Dell E6420 Battery problem

[ronkybiggydiggy]

I just bought a new dell E6420, after two or three days i left the laptop in my living room and forgot about it. it ran down and went off. I plugged in the charger and realized the amber light at the battery indication started blinking and also the battery stopped charging till now. Please what is wrong with the laptop

[LSUFAN51]

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Please power off system, remove all peripherals, AC adapter, battery and then press " Power On" button for 15 seconds to release Static Flea Power. Replace battery, adapter, and power on system. Hopefully battery start charging again.

Battery Status Lights:

[LSUFAN51]

And...