![elderly woman using a quantum key prepayment electric meter & checking the amount of credit left (more expensive way of paying Stock Photo - Alamy elderly woman using a quantum key prepayment electric meter & checking the amount of credit left (more expensive way of paying Stock Photo - Alamy](https://c8.alamy.com/comp/C768K1/elderly-woman-using-a-quantum-key-prepayment-electric-meter-checking-C768K1.jpg)
elderly woman using a quantum key prepayment electric meter & checking the amount of credit left (more expensive way of paying Stock Photo - Alamy
REED Meter Key, Size 5/8 in, 3/4 in, Handle Shape T, Overall Length 5 1/2 in, Iron - 38HV31|MKF2 - Grainger
![Martin Lewis reveals why prepay energy meters are a rip-off and how to reduce your bills - Mirror Online Martin Lewis reveals why prepay energy meters are a rip-off and how to reduce your bills - Mirror Online](https://i2-prod.mirror.co.uk/incoming/article8107816.ece/ALTERNATES/s1200b/PAY-SUNDAYMIRROR-PROD-Electricity-key-meter.jpg)