"The life of a laptop battery today will be about 500 positions. For most users, 2-3 years is a typical lifespan of a laptop battery.
Diagnostic procedures of the Dell User Guide are:
The lack of total energy in the use of a battery
If an AC adapter is not connected to the computer, the power source is a battery XPS M1330. If the battery indicator flashes amber or amber is a constant, the battery needs charging. If the battery is flashing green and amber, the battery may be defective. To resolve this problem, use the following procedure.
1. Turn off the computer and peripherals, and disconnect the AC power.
2. Replace each battery installed and later replaced by removing WR050.
3. Turn on your computer. Does the indicator light turns green?
Allow one minute for the computer to initialize its components before checking for signs of power.
Yes Continue with step 4.
No. Use the AC adapter to connect your computer to the network. If the computer works normally when using AC power, go to step 7. If the computer does not start when using the AC adapter from Dell, see the "total blackout in the use of the Dell XPS M1330 Adapter."
4. Does the battery indicator flash amber or show aa steady amber light?
Yes, the battery needs charging. Go to Step 5.
No. Go to step 7.
5. Connect to AC power and fully charged battery Dell XPS M1330.
For instructions, see the topic titled "Charging the Battery" on the online system user guide.
6. As the battery is charged, the light turns green battery indicator?
Yes Go to Step 9.
No. Go to step 7.
7. Is the battery indicator flashes green and amber?
Your computer may be in a hot environment. Charging the battery under these conditions can affect battery life.
Yes Continue with step 8.
No. The problem is solved.
8. Disconnect the computer from AC power. Dell XPS M1330 is the battery indicator still flashing amber laptop?
Yes, you may have a defective battery. Continue with step 9.
No. The problem is solved.
9. Remove the battery and press the test button. It is the highest indicator in the battery meter is flashing?
If you have a defective battery. Continue with step 9.
No. The problem is solved.
10. If the laptop battery replacement is available for free, and then install it on your computer.
11. Turn on your computer. Does the power indicator?
Yes, the original battery is defective. get a new Dell XPS M1330 battery replacement.
There is no charge for support. you can go there are experts from the battery to give your best help! "