uncharge

verb4

1. •
   To drain the electrical charge from.
2. •
   To become drained of electrical charge.

   • The last configuration has a wire connected in parallel with a battery. This configuration would cause the battery to uncharge at the maximum current […] — 2020
3. •
   (no longer used) To free from a charge or load; to unload or unburden.
4. •
   (no longer used) To free from an accusation; to make no charge against; to acquit.

   • And for his death no wind of blame shall breathe; But even his mother shall uncharge the practice, And call it accident. — 1599