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en:controller:setup [2026/09/03 07:31]
vasilisk [Battery] 		en:controller:setup [2026/09/03 07:35] (current)
vasilisk [Battery]
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 In the **Controller** > **Battery** menu section you can set up the parameters of the battery connected to the Controller. The Nucular controllers support supply voltages from **20V** to **90V**, this is **21S** for Lithium-ion (Li-ion) batteries and **25S** for Lithium-iron-phosphate (LiFePO4) batteries. To configure the battery, you must specify the range of supply voltage and current. To correctly display the battery capacity on the On-board computer screen and correctly calculate the remaining charge, you must specify the battery capacity in [[:en:display:start#battery_capacity|settings]] of On-board Computer. If you use several batteries with different parameters on the same bike, you can save the configurations for each battery on the SD card and load them after replacing the battery. The SD card can be stored in the On-board computer. In the **Controller** > **Battery** menu section you can set up the parameters of the battery connected to the Controller. The Nucular controllers support supply voltages from **20V** to **90V**, this is **21S** for Lithium-ion (Li-ion) batteries and **25S** for Lithium-iron-phosphate (LiFePO4) batteries. To configure the battery, you must specify the range of supply voltage and current. To correctly display the battery capacity on the On-board computer screen and correctly calculate the remaining charge, you must specify the battery capacity in [[:en:display:start#battery_capacity|settings]] of On-board Computer. If you use several batteries with different parameters on the same bike, you can save the configurations for each battery on the SD card and load them after replacing the battery. The SD card can be stored in the On-board computer.
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 +<WRAP center round tip 60%> Controller estimates remaining battery charge from Wh consumption (energy drawn by the controller), not from battery voltage. Voltage-based estimation is inaccurate — voltage fluctuates with load, temperature, and chemistry in a non-linear way, making it an unreliable indicator of actual remaining capacity. Because the percentage is calculated from cumulative Wh usage since the last full charge, it does not update upward during a partial charge. The system recalibrates (resets to 100%) only when the battery reaches 100% at the moment of power-on. If you charge from, say, 40% to 70%, the display will continue showing 40% until the next full charge and power cycle. </WRAP>
  
 **#Quick voltage setup** — feature to help you select the correct parameters for your battery. To automatically configure the items **Full charge**, **Supply max**, **Supply min**, you need to select the type of battery chemistry from the following options:\\ **#Quick voltage setup** — feature to help you select the correct parameters for your battery. To automatically configure the items **Full charge**, **Supply max**, **Supply min**, you need to select the type of battery chemistry from the following options:\\