Official opening: VICTRON-Competence Centre, Klagenfurt

A little over a year ago Victron Energy in association with Austrian Victron Energy dealer E-BOX Off-Grid Power Systems, together with HTL1 Lastenstraße and their headmaster Dr. Michael Archer forged a partnership to utilise Victron Energy products for their varied educational program – to build a ‘Competence Centre’.

As a result on Thursday, 5th December 2018, the new VICTRON-Kompetenzzentrum (VICTRON-Competence Centre) for ‘Renewable Energy and Storage Technology’ was opened at the school.

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BatteryProtect gets Smart

BatteryProtect is one of those smaller but much sought after products, one that is shipped in the many thousands. The latest version now has Victron ‘Smart’ tech.

No more fiddling with wires to program, as the new Smart BatteryProtect uses VictronConnect over Bluetooth to simplify and reduce setup time.

Smart BatteryProtect is used to disconnect a battery from non-essential loads before it is completely discharged (which would damage the battery) or before it has insufficient power left to crank an engine for example.Continue reading

DIY ingenuity: Hydro Power MkII – Part II

Just over a year ago there was a blog about Hydro Power, in which Markus Pauritsch used a Victron  MPPT solar charge controller loaded and driven by a Pelton wheel water turbine to charge his off-grid cabin battery system in the Austrian Alps.

As you may also recall a few weeks ago we left the subsequent blog: DIY ingenuity: Hydro Power MkII – Part I at the point where the rebuilt system (after a storm) and his neighbour Werner’s brand new (joint venture) system were at the testing stage. But how did that go, did it all work?

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Lead acid battery charging in cold weather

This blog covers lead acid battery charging at low temperatures. A later blog will deal with lithium batteries.

Charging lead acid batteries in cold (and indeed hot) weather needs special consideration, primarily due to the fact a higher charge voltage is required at low temperatures and a lower voltage at high temperatures.

Charging therefore needs to be ‘temperature compensated’ to improve battery care and this is required when the temperature of the battery is expected to be less than 10°C / 50°F or more than 30°C / 85°F. The centre point for temperature compensation is 25°C / 77°F.

Cold weather also reduces a battery’s capacity. This is another factor that needs to be taken into consideration, along with the load and charge rate compared to the battery capacity (Ah). Both of these factors affect the correct and consequent sizing of a battery for your particular application.

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