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Professional energy and charging technology for stationary and mobile applications
STERLING Power Products develops high-quality products for energy management of stationary and mobile units. The focus is on chargers, inverters, high-power regulators for alternators and other devices to optimize power supply. Thanks to its technically well-engineered and proven products, STERLING has become a well-known brand, especially in the world of water sports. For example, the engineers of STERLING Power Products developed waterproof chargers for use in completely exposed areas without protection (open boats or outdoors). Worth mentioning are the STERLING high-performance regulators, which practically turn a conventional alternator to a high-performance alternator with optimum IUoUo characteristics. Learn more about STERLING...

Charging technology from Sterling

- How do I charge my battery efficiently? -

The PRO CHARGE ULTRA convinces with numerous innovative features to optimally charge up to three batteries and ensure long battery life. They are available for both 12V and 24V vehicle electrical systems and in different current strengths.

Suitable for various types of batteries

The Pro Charge Ultra chargers have 11 pre-programmed charging characteristics for the following battery types: Gel, AGM, maintenance-free or open lead acid batteries, calcium or even LiFePo4 batteries.
If your battery is not one of the pre-programmed types, you can easily set and save parameters for the final charge or trickle charge voltage via the device's control panel.

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Charging technology from Sterling

Suitable for various types of batteries