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IntoFPV Forum › General Discussion › Beginner Questions v
LiPo Charging Voltage Changes

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LiPo Charging Voltage Changes
Fpv_Snidde Offline
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#1
12-Oct-2021, 09:34 PM
Hey guys,
i got a short question regarding LiPo Charging. I want to store my LiPo at 3.8V for each cell so i used my D6 Pro Charger which has a store option. After the charger finished the Voltage was at around 3,82V but not exactly at 3,8 V. After waiting for a minute the Voltage came up to around 3.86V where it stayed. Is this normal (third time ever charging a lipo). Afterwards i uses the Balance option to bring all cells to 3.8v but again it only went down to around 3,82 and then stopped charging/discharging. After a minute again up to around 3,85. Are these voltage changes normal or do i have to do something about that.
Any advice would be awesome.
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hugnosed_bat Offline
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#2
12-Oct-2021, 09:40 PM
thats ok, dont have to worry about :-)
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kafie1980 Offline
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#3
12-Oct-2021, 11:25 PM
This is normal.
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Kevin2112 Offline
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#4
13-Oct-2021, 05:59 AM
I’ve got 2 different chargers. One charges to 3.83v and one charges to 3.8v per cell. I can’t change it so I end up with slightly different storage charges. Hasn’t seemed to matter.
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SnowLeopardFPV Offline
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#5
13-Oct-2021, 07:49 AM
3.8V is just the "sweet spot" for a balance charged cell. If the cell voltages are slightly under or slight over 3.8V during storage then it makes no difference to the life of the battery.
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Fpv_Snidde Offline
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#6
13-Oct-2021, 10:22 AM
(13-Oct-2021, 07:49 AM)SnowLeopardFPV Wrote: 3.8V is just the "sweet spot" for a balance charged cell. If the cell voltages are slightly under or slight over 3.8V during storage then it makes no difference to the life of the battery.

Ok, thank u very much. Is there a way to bring the voltage down to 3,8v an then keep it at that voltage? Is it because of my Lipo Charher (about 100€) ? Or does it have to do with the Lipo? Sorry for my english skills. xD
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kafie1980 Offline
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#7
13-Oct-2021, 10:33 AM (This post was last modified: 13-Oct-2021, 10:33 AM by kafie1980.)
Even the most calibrated hobby grade charger will struggle to get you exact 3.8v per cell.

Even if the charger stops the charging/balancing at exact 3.8v the lipo chemistry will react and balance itself due to several environmental factors.

Just don't your sleep over this.
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Fpv_Snidde Offline
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#8
13-Oct-2021, 12:50 PM
(13-Oct-2021, 10:33 AM)kafie1980 Wrote: Even the most calibrated hobby grade charger will struggle to get you exact 3.8v per cell.

Even if the charger stops the charging/balancing at exact 3.8v the lipo chemistry will react and balance itself due to several environmental factors.

Just don't your sleep over this.

Hey, thank u for the information. What does "Just don't your sleep over this." means. xD i dont know the meaning of that.  Thinking
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kafie1980 Offline
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#9
13-Oct-2021, 01:34 PM (This post was last modified: 13-Oct-2021, 01:34 PM by kafie1980.)
Means do not get too stressed about something.

Just go out and fly.
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