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iTechworld 12V Dual Input DC In Vehicle Battery Charger 20AH


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The iTECHDCDC20 is a 12-volt 20A input In-vehicle DC to DC battery charger designed to charge your vehicle batteries. The iTECHDCDC20 uses your vehicle's alternator to charge batteries.


This dcdc charger can also charge your battery via solar panels through its MPPT solar input section. Maximum Power Point Tracking (MPPT) allows the iTECHDCDC20 to increase your solar panels' efficiency by up to 30% and to charge your batteries most efficiently.


The iTECHDCDC20 utilises state of the art charging profiles to cater for all battery types, including lithium. The best charging algorithms for each charge profile has been designed and developed by iTechworld to optimise charging. You can change the battery charging profile on the iTECHDCDC20 with a push of a button. Whether you have Lead Acid, AGM, Gel, Calcium, or Lithium battery, the iTECHDCDC20 will charge the batteries the quickest and most effective way.


Yes. The iTECHDCDC20 carries a full IP67 rating. The iTECHDCDC20 is entirely dust, water, and vibration proof. Built with a heavy-duty case and mounting brackets that have been explicitly designed to handle vibrations from corrugated roads and to stand up to the harsh Australian environment.


Compact and easy to install, every iTechworld dcdc charger comes fitted with colour coded Anderson connectors. Solar input, DC alternator input, and secondary battery output.

The iTECHDCDC20 comes with an override cable that will force the power to go from the alternator when the vehicle is running.

The iTECHDCDC20 is a must-have for all 12-volt vehicles, and the iTECHDCDC20 is fully compatible with regular alternators and smart alternators.


  • Separate DC and solar charging inputs
  • Fully waterproof to IP67 for under bonnet mounting
  • Maximises the performance and life of your auxiliary battery
  • DC and solar charging
  • The statutory warranty is 12 months from the date of purchase.
  • Suits 12V standard and variable voltage/smart alternators
  • Suitable for:-
  • AGM batteries
  • GEL batteries
  • Standard lead-acid batteries,
  • Calcium batteries
  • LiFePO4 batteries.
  • Dimensions: 210mm*130mm*40mm (L*W*H)


  • 1x iTECHDCDC20 fitted with colour coded and labelled Anderson connectors for easy in-car installation
  • 1x Set of corresponding labelled and colour coded Anderson Plug fittings with cables attached.

Shipping is fast and FREE across Australia for orders over $200. For more details about shipping see the full shipping page here.

We offer 30 Day Easy Returns. If you decide you don't need a product we'll take it back so long as it is in original and re-saleable condition. See the full details here.

Found a better price online? We'll match it or beat it if we can. 

All you need to do is let us know via phone or email ( and we'll let you know what we can do.

You will need to provide evidence of the better price online and it must include any shipping or taxes charged by that site. I.e. It needs to be the total price.

This only applies to new products, it does not apply to used condition products.

We get it. You've got a lot of choice when it comes to online retailers. Here's why we think you should shop with us at The Boating Emporium.

  • Free Shipping Australia wide when you spend $200+. 
  • Price Match Guarantee. Best prices online guaranteed.
  • 30 Day Easy Returns. Not happy with your product, we'll take it back no questions asked.
  • Great Service. We pride ourselves on the best service, anywhere.
  • Your Satisfaction Guaranteed. We handpick our products for quality, we know you'll love them. But is there is ever something wrong, we'll fix it.


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iTechworld offers a 12 month warranty on all products from the date of purchase, unless otherwise stated.  iTechworld warrants its products against defects in materials and/or workmanship. This is further to your rights under the Australian Consumer Law. The warranty period for commercial use is 3 months.

Naturally the warranty cover does not extend to damage caused by normal wear and tear, accidents, misuse, lack of maintenance, neglect, natural disaster, or other external causes; to damage caused by operating the equipment in a manner outside that described in the instructions. The warranty is considered void if the item has been modified, altered or tampered with by a person (or persons) not authorised by us to provide service (not including standard periodic maintenance).

Dead on arrival product is not something to expect when you buy from iTechworld. However, should your item not function on arrival you are entitled to return the product to us for a full refund or replacement at your request. The item needs to be returned and inspected prior to the resolution being provided.