Below is are charts about charging amounts and the time required for 52v 16A Hailong batteries using a Grin Technologies Satiator charger.
I am able to charge 3 batteries simultaneously by using a 3-headed connector between the charger and the batteries.
Charging 3 batteries at a time and using the same charger setting results in a much slower charging rate (trickle charge).
I use the 3-headed charger for convenience because I don't have to connect a new battery to the charger every 3 hours or so.
If you examine the charging times you should notice two things:
1. A slower charging rate results in more Ah stored in the battery. (this is important when long distance biking)
2. These batteries receive about 90% of their charge in the only 70% of the time it takes to get a full charge.
Note: This is not strictly true (but still close for reasons I will explain in a later post)
Also, I want you to examine my diary numbers. A thoughtful analysis will reveal much insight.
1 Battery 3 Batteries simultaneously
Time Charge amount Time Charge amount
60 minutes = 6.85 Ah 180 min = 20.24 Ah
90 minutes = 9.61 Ah 270 min = 29.70 Ah
120 minutes = 12.49 Ah 360 min = 38.53 Ah
150 minutes = 14.41 Ah 450 min = 46.80 Ah
180 minutes = 15.49 Ah 540 min = 48.54 Ah
206 minutes = 15.61 Ah 570 min = 48.69 Ah
Charge Completed Charge Completed
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