 600watts | 35* |
| 4 | 200watt @ 43Voc | 800watts | 47** |
| 5 | 150watt @ 20Voc | 1000watts | Not Recommended |
| 5 | 200watt @ 43Voc | 1000watts | Not Recommended |
* Maximum achievable output on the DC2DC+ unit when using 20Voc Solar Panels will be the approx 35amps. ** Maximum achievable output on the DC2DC+ unit when using 43Voc Solar Panels will be the approx 47amps.
Detects live input and output power feeds from solar panels, fridges and or batteries. Giving you real-time information on your 12-volt system. Perfect for when you are off camping or out in the 4wd with the family making it super simple to monitor your dual battery system.
| Measurement | Range |
| Amps | 0-200a peak (50a Continous) |
| Volts | 0-60V DC |
| Produced Power Wh | 0-6554Wh |
| Amp Hours | 0-65ah |
Most orders will be dispatched in 3-5 business days of payment confirmation. As we continue to adapt to the current climate we are also working within limitations regarding shipping times, supplier stock levels, and labour. As such, there may be a delay in the dispatch and delivery of some goods. For anything urgent, please Contact Us to check on stock levels and delivery times.
Returns Policy
Outback Equipment is committed to customer satisfaction. If you are unhappy with any product you receive, simply contact us so we can work with you to resolve the issue as quickly as possible.
Under the Australian Consumer Law there are a number of consumer guarantees that entitle you to return a product and obtain a replacement or refund under certain conditions. In all instances we strongly recommend that you make contact with us before sending any items back.
Incorrect or damaged item sent
If Outback Equipment has sent you a different product from what you have ordered, we are truly sorry and really didn’t mean to, items can also be damaged whilst on their way to you unfortunately, for which we are sorry and want to correct as soon as possible. Please take a few photos of what you have received (any part /item numbers visible would be a great help) and send them to Returns . We will do our best to have the incorrect item returned as soon as possible and the correct item sent out to you. You do need to advise us however within 5 business days from the time of delivery and before the item has been used, unpacked from its manufactures packaging or fitted.
Faulty Product
Under the Australian Consumer Law, you can choose a refund or exchange if an item has a major problem. This is when the item:
Warranties
If a product is defective, please contact Warranties as soon as you are made aware of the problem. A repair, replacement, or refund will be organised and will generally occur after consulting with the manufacturer or supplier.
Any repairs that may need to be carried out will be done so by the manufacturer and not by Outback Equipment. If a repair cannot be made, then Outback Equipment will endeavour to have the item replaced or a refund will be offered.
Note: Goods are only warranted for defects in manufacturing. The standard warranty across most products is 12 months unless otherwise specified by the manufacturer.
Warranty DOES NOT COVER:
Damage resulting from improper use
Damage caused by faulty installation or modification made during installation, Damage caused by mould, insects, animals, misuse, incorrect operation, adverse weather, accidents and fair wear and tear
Costs, losses or charges of removing and reinstalling the product for travel and /or other expenses due to customer’s location for transport charges and damage in transit. It is your responsibility to deliver and pick up your product, including any costs associated with the postage of your repair or replacement product. If you do freight your product, we recommend that you insure against loss or damage
Change-of-mind or incorrect choice
For any purchases where a change-of-mind occurs or an incorrect item has been chosen, you have up to 30 days from time of delivery to return the product (at your own cost) for an exchange. Refunds are not available for a change of mind. Please contact Change of Mind if you are considering returning an item These items must be returned in their original, undamaged condition, in the original packaging prior to an exchange being made for the value of the item, Once the returned item is received , it will be assessed to ensure it is in the original condition and packaging, if the item isn’t in full resalable original condition the returns department will assess, a restocking fee may be applied based upon the assessment.
Change of mind exchanges will be for the amount paid for the product only.
Return shipping
Please contact Outback Equipment before returning any items.
If a product is deemed faulty and is required to be returned, Outback Equipment will provide a Postage Paid label. This only applies to claims made within 60 days from purchase. Any claims made outside this period will be considered a warranty claim and postage will therefore need to be incurred by the customer.
For any change-of-mind or incorrectly chosen purchases that need to be returned, the cost of return postage will be incurred by the customer.
Fitment or Assembly of Goods
For goods that require fitment or assembly our return policy cannot extend beyond the value/cost of the item ordered. This is in large part because the performance of these items is dependent on correct fitment, assembly, and operation. The part must only be fitted by a qualified person. Failure to comply with manufacturer’s specifications may result in property damage, severe injury, or death.
Goods should also be carefully inspected for marks, scratches, or any damage prior to installation. No warranty claims of this nature will be accepted once fitted or modified.
Estimated Delivery Time Frame: 1-23 business days
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