BLUETTI D40 DC-DC Battery Charger

C$219.00

C$219.00 ~~C$299.00~~ - C$80.00

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Compatible Models: BLUETTI AC200L
12V / 30A, 400W Max. DC Output
Compatible with LiFePO₄, AGM / Gel, Lead-acid, and Calcium Batteries
Charge RV House Battery via AC200L / Solar Panels / Starter Batteries
House / Starter Battery Protection
Charge up 12V RV Appliances

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Features
Tech Specs

D40: Plug-and-Play DC-DC Battery Charger for AC200L

Elevate your power experience with the D40, a compact and robust DC-DC battery charger meticulously crafted to complement our formidable AC200L power station. Engineered with cutting-edge electronic protections and input-to-output isolation, the D40 guarantees utmost efficiency and safety in every charge.
Simply integrate D40 into your RV or marine vessel, enhancing your power capabilities with reliable and efficient charging.

Universal Compatibility

The D40 offers unparalleled compatibility with diverse battery types, including LiFePO₄, AGM / gel, lead-acid, and calcium batteries.
Furthermore, when paired with the AC200L, the D40 can fuel all your 12V loads. Whether you're navigating the open road or setting sail on an adventure, the D40 ensures a hassle-free journey with reliable power delivery.

Empowering Various Sources

Unlock the true potential of your power with versatile output options of D40. Whether drawing power from the AC200L, solar panels, or the starter battery, the D40 charges your house battery or DC devices with ease. Experience uninterrupted power supply with optimal convenience and performance.

Seamless Control, Effortless Power Management

With the D40's intuitive interface, streamlining your power management has never been simpler! It features clear indicators and user-friendly controls, allowing you to stay informed with real-time charging status, fine-tune settings, and more.

Never Run Out of Power

Suitable for various occasions

Camping with lots of electronic gear.

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Specifications

General

Charging Power:

400 W

Weight:

Approx. 2 kg / 4.4 lbs

Dimensions (L × W × H):

232.7 mm × 180.7 mm × 69.2 mm / 9.2 in × 7.1 in × 2.7 in

Working Temperature:

-20°C to 45°C / -4°F to 113°F

Storage Temperature:

-20°C to 50°C / -4°F to 122°F

Working Humidity:

10% to 90%

Noise:

43 dB Max.

Working Altitude:

Up to 2,000 m / 6,561 ft

Protection Grade:

IP20

DC Output

Current:

30A Max. 20A Max. (AC200L and other BLUETTI portable power stations)

Voltage:

Lead-acid 14.4V Max.
LiFePO₄ 14.4V Max.
AGM / gel 14.7V Max.
Calcium 15.4V Max.

Load Mode:

12V / 20A (AC200L and other BLUETTI portable power stations)

DC Input

48V DC :

45V to 60VDC

PV / Starter Battery:

12V to 36VDC, 20A Max.

In The Box

D40 works perfect.

I use the D40 to charge my 100ah Mini's, it works great. I use solar panels directly or through my 200L.

A little too sensitive and too low output in load mode but overall pretty good

I have this installed in my cargo trailer conversion by running it to a fuse panel and then out from there to run a diesel heater, exhaust fan with a variable speed control, security system and some usb's. The D40 wouldn't work for the variable speed control as it givs a fault when the unit starts up and runs the polarity check, it shuts down with an alarm. This can be bypassed if I pull the fuse for the variable speed fan before starting the D40 and then after it does the polarity check, I can put the fuse back in and everything runs fine. I ended up taking the variable speed fan off of thhat circuit and running that through the 12V port on the AC200L and it works fine there. Also it would be helpful if we could raise the output of the D40 from approximately 300 watts to possibly 400 do allow a bit more of a buffer for when loads like the diesel heater start up. That load alone can be upto 150 watts for about a minute when the glow plugs are on and then it settles down to about 30 watts to run but when you add theat to the other things on the D40 circuit, 300 watts is a little too low. I used to run ths same load (fuse panel with a diesel heater, exhaust fan with a variable speed control, security system and some usb's) on my AC200P using the seperate circuit and the Bluetti avaition plug to the fuse panel and had no problem but the load capacity on the AC200P was a little higher. Overall the D40 works in is good but I would like the output to be 400 watts and for some way to not have the variable speed control trigger the alarm on start up.

I love the Bluetti units, I have an AC200P, AC 200L, EB70, EB3A and my brother has also puurchased the EB3A and AC70 because of my experience with the products. I you ever would like someone to try out one of your units to give you feedback, let me know because units I own and have used, have been great. I use them of offgrid camping and a vanlife type application.

Keep up the great work.

Thanks and have a great day,

Jason Pond
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exellent

exellent

Bluetti D40 DC-DC

I really want to like this item; it has the potential to be great but is only good. Very limited in what it can do. It is a good battery charger and does offer one option, (12V/20amp) to output slightly more than the built-in 12V/10amp cigarette plug. It’s tragic that it does not allow you to select different output voltages such as 24V or 48V. It’s also a negative as it only outputs DC charge and does not allow to input a DC charge, like if you want to charge the AC200L battery from another DC source. If you want to charge 12V batteries almost any type this is a nice solution. Its too bad that Bluetti missed the mark on this product by limiting its functionality to essentially just two tasks - charging 12V batteries and offering a single dc output of 12v/20amp.

BLUETTI D40 DC-DC Battery Charger