Keep your batteries full and your fridges cold - Ctek D250SA DC-DC Charger Ctek are industry leaders when it comes to setting up a 12v system in 4x4, caravan, campervan, boat or any kind of off-grid 12v circumstance you can imagine. Taking pride in maximising battery performance for your comfort on the road means you can trust their products in your setup. Ctek are ahead of the competition because the constantly push the boundaries or research and innovation to bring the latest in 12v battery technology to the market. This makes it great for extended periods spent on the road or water. The 5 step process supplies 20 amps of charging power to any lead acid battery from 40a/h all the way up to 300ah. The charger has multiple-input technology, meaning you can simultaneously supply charge from your alternator (including smart alternators for newer, hi-tech vehicles), solar panels or even from wind power. Once the intelligent voltage sensitive charger recognises that your deep cycle leisure batteries are topped off, it will supply a maintenance charge output to the vehicle's starter battery to ensure you have full cranking power when its time to fire up the beast. The device is an all-in-one in terms of implying and completing your 12v, off grid setup. It removes the necessity for messy voltage sensitive relays used to split charging between batteries and even means you can throw your cheap solar panel regulator in the bin too, thanks to its MPPT (maximum power point tracking) technology. View our entire range of battery chargers and accessories at your local Repco store or online today.