Active Inverter Technology for a uniform charge
As conventional lead batteries cannot cope with the frequent vehicle restarts that are a feature of start-stop technology, only AGM batteries or the slightly cheaper EFB variants can be used. Both systems work reliably under these particular conditions and ensure cycle stability. A special fibre mat absorbs the electrolyte in AGM batteries and the active material in EFB batteries. While EFB solutions were developed for simple start-stop functions, the AGM battery also supports energy-saving functions in the vehicle.
To ensure optimum capability of the AGM batteries, only voltage-regulated charging devices (14.4 V) with the IU charging characteristic should be used. Overcharging, i.e. voltages over 14.4 V result in a shorter service life and may invalidate the warranty. All battery charging systems in the Fronius Acctiva range can be used to charge Absorbent Glass Mat (AGM) batteries and Enhanced Flooded Batteries (EFB). If required, the voltage on the Acctiva Professional 35A and the Acctiva Professional Flash can be set on the display to match the manufacturer's specifications.
Individual display settings to match manufacturer's specifications
Harald Scherleitner, head of the Battery Charging Systems division, is keen to point out the other advantages of the Acctiva Professional 35A and Acctiva Professional Flash battery charging systems: the direct current maintains the battery temperature at a constant minimum level. The AGM batteries have their own refresh characteristic. The characteristics react to the battery status, i.e. they detect whether a battery is full, sulphated or empty. The Acctiva Professional 35A also immediately detects any incorrect rated voltage settings (6 V, 12 V or 24 V). The cell short circuit detection device also provides appropriate user protection during charging. A temperature sensor is also available if required. The optional USB adapter makes the device a completely future-proof addition to any workshop, while the "snap-in" wall bracket gives it a permanent storage location.
Fronius devices with Active Inverter Technology charge smoothly and gently with regulated characteristics. Overcharging is not possible. Acctiva chargers manufactured by this Austrian family business are suitable for all battery technologies currently on the market, including sensitive AGM and EFB batteries.
Acctiva Professional 35A
The intelligent Acctiva Professional 35A battery charging system overcomes every obstacle, whether in car or commercial vehicle workshops or construction and agricultural machinery. Not just because the charger guarantees a constant voltage during fully automatic charging, diagnosis and flash operations. With an animated user guidance display, operation has never been so easy. The professional Fronius device has also been enhanced with some new display languages.
Acctiva Professional Flash
The Flash is a 70 A electronically safe battery charger with a rapid-charge function. It supplies the vehicle with current even during diagnosis and re-programming of the vehicle's software. The integrated USB port ensures that the charger is completely future-proof, thus permitting easy loading of software updates.
The Austrian company has been developing Active Inverter Technology for 20 years. "Our Active Inverter Technology offers intelligent, digitally controlled charging, is 100% electronically safe, very efficient, has a positive effect on the battery and works in record time", enthuses Harald Scherleitner.
Special features of this intelligent charging technology include superb levels of electronic safety, constant power throughout the entire charging process, compact construction and the highest safety standards. There are no dangerous voltage peaks like the ones associated with 50 Hz chargers. Even the current wave shape of Active Inverter Technology is impressive compared with 50 Hz technology: with 50 Hz transformer technology, a high current is generated at the start of the charging process, which then drops rapidly. With Active Inverter Technology, the current remains constant until the battery reaches 80% of its capacity. This technology facilitates a controlled and safe charging process, a long battery service life and a compact construction. This is in stark contrast to the 50 Hz technology still employed by some manufacturers, which, in addition to being extremely heavy and posing a risk of overcharging, is limited in its application and has no safety functions.
Voltages on the Acctiva Professional 35A and Acctiva Professional Flash can be set on the display to match the manufacturer's specifications, whereas the other Acctiva devices work with the standard 14.4 V characteristic. In addition to Acctiva Professional 35A and Flash, the Acctiva product family includes Acctiva Easy, Multicharger, Seller and Standard.
Fronius production processes not only employ modern technology, they also conform to the latest standards. Modern production facilities in Austria work to an ISO-certified production process using only quality components. All battery chargers are tested to determine their average service life, i.e. their mean time between failures (MTBF). The production of the certified battery chargers has a real net output ratio of 80 to 85%.
These values are the result of the continuous development carried out by Fronius. Fronius battery chargers have been specifically designed for professional use. Success does not come cheaply: 392 employees work in research and development alone. With 737 active patents, Fronius is a global technology leader. Numerous manufacturer approvals prove that the investment is paying off. From its base in Wels, Fronius is confident that it is well equipped to meet any future battery charging system challenges.
Fronius International GmbH
Froniusplatz 1, A-4600 Wels
Tel. +43 / (0)7242 / 241 6436
Fax +43 / (0)7242 / 241 95 2560