iTechworld

Premium 4WD Dual Battery Kit

240Ah Lithium

The iTECHDCDC40 keeps your battery charged no matter the battery type or size.

The iTECHDCDC40 charger incorporates an MPPT solar controller allowing charge from solar panels or blankets. When the vehicle runs, the DCDC charger will charge via the alternator; when the vehicle stops, the iTECHDCDC40 will continue charging via your solar panels/blankets (if added).

Exclusive to iTechworld DCDC chargers is a function known as Solar Power Priority (SPP) which represents the preference for solar input. This allows you to set your iTECHDCDC40 to use solar input over the vehicle alternator's input at the push of a button. Solar Power Priority places less load on the alternator, is better for the environment and helps to reduce fuel consumption.

Designed and developed in Australia for Australia, the iTECHDCDC40 is IP67 Waterproof, Dustproof and vibration-proof. Built with a heavy-duty metal case uniquely designed to help with heat dispersion, the iTECHDCDC40 is suited and warranted for under-bonnet installation. Mounting brackets are included in the case design, allowing for easy installation in your setup.

Many vehicles now have smart alternators that do not produce a high enough voltage to charge auxiliary batteries; the iTECHDCDC40 works by enhancing the voltage to the auxiliary battery regardless of the alternator type; the enhancement of voltage is also valuable for overcoming voltage drop from long cable runs to caravans and camper trailers.

If your car has a smart alternator, the iTECHDCDC40 has you covered with its easy-to-connect 3-pin Anderson, which allows operation with any alternator.

A unique feature of the new iTECHDCDC40 is the ability to accept a wide voltage input range from either solar or vehicle input, with the maximum input voltage now being 32v. As the iTECHDCDC40 accepts higher input voltages, it opens the door to 24v inputs as well as some larger voltage solar panels commonly found in residential installations.

The new iTECHDCDC40 is compatible with all battery types but comes into its own when paired with iTechworld lithium batteries. All iTechworld lithium batteries have low voltage protection and will enter "safe mode" to protect themselves when their voltage dips below 10v. There are various methods to bring an iTechworld lithium battery out of safe mode, but the new iTECHDCDC40 will get an iTechworld lithium battery out of safe mode automatically; if the lithium battery enters safe mode, turn off any load on the battery and the iTECHDCDC40 will take care of the rest, it's that simple.

Package Contents

• 1x iTECHDCDC40
• 6x Colour coded Anderson Connectors (3 are pre-installed to the iTECHDCDC40)
• 1x Instruction manual also found HERE

Note: This wiring kit is suitable only for the iTECHDCDC25 and iTECHDCDC40.

Featuring a three-pin 50 amp Anderson-style connector with ignition wire, the Plug & Play DCDC Wiring Kit is designed with the user in mind. Our premium plug-and-play kit makes installation a breeze. The kit has been carefully crafted for easy DIY fitting and now includes a pre-installed 80amp Maxifuse for added convenience.

The new and improved wiring kit also features a three-pin 50 amp Anderson-style plug, making it completely plug-and-play for any system that uses Anderson connectors for charging input. With our 80amp Maxifuse cable pre-installed into six meters of heavy-duty 8 B&S cable, the wiring kit provides 50A of circuit protection.

The built-in ignition wire into the three-pin Anderson connector allows for even easier installation, removing the need to run multiple cables through your vehicle. This cable is pre-crimped with Anderson connector terminals, making it easy to run through holes and grommets. Once the cable is run, clip the Three Pin Anderson connector on.

The kit also includes cable ties for securing the main cables giving you everything you need for a professional wiring installation. Make connecting your 12V dual battery system hassle-free with the iTechworld Ultimate Dual Battery System Wiring Kit.

The iTECHBM500 Battery Monitor with Shunt is a high-precision, real-time monitoring system for complete control over your power usage. Using a 500A current shunt, it accurately measures discharge and recharge currents while calculating the total Ampere-hours (Ah) flowing in and out of your battery. This level of precision monitoring gives you insight into the true state of your battery’s health and performance.

The field-installed sense wiring delivers real-time, high-accuracy voltage measurements to prevent over-discharge and maximise battery life. Just like all iTechworld power solutions, our battery monitors with shunts are durable, making them ideal for use in caravans, 4WDs, campers, marine environments, and off-grid setups and compatible with lithium-ion, lead-acid, and nickel-metal hydride batteries.

The Key Benefits at a Glance:

• Real-time monitoring: Accurately tracks voltage, current, power and amp-hours for complete visibility.

• High-precision battery monitor with shunt: Promises reliable and consistent data.

• Battery protection: Helps prevent over-discharge and supports longer battery life.

• Easy installation: Includes all required wiring and mounting hardware.

• Rugged design: Built for the harsh Australian outdoors; resistant to vibration, dust and moisture.

• Broad compatibility: Works with lithium (LiFePO4), AGM, gel, and lead-acid batteries.

Package Contents

• 1 x iTECHBM500 Battery Monitor

• 1 x Shielded Wire (8m)

• 1 x 500A Shunt

• 1 x Plastic Bracket

• 4 x Screws

• 1 x Shunt Holder

• 1 x B+ Sense Wire 22AWG (1m)

• 1 x Instructions

Support

iTECHBM500 Wiring Diagram

Download the User Guide

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