The Sterling Power Saturn BB1240 is a 12V to 12V, 40A bi-directional battery-to-battery (DC-DC) charger, designed for safe and efficient charging of auxiliary batteries from a vehicle's alternator, including modern "smart" alternators as fitted to Euro 6 vehicles.
Compatible with various battery types, including lithium-ion and lead-acid, and features a high efficiency buck-boost design.
Key Features and Specifications
Function: Charges a secondary (house/leisure) battery from a starter battery/alternator while the engine is running.
Compatibility: Works with both standard and smart (Euro 6+) alternators.
Efficiency: High efficiency of 95-98% due to its buck-boost design.
Battery Types: Features 6 preset charging profiles for different battery types (Lead I/II, AGM I/II, Lithium I/II).
Bidirectional Charging: Can also charge the starter battery from the leisure battery (approx. 20A) if there is surplus power, ideal when using solar or shore power on the house bank.
Jump Start Assistance: Includes a jump start assistance mode to provide a boost to the starter battery if it is depleted.
Activation Modes: Can be activated via an ignition feed, vibration sensor, or voltage sense, offering flexible installation options.
Safety: Offers multiple self-recovering protections, including under/over voltage, over current, and over temperature, as well as a low temperature trip for lithium batteries.
Dimensions & Weight: Measures 165mm x 130mm x 56mm (L x W x H) and weighs 0.8kg.
Supplied Individually
All Prices Shown Are Exclusive Of VAT
A user manual for this product can be viewed here