Battery : Power in the journey
Who wants to buy is not always fresh laptop batteries for cameras and music players, invest in rechargeable batteries. Eventually, the discharged current donors up to 1000 times more recharge, promises to advertising. But beware: Error loading reduced performance and life of a battery dramatically. COMPUTER IMAGE tells you what to consider when buying batteries and chargers.
For which devices is worthwhile to batteries?
For all devices, which consume a lot of power in a short time. For digital cameras, music player and flashlight Latitude D820 Battery are therefore better than batteries. Although batteries are in AA (AA) - or micro format (AAA) with about 5 euros more expensive than batteries (75 cents). But an AA battery replaced during its lifetime 200 batteries.
What type of battery is best?
It depends on the intended use. A good price-performance ratio offer the popular nickel Metallydrid batteries. But for some purposes are nickel-cadmium batteries, lead and lithium-ion Dell Latitude D520 Battery cells better. COMPUTER IMAGE describes the advantages and disadvantages of different types of the next page in this guide.
How long does a battery last?
Many manufacturers advertise the Dell Inspiron 6000 Battery with claims such as "up to 1000 times rechargeable. But each discharge - this is the complete discharge of the battery marked by prolonged disuse - and every overloading damages the battery. In practice, most power sources to create around 400 charge cycles.
What should I consider when buying a charger?
Buy only chargers that are suitable for the type of Inspiron 6400 Battery . Not every device can load as antiquated nickel-cadmium cells. And for lead or lithium batteries, you need a device with constant voltage. Good chargers have the following features:
- * Microprocessor control: It ensures that the battery is fast, but also gently loaded.
- * Power Off: You know when your Dell Latitude D830 Battery is full (see picture above right).
- * Maintenance Mode: The device thus determines the battery is charged and discharged completely before recharging it, the so-called "memory-preventing effect". This effect occurs especially for nickel-cadmium Dell Latitude D800 Battery : they are often discharged only partially formed in the interior of crystals. Result: The battery stores less energy.
- What types of chargers are available?
- * Universal Chargers: load except AA or AAA batteries, including 9-volt batteries, flashlights, or thick blocks (Baby or mono cells) with high capacity Dell Latitude D620 Battery. They are available from 25 euros.
- * Compact charger with microprocessor control: they make up to four Sony VGP-BPS8 AA or micro-cells in three to four hours afloat again. They are have over 21 euros.
- * Fast-Chargers: This "turbo-charge" batteries to make it operational in 15 minutes. But for up to 6 amps to flow (that's the measure of the strength of electricity), and this shortens the life span to about 250 charge cycles. Most devices do not make it to recharge standard batteries in fifteen minutes altogether. A little bit longer's in practice already.
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