In this article:
Overview
Most EVs provide a preconditioning function that can be used to prepare the vehicle for a journey – typically by warming/cooling the inside of the car, defrosting the windscreen and possibly warming the battery so that it is in the optimum state for driving the vehicle.
To avoid draining the battery to precondition the car, the zappi preconditioning mode can be set so that the power needed is provided from the electricity supply.
Warning: This feature only works if zappi has detected “Charge Complete” i.e. the previous charge was stopped by the EV because the battery was full
If this is not the case, then the only way to ensure that the battery is not drained during the EV preconditioning is to set a Scheduled Boost to coincide with a time when the EV will be preconditioning.
Setting Preconditioning
| Setting Type | Function Description |
| Off | Once zappi detects “Charge Complete”, the next time the EV tries to draw power zappi will revert to the mode set (ie ECO, ECO+ or FAST). If zappi is in ECO+ and there is not enough surplus generation then the charge will pause and zappi will display "Waiting for surplus |
| On |
When preconditioning is turned ON, the amount of energy (kWh) zappi should supply to warm up the battery/precondition the EV can also be set. Once zappi detects “Charge Complete”, the next time the EV tries to draw power zappi will start a Preconditioning Boost (to the kWh target set) and then revert to normal charging, in whatever mode it is set to. |
How To Video
Warning: Some vehicles (for example the Tesla Model S & Renault Zoe) need a lot of power to warm a cold battery even for standard charging. If you try to charge one of these vehicles in ECO and ECO+ mode the EV may charge for a short period, stop because it does not have enough power to warm the battery and then immediately try to charge the EV again.
We cannot guarantee that the Preconditioning Mode will cope with this situation but provided the EV draws a small amount of power the first time it tries to charge this should trigger the Preconditioning Mode, providing enough boost power to warm the EV’s battery and allow normal ECO/ECO+ charging to proceed.
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