Battery Management

The Merlin SmartGauge is renowned as The World’s Most Accurate Battery Monitor. It’s also the easiest to install and use. Let’s face it, unless you...

Battery Combining is the industry accepted “Best Method” for split charging batteries. Combiners work in the same way as a VSR. However, Connect Vo...

The Merlin M-Power Voltage Sensitive Relay (VSR) is quick and easy to install and provides automatic “fit and forget” split charging for lighter du...

This Merlin DC/DC Charger unit acts like a battery charger. However, it uses DC power instead of AC power. When the engine is running, the unit wil...

Drawing 12V power from a 24V battery bank is not as straightforward as it may seem. Simply ‘tapping’ 12V from one of the batteries in the 24V bank ...

PowerGuard is essential for anyone who’s life or livelihood depends on batteries. By automatically switching batteries off before they become flat,...

Datacell 1 Battery Monitor – provides Battery Voltage and State Of Charge Information for up to 4 independent battery banks. These may be 12 or 24V...

Datacell 2 is Merlin's most advanced Battery Monitor. Independent tests by the US Army, Government Laboratories and EnerSys (the World’s largest ba...