What charger can charge AAA batteries?

Question

Electronics

There is a car battery for 5 AAA batteries, each 1.5 V. Naturally, the native power supply was lost, but the mobile unit does not charge batteries, is there any alternative?

Answer 1

Power supply, light bulb, coil of wire, and electrical tape (preferably blue), we connect in series ... This is if it’s very simplified

Answer 2

AAA batteries have a voltage of 1.2 volts, not 1.5
1.5 for batteries.
Therefore, the total voltage is 6 volts for charged ones, and the charger from the mobile phone will give 5 volts, of course it will not fully charge, but it will charge by 70 percent, so the car should already be driving, just a little less time.
If it doesn’t charge from 5 volts, then either the battery is dead or something has broken in the car.