Battery charge tips

Laptop Batterty Charge

Li-ion comes partially charged. You can use the laptop battery right away and charge it when needed. it is better to recharge more often; avoid frequent full discharges.On batteries with a fuel gauge, allow a full discharge once a month to enable reset Full charge termination occurs by reading the voltage level and charge current. Charging a full battery is safe and does not cause harm.

When fully charge, the charger automatically cuts the charge current when the battery is full. A laptop may be connected to the AC when not in use.

Best to store at 40% charge or 3.75-3.80V/cell open terminal. Cool storage is more important than state-of-charge. Do not fully deplete battery because Li-ion may turn off its protection circuit.

Exercise the Battery. Do not leave a charged battery dormant for long periods of time. Once charged, you should at least use the battery at least once every two to three weeks. Also, do not let a Li-On battery completely discharge. (Discharing is only for older batteries with memory effects)

When charging the laptop battery for the first time your charging device may indicate that charging is complete after just 10 or 15 minutes. This is a normal phenomenon with rechargeable batteries. Simply remove the battery from the charging device and repeat the charging procedure.

It is important to condition (fully discharge and then fully charge) the laptop battery every two to three weeks. Failure to do so may significantly shorten the battery’s life (this does not apply to Li-Ion batteries, which do not require conditioning). To discharge, simply run your device under the battery’s power until it shuts down or until you get a low battery warning. Then recharge the battery as instructed in your user’s manual.

Never, ever try to charge nonrechargeable batteries such as disposable carbon-zinc, alkaline or lithium cells. It’s dangerous—some types can overheat and even explode—and it just plain doesn’t work.

Although rechargeable batteries may be refreshed by charging, they still suffer degradation through usage. Low-capacity Nickel Metal Hydride (NiMH) batteries (1700-2000 mA·h) can be charged for about 1000 cycles, whereas high capacity NiMH batteries (above 2500 mA·h) can be charged for about 500 cycles.

1):When you prepare to charge for your Dell laptop battery ,make sure the temperature is around the room temperature.
2): Most battery can be fully charged in about 3 hours so do not leave a battery in a charger for a long time.
3): Do not charged to higher voltages than its threshold voltage ,as it would become unsafe. Especially need to pay attention is avoid over-charging and over-discharging.
4): Please notice this: It is not very distinct to reduce the charge time by increasing the charge current .
5)When your laptop adapter is working, it can disturb your radio and TV. So take multi-charger away from them.

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