More about Battery (455)

| Just yesterday I was publicly pondering a possible EV purchase, I see one major drawback: the long charging times. A few solutions are alrea...

| For load currents up to 4 A the author has used a bistable relay to disconnect the load on a 12 V battery to avoid deep-discharge. How can w...

| During the past year the author has built a standalone solar panel system, which included the construction of the panels themselves. Such a...

| PP3-size 9 V batteries (IEC: 6LR22) have a considerably poorer price/energy ratio than 1.5 V AA (IEC: LR6) cells. This makes it all the more...

| On a sailboat, the condition of the battery is a major concern for obvious reasons. On the author’s boat, a 120 Ah lead-acid battery is char...

| Most hobbyists will have some tools that are battery-powered, such as a drill, screwdriver or power scissors. Unfortunately (and especially...

| LiPos are becoming the cell of choice for a growing range of mobile applications. What exactly are 2s, 3s and 4s battery packs and why do th...

| Mili launched the Power Skin for iPhones doubling your iPhone battery life. It's the world's thinnest external battery and protective case f...

| Here’s how three Elektor readers came up with an idea for a fully automatic fast charger to keep the batteries in prime condition. This low-...

| These days many components and microcontrollers are designed for low-voltage operation and can be powered directly from a battery. For vario...