Insert your battery into the charger, if the 6-volt battery is nickel or lithium-based. Simply insert the battery into the charger compartment, ensuring you match the “+” and “-” terminal on the battery to the corresponding “+” and “-” terminals … Continue reading →

Red Energy. In NSW, Red Energy came out on top, scoring top marks for overall satisfaction, value for money, customer service, bill and cost clarity, ease of sign up, focus on environmental sustainability and online tools and advice. Red Energy … Continue reading →

The failure of an SMPS, in most of the cases, is because capacitors lose their properties over time. High (local) temperatures and high output current capabilities make the degradation happen even sooner. The ESR of the capacitor increases over time … Continue reading →

The serial number of the charger is written on a grey label affixed to one side of the charger. How do I find the part number on my laptop charger? It is typically in the bottom right corner of the … Continue reading →

This will run your battery dry and create a thermal runaway scenario, which is very dangerous. Again, some people use a 12V charger to get their 6V battery jump started, but it is never advisable to use a 12V charger … Continue reading →

black wire. Recognize that the black wire is the positive one, the white wire is the negative one, and the green wire is the ground. How can you tell which transformer is positive and negative? In an audio amplifier there … Continue reading →

You only need to connect the batteries for a minute. Immediately then put the dead battery into the charger. If this even works, it will take several charge/discharge cycles for the NimH battery to regain some capacity. What do you … Continue reading →

Inverter AC runs on AC current, not on DC current, and it doesn’t have any battery in it or with it. Here, the term “inverter” make confusing for some people. Because the device inverter is used to convert DC power … Continue reading →

Yes, it is safe as long as you don’t short out the battery. The battery’s voltage is not an issue, as almost all routers contain an internal regulator, especially when they do not use a lower voltage power supply. However, … Continue reading →

Notice that in both AC electricity and DC electronics, there is a black wire. But in AC electricity the black is hot (“positive”) whereas in DC electronics black is for negative. What color is positive AC? redWire Colors for DC … Continue reading →

neutral. The neutral is the hot for a two-prong plug. The neutral is connected to the ribbed conductor and the hot is connected to the non-ribbed conductor. Which is the hot wire on a 2-prong plug? Determine which of the … Continue reading →

②This USB desk fan only consumes 2.5 watt per hour to run silent on the highest and saves around 95% power than traditional AC fans. Do USB fans use a lot of electricity? Compact USB fan that can be used … Continue reading →

Overcharging destroys batteries quickly. Undercharging destroys batteries too, but more subtly as the battery stratifies and will no longer maintain a charge. How long should you charge a 6 volt battery? For 6v batteries, the first charge should be 10 … Continue reading →

Unlike AC power, 24V DC does not require the use of personal safety equipment. Maintenance can be performed safely on energized circuits. If an accident occurs that exposes 24V DC wiring, there is no potential for personnel injury. Is 24V … Continue reading →

The easiest way to replace a cigarette lighter with USB is to just toss the lighter portion and plug in a low profile 12V USB adapter. Some 12V USB chargers are big and bulky, but there are a number of … Continue reading →