Theres a chap in Negombo, He converts the dashboard for 5000/-
What ECO does is, it reduces the accelerator sensitivity and increases the Regen capability say by 40%
When in D Regen capability is roughly about 10% without ECO on
When in D with ECO on,You get regen roughly about 50%
When in B mode, there is aggressive regen simulating engine braking, thereby giving you upto 100% of regen capability
% figures were used just to give you an idea
I 've started from Mount, Maradana and Negomb, and have made it easily, have never plugged it to any form of charger other than the one at my premises
The Green Frontiers lot are planning a charger halfway, but I fear given the number of cars hoarding in to the island, this charger will become a place to lag for ages,