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LTO cells #16

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mcmara opened this issue Jan 7, 2024 · 1 comment
Open

LTO cells #16

mcmara opened this issue Jan 7, 2024 · 1 comment

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@mcmara
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mcmara commented Jan 7, 2024

What are the parameters recommendations for LTO cells? For example, when using LiFePO4 the parameters generated by the wizard for 4 20AH cells are the following:

CELLS: 4
CHG_BULK_STOP_VOLTAGE: 3.50 V
CHG_START_VOLTAGE: 3.25 V
CHG_VCOND: 3.00 V
UPS_VCELL_MIN_STOP: 2.80 V
UPS_VCELL_MIN_START: 3.00 V
CHG_HYSTERESIS: 0.10 V
CHG_IBULK: 1000.00 mA
CHG_ICOND: 400.00 mA
CHG_IMIN: 833.33 mA
CHG_BAT_TYPE: 1
CHG_GLOBAL_TOUT: 3600.00 min
CAPACITY: 20000.00 mA
BAL_VCELL_MIN: 3.10 V
OCV_SOC0: 3.10 V
OCV_SOC10: 3.20 V
OCV_SOC25: 3.25 V
OCV_SOC50: 3.30 V
OCV_SOC75: 3.32 V
OCV_SOC100: 3.35 V
@mcmara
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mcmara commented Jan 14, 2024

Some suggestions for deriving LTO voltage thesholds can be found here:
https://endless-sphere.com/sphere/threads/need-help-with-lto-battery-charging.116771/

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