Yes, jump starters are worth it. But don’t just take our word for it. First, let’s talk about how jump starters work. If your car’s battery has died, you can count on a jump starter to give it a jolt … Continue reading →

How expensive is it to replace a car battery? A new car battery costs from R400 to R1500 and your dealer may charge another R300-R800 to have it replaced. How much should I pay for a new car battery? How … Continue reading →

You can use Alkaline batteries year-round without refrigeration for up to ten years at a time, depending on the brand. The only time you need to put them in the fridge is when temperatures soar above 100 degrees Fahrenheit. How … Continue reading →

First, the upright position gives you a better view out of the car. If you’re reclining like a movie tough guy, you can’t really see out. Second (and even more important), sitting with your backrest as vertical as possible gives … Continue reading →

Cordless Mice When you shut down your computer (and even when you put it in sleep mode), your mouse continues to run and drain its batteries. The cost of batteries may be negligible for your office equipment budget, but the … Continue reading →

Basically, the higher the number on the battery, the bigger its capacity and the longer it will run. We recommend you choose batteries with a capacity of 1,900mAh or more so you don’t need to recharge quite as often. Does … Continue reading →

sulphuric acid. Because the basic reactions in the battery involve uptake and release of sulphuric acid molecules, an electrolyte of sulphuric acid is used in these batteries. It is, however, possible to use other electrolytes with the lead-lead dioxide couple. … Continue reading →

Best AGM Batteries Reviews Optima Batteries 8020-164 35 RedTop Starting Battery. Weize 12V 100AH Deep Cycle AGM Battery. Universal Power Group 12V AGM Battery. ACDelco Gold B24R AGM BCI Battery. Renogy Deep Cycle AGM Battery. XS Power D3400 XS Series … Continue reading →

We would find it impossible to describe how batteries work without mentioning ions, because these are the basis for stored electricity. Connecting a charged battery to a device produces a stream of positive ions, and negative electrons. Ions in batteries … Continue reading →

Sodium-ion batteries offer better performance and can operate at a wider temperature range. They work much more efficiently in cold environments, compared to lithium-ion batteries. Another advantage of sodium-ion batteries over lithium-ion batteries is they are nonflammable and there is … Continue reading →

Power is provided by Sony’s newer, better mirrorless battery, the NP-FZ100. Its EVF is a bit less power hungry than larger a7 and a9 series cameras that use the same cell, extending life a bit. The a7C is rated for … Continue reading →

Can you bring a lithium battery back to life? The answer is a definite YES. It is possible to revive a dead lithium-ion battery for you to exhaust its potential before its is ready for disposal entirely. Being rechargeable puts … Continue reading →

Higher brightness also means higher contrast. But Dolby Cinema has 32 fL, much brighter even than IMAX, and its projectors use special processing to achieve HDR. This is the main difference between Dolby Cinema and IMAX: Dolby Cinema has markedly … Continue reading →

The battery chemistry that powers every Energizer® alkaline battery is a precise combination of zinc, high-density manganese dioxide, and potassium hydroxide. An alkaline battery produces electricity when the manganese dioxide cathode is reduced and the zinc anode becomes oxidized. What … Continue reading →

Chlorine bleach is a solution of sodium hypochlorite and water. Chlorine gas is produced when sulfuric acid is mixed with chlorine bleach. What acid is in bleach? Sodium hypochlorite is alkaline, and household bleach also contains NaOH to make the … Continue reading →