Our Favorite DCDC charger great for all battery types including lithium.

We use this for all installs needing more than 30amps of charge capacity especially if needing to update the Solar charging.

Key Features:

Versatile Charging: Suitable for all battery types, including lithium, AGM, gel, and flooded batteries, with customizable settings.

High Capacity: Provides more than 30 amps of charge capacity, making it ideal for high output loads and solar charging updates.

Multiple Inputs: Features two separate DC inputs for engine/start battery and solar panel charging, with an MPPT solar regulator.

User-Friendly: Includes a programmable LCD display showing charging source, charger status, voltage, and amperage. Offers multistage smart charging technology for efficient battery management.

Specifications:

Model: EN3DC40+
Output: 12V nominal, 40A-50A maximum, 775W
Input: 14.5-45V for solar, 10.5-16V or 21-32V for start/alternator
Dimensions: 242mm x 172mm x 74mm
Weight: 1.85 kg (shipping weight 2.17 kg)
Efficiency: 95%
Maximum solar input: 45V/800W
Operates up to 40+°C with fan cooling

This charger is perfect for bus builds, taking 24V down to 12V, and can be permanently connected to your battery bank for continuous charging from multiple sources.

Our favourite DCDC charger for high output loads.

We use this in all our bus builds as it can take 24volts down to 12volts.

Suitable for AGM batteries but can easily have settings changed to support Lithium.

So if you need to upgrade but are not ready to change to Lithium, then this is a great choice.

Two separate DC Inputs for engine/start battery and solar panel charging to a single house battery bank
M6 screw terminals
Maximum Power Point (MPPT) solar regulator
The same algorithms as used in the AC mains ePOWER battery charger.
GEL, AGM, Flooded, Lithium with the ability to create a full custom profile
Vehicle input of either 12 or 24v
Maximum solar input of 45V/800W
40A output
up to 40+°C with fan cooling
Programmable LCD display to show which source is charging, along with charger status, voltage and amperage

DC 2 DC 40+amp Battery Charger/ MPPT Reg

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

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.

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.

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