12-04-2012 by Editor
There are several different types of batteries that use different technologies for different types of devices. A 9Volt battery is a rectangular battery used in small consumer electronics. D is another type of available rechargeable battery. It is cylindrical and D batteries are referred to as batteries, even though they are really just a D cell. D cells are used for a variety of electronic devices. AA and AAA are used in handheld devices like remotes, digital cameras, model cars. All rechargeable batteries are referred to as secondary cells because they can be charged after they are drained. Since this is formed by acid, a basic chemical solution will do the cleaning trick. Battery acid is actually very easy to clean away with a common household item- baking soda! But still, precautions must be followed. First, you will need to gather supplies for this project.
Because the amount of dirt and corrosion on batteries may differ from one another, battery cleaning will vary, so some of the steps below may or may not need to be performed. Sometimes, to thoroughly remove severe corrosion and dirt, you may even need to remove the battery from the vehicle. Carefully apply it to the outside of the battery and its cable connections with the turkey baster or small funnel. Then, you can use your brush to work the baking soda solution into the heavily corroded areas. If you find that the cable clamps or terminals are badly corroded at the battery, you can disconnect them for easier cleaning.
For this, you may need to use pliers, assorted wrenches and a small battery cable puller to disconnect them. You should disconnect the negative first, followed by the positive. The final step is just reinstalling any part that was removed and tightening everything so it is secure. That is probably the starter solenoid. You can try charging the battery. If it runs down again, then you need to do something. Clean the part on the battery, too. When this happens, usually, the inside part of the clamp and post will create a hard metallic-like surface. This stops the flow of electricity from the alternator to the battery.
When you use the battery’s reserve, it’s gone, no more being put in.
06-04-2012 by Editor
If used on main power, the battery inside a laptop will only last for 12-18 months. Consider removing the battery from a laptop when running on fixed power. Those chips use battery power quickly but also tend to get too hot for the laptop’s tiny case. Actually, many factors affect the amount of time that a laptop battery can deliver power before it must be recharged. Some notebook battery vendors advertise “refurbished” cheap laptop batteries at steeply discounted prices. Don’t get caught with a drained battery and be prepared with a notebook battery from Laptop Travel. Consider replacing laptop or notebook battery when you notice substantial decrease in its run time.
Some notebook battery vendors advertise “refurbished” cheap laptop batteries at steeply discounted prices. You can see that there’s practical value in learning more about acer battery laptop. Can you think of ways to apply what’s been covered so far? But to be able to run your laptop longer without a recharge, it is important to be proactive in managing your battery life. When you buy a replacement laptop battery, you’re just getting a new set of cells to run down. If the laptop does not need the battery it should be run to about 40% charge and stored in a cool place.
Most laptops also run at a higher voltage and clock speed when plugged in, and at lower settings when using the battery. Although this can improve performance, these laptops typically run much hotter and have a significantly reduced battery life. Of course, once you decide on the laptop computer battery you need, you will want to receive it right away.
18-03-2012 by Editor
Here are a few popular choices from Motorola’s range of cell phone batteries Lithium Battery for Motorola ROKR E1 Specifications: Rechargeable Lithium-Ion battery Capacity: 860mAH No memory effect. But the length of time a pda battery can operate is not linear to the amount of energy stored in the battery. They are: declining capacity, increasing internal resistance, elevated self-discharge, and premature voltage cut-off on discharge. These are more complex issues that are beyond user control and are wholly contained within your pda battery and within your device! Declining Capacity Declining capacity is when the amount of charge a battery can hold gradually decreases due to usage, aging, and with some chemistry, lack of maintenance.
Below 80% typically means you have used the practical life of a battery. Loss of Charge Acceptance The loss of charge acceptance of the Li‑ion/polymer batteries is due to cell oxidation. Cell oxidation is when the cells of the battery lose their electrons. This is a normal process of the battery charge creation process. Li‑ion/polymer batteries cannot be restored with cycling or any other external means.
The capacity loss is permanent because the metals used in the cells run for a specific time only and are being consumed during their service life. Internal Resistance Internal resistance, known as impedance, determines the performance and runtime of a battery. It is a measure of opposition to a sinusoidal electric current. The internal resistance of the Li‑ion batteries cannot be improved with cycling (recharging). Cell oxidation, which causes high resistance, is non-reversible and is the ultimate cause of battery failure (energy may still be present in the battery, but it can no longer be delivered due to poor conductivity). Elevated Self-Discharge All batteries have an inherent self-discharge. The self-discharge on nickel-based batteries is 10 to 15 percent of its capacity in the first 24 hours after charge, followed by 10 to 15 percent every month thereafter. Li‑ion battery’s self-discharges about five percent in the first 24 hours and one to two percent thereafter.
At higher temperatures, the self-discharge on all battery chemistries increases.