Children's rechargeable excavators don't have electricity to sing?

No, children's rechargeable excavators need to be recharged before they can sing, and they can't sing without electricity, so children's rechargeable excavators can't sing without electricity. Excavators, also known as digging machines, are earth-moving machines that use buckets to dig up materials above or below the bearing surface, load them into transport vehicles or unload them into the yard.