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Comparison between technologies
The voltage wave shape shows the difference between Active Inverter Technology and a 50Hz charger.
Active Inverter Technology, with its intelligent charging process, protects the battery against overcharging whilst at the same time reducing the charging time. The 50Hz chargers gradually increase the voltage, with the result that charge time is increased and after a certain length of time the battery is seriously overcharged as there is no regulation.
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Whilst Active Inverter Technology uses a constant current for charging, the 50Hz charger starts with a very large charging current which is rapidly reduced by the transformer characteristic. With Active Inverter Technology the charging current is lower, but a better result is obtained since the current is kept at a constant level.
With Active Inverter Technology a battery can be charged in a shorter time than with 50Hz technology although the charging current is the same.
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Chargers based on 50Hz technology perform less well than comparable products that are based on Active Inverter Technology. Lower levels of efficiency, resulting in increased energy consumption, and less efficient charging processes which also take longer, may be quoted here as examples.
Furthermore, the charging voltage with conventional 50Hz battery chargers suffers from a greater initial ripple than is found in comparable products based on Active Inverter Technology. As a result, increased heating up of the battery during charging and increased gassing have a negative effect on the battery's service life.
Differences in the size and weight of these chargers are very obvious. The conventional chargers are cumbersome and heavy because of the 50Hz transformers that they contain.
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