Max charging amps of XP battery?

[johnboatcat]

I have a Grin Satiator battery charger that allows you to set charge profiles. I want to set a profile to charge my battery up to 85% each time to help with longevity. I am trying to figure out what to set the charging amps to. The included XP charger is a 2 amp charger. The Grin charging adapter states that the plug connectors on in frame batteries are usually cheap and should not be charged at more than 4 or 5 amps. Anyone have any input on what would be safe to set the charge amperage to on the XP battery? Thanks!

 

[johnboatcat]

Contacted Grin Technology concerning the charging amperage and they said that 4 amps should not be a problem, but if I wanted to be safe use 3 or 3.5 amps. I started with 3 amps and tested with my digital thermometer and there was no change in the plug temp. during charging at 3 amps. I will test it on the next charge at 4 amps and let you know what I find.

 

[johnboatcat]

Tested a full 4 amp charge with the battery out of the bike. The plug and socket started out at 76 degree room temp. After 10 minutes of charging at 4 amps the plug was around 92 degrees and the socket on the battery was 82 degrees. Temps stayed about the same for the complete charge. I will leave the charge amps at 4 amps. The plug is rated for 7 amps so I don't think that little bit of heat rise will harm anything.

 

[John-Y128]

I have a Grin Satiator battery charger that allows you to set charge profiles. I want to set a profile to charge my battery up to 85% each time to help with longevity. I am trying to figure out what to set the charging amps to. The included XP charger is a 2 amp charger. The Grin charging adapter states that the plug connectors on in frame batteries are usually cheap and should not be charged at more than 4 or 5 amps. Anyone have any input on what would be safe to set the charge amperage to on the XP battery? Thanks!

Charging at 1 Amp will help 'longevity' as much or more than the 85% setting, keep the cells as cool as possible.

 

[johnboatcat]

Charging at 4 amps did not heat up the battery pack at all. I agree that heat is not good for batteries.