Dell inspiron 2200 green LED battery Indicator flashing

The diagnostic procedures from the Dell User Guide are as follows:

Total Power Failure When Using a Battery
If an AC adapter is not connected to your computer, the computer's power source
is a battery. If the battery indicator flashes amber or is a steady amber, the
battery needs to be charged. If the battery is flashing green and amber, the
battery may be defective. To troubleshoot this problem, use the following
procedure.
1. Turn off the computer and peripherals, and disconnect them from AC power.
2. Reseat each installed battery by removing it and then replacing it.
3. Turn on the computer. Does the green power indicator light up?
Allow one minute for the computer to initialize its components before checking
for signs of power.
Yes. Continue to step 4.
No. Use the AC adapter to connect your computer to AC power. If the computer
operates normally when using AC power, go to step 7. If the computer does not
boot when using the AC adapter, see the previous subsection, "Total Power
Failure When Using the AC Adapter."
4. Does the battery indicator flash amber or show a a steady amber light?
Yes. The battery needs to be charged. Go step 5.
No. Go to step 7.
5. Connect the computer to AC power, and fully charge the battery.
For instructions, see the topic titled "Charging the Battery" in the online
System User's Guide.
6. As the battery charges, does the green battery indicator light up?
Yes. Go to step 9.
No. Go to step 7.
7. Is the battery indicator flashing green and amber?
Yes. Your computer may be in a hot environment. Charging the battery in this
condition may affect the life span of the battery. Continue to step 8.
No. The problem is resolved.
8. Disconnect the computer from AC power. Is the the battery indicator still
flashing amber?
Yes. You may have a defective battery. Continue to step 9.
No. The problem is resolved.
9. Remove the battery, and press its test button. Is the uppermost indicator in
the charge gauge of the battery flashing?
Yes. You have a defective battery. Continue to step 9.
No. The problem is resolved.
10. If a spare battery is available, fully charge it, and then install it in the
computer.
11. Turn on the computer. Is the power indicator off?
Yes. Your original battery is defective. Call Dell for a replacement. (See
Chapter 5, "Getting Help," for
instructions.)
No. Call Dell for technical assistance. (See Chapter 5, "Getting Help," for
instructions.)

The adapter is working correctly. The battery is either slow to charge or in need of replacement.

It's possible your battery isn't charging at all so to test this boot into bios -> battery status and watch it run overnight.

Troubleshooting a power problem is fairly simple:
1 Try a different AC adapter, see if there is any change 2 If system will not power on with a known good or new AC adapter, then the power connection on the motherboard is likely damaged and the motherboard will need to be replaced.

If a new DELL ac adapter (3rd party Adapters are not recognized and the charging circuit is disabled) and a new battery doesn't resolve then the charging circuit on the motherboard is bad

Here is some information you can use to determine the failure:
http://www.fixya.com/support/r3581893-how_to_troublehoot_a_portable_compouter_
The LED indications of the LOCK Light LEDs at power on may give a more exact failure determination.

The Battery indicator LED is to the right of the power LED. Flashing AMBER indicates a fault with the Battery. To resolve, replace the system battery.

The Battery indicator LED is to the right of the power LED. Flashing AMBER indicates a fault with the Battery. To resolve, replace the system battery.

The diagnostic procedures from the Dell User Guide are as follows:

Total Power Failure When Using a Battery
If an AC adapter is not connected to your computer, the computer's power source
is a battery. If the battery indicator flashes amber or is a steady amber, the
battery needs to be charged. If the battery is flashing green and amber, the
battery may be defective. To troubleshoot this problem, use the following
procedure.
1. Turn off the computer and peripherals, and disconnect them from AC power.
2. Reseat each installed battery by removing it and then replacing it.
3. Turn on the computer. Does the green power indicator light up?
Allow one minute for the computer to initialize its components before checking
for signs of power.
Yes. Continue to step 4.
No. Use the AC adapter to connect your computer to AC power. If the computer
operates normally when using AC power, go to step 7. If the computer does not
boot when using the AC adapter, see the previous subsection, "Total Power
Failure When Using the AC Adapter."
4. Does the battery indicator flash amber or show a a steady amber light?
Yes. The battery needs to be charged. Go step 5.
No. Go to step 7.
5. Connect the computer to AC power, and fully charge the battery.
For instructions, see the topic titled "Charging the Battery" in the online
System User's Guide.
6. As the battery charges, does the green battery indicator light up?
Yes. Go to step 9.
No. Go to step 7.
7. Is the battery indicator flashing green and amber?
Yes. Your computer may be in a hot environment. Charging the battery in this
condition may affect the life span of the battery. Continue to step 8.
No. The problem is resolved.
8. Disconnect the computer from AC power. Is the the battery indicator still
flashing amber?
Yes. You may have a defective battery. Continue to step 9.
No. The problem is resolved.
9. Remove the battery, and press its test button. Is the uppermost indicator in
the charge gauge of the battery flashing?
Yes. You have a defective battery. Continue to step 9.
No. The problem is resolved.
10. If a spare battery is available, fully charge it, and then install it in the
computer.
11. Turn on the computer. Is the power indicator off?
Yes. Your original battery is defective


good luck

Sure, this just mean your are in charging mode, but your battery is at full charge. Should your battery need charging and in charging mode the lights would be green most likely.

Regards,
Worldvet
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It means you need to replace the battery. My wife's Inspiron did the same thing. Here is a link to someone else with the same issue, as well: http://west-wind.com/WebLog/posts/365.aspx I recommend third-party batteries from a quality source. They are quite good, and much cheaper than Dell-branded ones. Here's a source for both Dell-branded and third-party versions: http://www.batteries.com/index.asp?N=4294967279+4294967148+4294949141&Ne=25&Nu=p%5Fprodcode Plus, they are having a 20% off sale right now, using coupon code "FREE8"!