Hi gaspurge747,
Request you to try with a different known good battery (if available). You may also check the battery health by following the below steps:
(1) Press and release the status button on the battery charge gauge to illuminate the charge-level lights.
(2) Each light represents approximately 20 percent of the total battery charge. For example, if four lights are on, the battery has 80 percent of its charge remaining.
(3) If no lights appear, the battery has no charge.
Then you may check the battery health by using the below steps:
(1) press and hold the status button on the battery charge gauge for at least 3 seconds.
(2) If no lights appear, the battery is in good condition and more than 80 percent of its original charge capacity remains.
(3) Each light represents incremental degradation.
(4) If five lights appear, less than 60 percent of the charge capacity remains, and you should consider replacing the battery.
If the other battery works, then the existing battery has failed and needs to be replaced.
Do reply with your answers.