SKU: 27235149733

NLDC-40 DC-DC 40 Amp Charger

Sale price$312.75 Regular price$347.50
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Ships within 48 hours · Estimated delivery Aug 13 - Aug 18

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Description

NLDC-40 DC-DC 40 Amp ChargerThe NLDC 40 from National Luna is a DC to DC battery charger and isolator for a dual battery system. It will charge an auxiliary or service battery from a vehicle alternator or Solar panel up to 40A output current. Traditional 12V and 24V vehicle alternators as well as variable voltage alternators are supported. The integrated MPPT solar controller provides a maximum output power of 600W, but can support solar panel input wattage higher than this.

The NLDC-40 from National Luna is a DC to DC battery charger and isolator for a dual-battery system.

It will charge an auxiliary or service battery from a vehicle alternator or Solar panel up to 40A output current.

Traditional 12V and 24V vehicle alternators as well as variable voltage alternators are supported.

The integrated MPPT solar controller provides a maximum output power of 600W, but can support solar panel input wattage higher than this.  Solar panel voltages up to 42V can be connected.

The NLDC-40 features a 6-stage charge algorithm that is suitable for any Lead-Acid battery type as well as automotive Lithium-Ion batteries.

In addition to the alternator and solar inputs, the NLDC-40 features a dynamic DC power input that accepts DC voltages from 11V to 32V.  An advanced load-response algorithm is used to support DC sources with variable power levels.  This allows alternative energy sources such as AC-DC power supplies, wind generators, or DC generators to be used.

The NLDC-40 will automatically switch between the input sources based on source availability.

3 safety stages analyze the battery and can detect batteries that are damaged and unable to accept charge.

Temperature compensation is used to optimise the output voltage, ensuring safe and full battery charging under various conditions.

The NLDC-40 supports the connection of a remote monitor that displays information about the system and battery levels to the user on a high-contrast LCD screen.

The NLDC-40 has a IP67 rating for harsh environments and is protected against reverse-polarity, over-voltage, over-temperature and over-current conditions.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 27235149733

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4.4 ★★★★★
Based on 26 reviews
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A
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arisa
Louisville, US
★★★★★ 4
Great quality case, keyboard doesn’t work as intended
Color: Dark Cherry
Case is fine and good quality but the keyboard doesn’t work as intended. Bluetooth connects great but the keyboard is formatted incorrectly. For example, when I try to use a dash, it puts an apostrophe instead. I have no idea how to reformat it myself. I’d love just a replacement keyboard
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 31, 2026
M
Verified Purchase
Mia Thacker
Fort Morgan, US
★★★★★ 5
Worth it!
Color: Pink, Color: Pink
Great buy! Worth the money and the color is nice. The keyboard works, some buttons I haven’t figured out but for the most part it’s worth the purchase!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 20, 2026
M
Verified Purchase
Ms Rene Butts
Waukegan, US
★★★★★ 5
Nice colors
Color: Yellow
This was a perfect choice for my iPad. The color is very vibrant easy to put on and its sturdy will buy again in another color.
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Reviewed in the United States on May 17, 2026
B
Verified Purchase
Bernie
Cuba, US
★★★★★ 5
Keyboard is magnetic to cover so it doesn’t fall out
Color: Pink
Absolutely love this ! My iPad fits perfectly in this and the keyboard is touch sensitive which I like and the color combo on the keyboard makes it fun ! Definitely will recommend this
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Reviewed in the United States on June 11, 2026
K
Verified Purchase
Kat
Battle Creek, US
★★★★★ 5
Great quality case and keyboard
Color: Purple, Color: Purple
Super good quality case, I was actually surprised since it’s such a good price. It fit my 10.9 inch perfectly! Keyboard has magnetic attachment to the case which is super handy, and it connected with Bluetooth seamlessly. Keyboard isn’t silent, it’s on the louder side, but not too loud at all and it doesn’t bother me at all because I prefer clickier keyboards. Oh also something that’s really cool is that you can change the colors of the keyboard, love that!
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Reviewed in the United States on April 10, 2026

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