From 65427741faee324e712b59a1550b2d7371a25a57 Mon Sep 17 00:00:00 2001 From: Candas1 Date: Sun, 2 Jan 2022 10:05:57 +0100 Subject: [PATCH] Updated Battery (markdown) --- Battery.md | 17 ++++++++--------- 1 file changed, 8 insertions(+), 9 deletions(-) diff --git a/Battery.md b/Battery.md index bb7916d..41d402b 100644 --- a/Battery.md +++ b/Battery.md @@ -24,17 +24,16 @@ Battery voltage has to be calibrated to have a more accurate reading, for this y * Value BatV(6) in Debug Serial should match with the measured battery voltage now ## Troubleshooting: -If the board is [beeping](https://github.com/EmanuelFeru/hoverboard-firmware-hack-FOC/wiki/Diagnostics) +If the board is [beeping](https://github.com/EmanuelFeru/hoverboard-firmware-hack-FOC/wiki/Diagnostics) because of low battery level or turning off with the melody * Make sure you have updated the number of cells in [config.h](https://github.com/EmanuelFeru/hoverboard-firmware-hack-FOC/blob/master/Inc/config.h) if you use a battery with less cells in series * [Calibrate the battery voltage](https://github.com/EFeru/hoverboard-firmware-hack-FOC/wiki/Battery#calibration) -* With a battery of low quality/bad health, pulling a lot of current will result in a big battery voltage drop and trigger battery low alert +* With a battery of low quality/bad health, pulling a lot of current will result in a big battery voltage drop and trigger battery low alerts. You can use a better battery or several similar batteries in parallel +* Reducing the [battery low levels](https://github.com/EFeru/hoverboard-firmware-hack-FOC/wiki/Battery/_edit#battery-level-low-alerts) can help but going too low can be risky for your battery +* You can reduce the [current limit](https://github.com/EFeru/hoverboard-firmware-hack-FOC/wiki/Setup-current-and-speed-limits#current-limit) but you will lose power -If the board turns off with the melody: -* With a battery of low quality/bad health, pulling a lot of current will result in a big battery voltage drop and can lead the board to turn off. You can use a better battery or several batteries in parallel. Adjusting the [battery levels](https://github.com/EFeru/hoverboard-firmware-hack-FOC/wiki/Battery/_edit#battery-level-low-alerts) can help but going too low can be risky for your battery. - -If the board turns off without the melody: -* The battery BMS will shut the power off if too much current is being drawn -* The battery BMS will shut the power off if battery is fully charged and too much current is flowing back (regenerative braking) -You will have to unplug the battery and plug it again. +If the board turns off without the melody, the BMS is shutting the power off: +* You might be drawing too much current. You can reduce the [current limit](https://github.com/EFeru/hoverboard-firmware-hack-FOC/wiki/Setup-current-and-speed-limits#current-limit) not to trigger the BMS over-discharge protection but you will lose power +* It can happen if your battery is fully charged and too much current is flowing back (regenerative braking), it can trigger overcharge protection +You will have to unplug the battery and plug it again