Some have the option of adding additional external batteries. They usually have a set of batteries internally and are designed to keep a computer running for a short while in the event of a power cut. These are bits of equipment that plug into the wall socket and a computer plugs into them. Small UPS’s are more commonly found sitting under desks in offices and larger units in network and server cabinets. No, it’s not one of the brown short wearing parcel delivery guy’s….
These are probably more commonly known as a UPS. I’ll skip the second type for the moment and go on to the Inverter/Charger type. Remember, only inverters with a rating of 180 watts should be plugged into your accessory socket or you risk exceeding the fused current rating. Compact or lightweight are usually rated up to about 200 to 300 watts and because of the cost are usually of the modified sine wave type – read through Understanding Inverters to get to know the different types of inverter and how they work. The compact or lightweight inverter is one that will usually plug into your 12 volt accessory socket in the car, caravan or boat. Well, there are three main categories of inverter – Compact or Lightweight, Heavy Duty and Inverter/Charger. I have not put any links in as manufacturers often update their sites but you can search for them as “Universal Auto/Air Laptop Charger” Companies such as Lenovo, Kensington and Targus offer such devices. For laptops, it’s a bit more difficult, but there are options. An older style phone may need a dedicated 12 volt charger, but modern smart phones can usually be charged via a USB port and there are a number of products that offer USB charging from 12 volt ‘cigarette lighter’ type plugs.
There are a number of manufacturers offering a wide range of products for charging your mobile devices. What are we wanting to power? If it’s that you need to charge your mobile phone or laptop, then maybe an inverter is not the best way of doing it. So you have decided that you need to run some mains powered equipment when away from home and your caravan or boat is not plugged into an EHU or Shore Power.īefore we look into the options for inverters and what to look out for, we have to ask a few questions first.
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