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2026-04-07 12:03:46 UTC
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Christine Burns MBE 🏳️‍⚧️📚⧖ on Nostr: Why do we call it a Granny Charger? Early EV pioneers said it was what you’d use ...

Why do we call it a Granny Charger? Early EV pioneers said it was what you’d use when topping up at granny’s house on a Sunday. Anyway… I’m a granny so it’s my granny charger! The 2.2kW limit is because a household 13A ring main socket can actually only bear 10 Amps continuously. 10A x 220V equals 2400 Watts. On my car the 6.4kW charger adds about 25 miles range per hour (6.4kW x 4m/kWh). Running at 2.2kWh per hour this slowww charge will add about 9 miles but I don’t have to stand watching!