On 19/10/2017 03:30, Bill Wright wrote:
On 18/10/2017 23:10, Roger Mills wrote:

What is the life of a battery? Do you need to factor battery
replacement into the running costs?

Yes but that's a secret. Hush!

You certainly need to factor in depreciation and lost capacity with age.

Proponents always base their claims on overnight charging on Economy7
which isn't going to do you any good on a long journey when you run out
of power half way to Edinburgh. You may as well get the train.

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Regards,
Martin Brown