Downloading a movie or new app can quickly eat up battery life. Try this: Before you leave home, download TV shows and movies through the Netflix app on your Apple iOS or Android smartphone. Does video use more battery? If … Continue reading →

But don’t be alarmed — yet. Just leaving your phone plugged into your car doesn’t mean your battery will drain. Many cars require that the keys be in the ignition and turned to the “accessory” position for the battery to … Continue reading →

How do I extend the power of a USB cable? Extending a USB Connection With a USB Extender. Connect the extender’s transmitter to a USB port on your computer. Hook up one end of an Ethernet cable to the converted … Continue reading →

Moreover, when you see all the LEDs fully lit, it means that the power bank is fully charged and you can disconnect it from the power source. How much time does a power bank take to fully charge? Usually, a … Continue reading →

The Z5 does not have a built-in flash. It does have the regular Nikon hot shoe up top, and is compatible with all the recent CLS (i-TTL) Speedlights. One thing to note: flash sync speed is 1/200, not 1/250, and … Continue reading →

The C1 function button next to the camera on/off switch / shutter release is used for changing the Focus Mode by default. I personally prefer to keep that function in the C1 button, but you can change it to one … Continue reading →

To download the latest version of Adobe Flash Player plug-in, please go to http://get.adobe.com/flashplayer/. The download is free and installation only takes a minute or two on a 56k modem. Can I download Adobe Flash Player for free? Is Adobe … Continue reading →

The report says you can expect that name to carry over to consumers, in part because Apple already uses another cable called Thunderbolt, so the two go hand in hand. The Lightning name might also signify that the cable may … Continue reading →

Battery Type settings for L-series COOLPIX cameras Alkaline LR6/L40 (AA-size) alkaline batteries COOLPIX (Ni-MH) Nikon EN-MH2 rechargeable Ni-MH (nickel metal hydride) batteries Lithium (default settings) FR6/L91 (AA-size) lithium batteries What batteries does Nikon Coolpix use? Nikon Coolpix L120 Digital Camera … Continue reading →

The higher the voltage, typically, the more cells that are in the battery pack. So when comparing a 40V pack to a 20V pack, in most cases the 40V pack will have more cells which means more power capacity available. … Continue reading →

“ The total weight of the 192 cells is 151 kg (332 lbs) — that’s the part that really stores energy — to which the steel boxes, plates, wire harnesses and electronics add another 144 kg (316 lbs) for a … Continue reading →

It is calculated by multiplying the battery voltage wih the capacity (in ah). The following example illustrates it: A 20V and 40V battery feature a capacity of 4.0 ah each. Hence the batteries can store energy of 80 wh (20V) … Continue reading →

One way to increase the capacity of a battery is to connect a similar battery in parallel. The capacity of the pair will be the sum of the capacities of both. The capacity of a battery can also be expressed … Continue reading →

Ekonk. According to Vazirani, it is the lightest electric vehicle ever made. The Ekonk, which is primarily built of carbon fiber, comes in at just 1627 pounds. To put that into perspective, a Model S Plaid weighs 4941 pounds. Which … Continue reading →

Li-ion batteries. Compared to the other high-quality rechargeable battery technologies (nickel-cadmium or nickel-metal-hydride), Li-ion batteries have a number of advantages. They have one of the highest energy densities of any battery technology today (100-265 Wh/kg or 250-670 Wh/L). Which has … Continue reading →