Try these tips to prolong your Compaq Presario A909US battery life:

1)Keep your laptop battery cool – Compaq A909US Battery power saps more quickly when the battery is hot. Keep vents clear and don’t put your laptop on a pillow or other surface that will cover vents and trap heat.

2)Don’t keep your laptop plugged in – If you rarely unplug your laptop, you’re leaving it in a state of perpetual charge at 100 percent. That’s bad for the Compaq Presario A909US battery’s long-term health. Unplug it on occasion and let the battery drain.

3)Put your computer to sleep when not in use) – If you’re taking a break, let your computer take one as well.

4)Remove the battery if you’re working at your desk for a while – When you remove the Compaq Presario A909US battery, don’t store it fully charged. Aim for the middle: between 40 and 50 percent.

5)Close nonessential programs – The more your computer does, the more Compaq Presario A909US battery power it requires. Close any programs or background applications you’re not using.

6)Disable wifi – Obviously there are times that having wireless internet is required, but for your next presentation or writing marathon, save your Compaq Presario A909US battery (and your focus) by turning it off.

7)Disable screen savers – Complex moving images are tough on your battery. Don’t opt in for them.

8)Turn off Bluetooth – Turn off your laptop’s Bluetooth when you’re not connected to a phone or other peripheral.

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