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ITGlossary · EV charging
Smart Charging
Charging that adapts current and voltage to battery condition and temperature, or an EV charger’s power to the site’s available capacity.
Technical level:Intermediate
Smart charging adapts the charging current and voltage to the condition of the battery instead of applying fixed values. It usually works in stages (bulk, absorption, float) and corrects the voltage according to temperature. In electric vehicle chargers, the term also describes adjusting the charging power to the available capacity of the installation or the time of day.
In UPS units and solar systems, correct charging directly affects battery service life: constant overcharging or undercharging wears batteries out prematurely, especially in warm rooms.
When replacing batteries, make sure their type (e.g. VRLA or lithium) matches the charging profile the device supports.
Related terms
- Charging Power (kW)How much energy flows into the battery per hour, which in AC charging depends on voltage, current and the number of phases.
- Power ConditioningTechniques such as EMI/RFI filtering, surge protection and AVR that correct voltage problems before they reach the load.
- Battery Charging CurrentThe amount of current supplied to charge a battery, regulated by the UPS system.
- Fast ChargingA charging method that restores battery capacity quickly without damage by controlling current, voltage and temperature.
- DC ChargingFast charging in which the station converts power to direct current and feeds it straight into the battery, typically at 50 to 350 kW.
- AC ChargingCharging with alternating current, where the vehicle's on-board charger converts it to direct current to fill the battery.