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BLUETTI D40 DC-DC Battery Charger

by Bluetti
|
SKU: A-BM-D40-UF-O9V15V4
$199.00

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Authorized Bluetti Dealer

Authorized Bluetti Dealer

Friendly Lifetime Support

Friendly Lifetime Support

Easy 30-Day Returns

Easy 30-Day Returns

BLUETTI D40 DC-DC Battery Charger Enhance Your Power Flexibility and Reliability

Are you tired of limited power sources during your camping, RV, or marine adventures? The BLUETTI D40 DC-DC Battery Charger is your ultimate solution to expanding your energy independence with seamless, efficient, and safe charging capabilities. Designed to perfectly complement the BLUETTI AC200L power station, this compact yet powerful charger ensures you stay powered up wherever your journey takes you.

The BLUETTI D40 DC-DC Battery Charger is engineered to provide effortless and reliable charging for your 12V batteries, including lithium iron phosphate (LiFePO₄), AGM, gel, lead-acid, and calcium types. Whether you're in an RV, on a boat, or off-grid in nature, this device is built to meet your diverse power needs. Its plug-and-play design makes installation straightforward—no complicated setup, just connect and start charging.

Don’t let limited power sources hold you back. The BLUETTI D40 DC-DC Battery Charger is the perfect addition to your mobile and off-grid power setup. Whether you're enhancing your RV's energy system, maintaining your marine batteries, or preparing for emergency power, the D40 delivers dependable, efficient charging with peace of mind.

 

BLUETTI D40 DC-DC Battery Charger Features

Universal Battery Compatibility for All Types

Supports LiFePO₄, AGM, gel, lead-acid, and calcium batteries, making it perfect for any RV, boat, or off-grid project. Easily charge your different batteries with one reliable device, saving time and money.

Fast and Efficient Charging Power

With a maximum output of 400W and 12V / 30A current, the D40 quickly charges your batteries. It saves time and ensures your power system is ready for use, even during long trips or off-grid adventures.

Safe Operation with Advanced Protections

Built with modern safety features like overcurrent, overvoltage, and reverse polarity protection. These ensure your batteries and devices stay safe while charging, giving you peace of mind during all your outdoor activities.

Easy Plug-and-Play Installation

Designed for simple setup, just connect the D40 to your power sources and batteries. No complicated wiring needed. It’s quick, easy to use, and perfect for anyone wanting reliable power without technical hassle.

Versatile Power Sources for Flexibility

Charge from multiple sources including your AC200L, solar panels, or vehicle starter batteries. This flexibility means you can generate power from solar, mains, or your vehicle, keeping your batteries charged anywhere.

Compact and Durable Design

Small and sturdy, the D40 fits easily into tight spaces and withstands outdoor conditions. Its rugged build makes it suitable for camping, boating, or RV use, so you can trust it in all outdoor environments.

Real-Time Power Monitoring and Control

Clear LED indicators show charging status and system health. User-friendly controls let you manage your power easily. Keep informed about your batteries and ensure optimal use with just a glance.

BLUETTI D40 DC Warranty

BLUETTI provides a 1-year limited warranty policy, ensuring the absence of defects in materials, workmanship, and performance during the warranty period.


What's Included

  • 1 x BLUETTI D40 DC-DC Battery Charger

BLUETTI D40 DC-DC Battery Charger Specifications

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
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)
48V DC 45V to 60VDC
PV / Starter Battery 12V to 36VDC, 20A Max.


BLUETTI D40 DC-DC Battery Charger Manual

BLUETTI_D40_DC-DC_Battery_Charger_Manual

Common Customer Questions

Get answers to the most frequently-asked questions customers ask before placing an order.

Is Outbound Power an Authorized Dealer?

Yes! Outbound Power is an Authorized Dealer for every single brand and product on our store.

How long will it take for my order to arrive?

Shipping times vary depending on your location and the product or products ordered.

Order Processing Time
Most products are processed within 1-3 business days. If there is a delay in processing your order, we will alert you with as much information as possible about what to expect.

After order processing is complete, you will receive tracking information to monitor your order while it is in transit.

Order Shipping Time
Following processing, it may take between 3 and 8 days to arrive, depending on your location.

Please refer to the product page for your item and reference the estimated delivery time frame for more details.

Additionally, you can see the estimated delivery time frame during checkout and receive a tracking number once your order ships.

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Everything on our store ships for free. Really!

What is Outbound Power's return policy?

Most items may be returned within 30 days of delivery. Please refer to our Returns & Exchanges policy to determine what items are eligible. Returns are not accepted beyond 30 days following delivery.

Are Outbound Power products used/old/refurbished?

Everything sold on our website is brand-new.

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