It is possible that the pack has discharged below the voltage the BMS will allow charging. To remedy this you you can "jump start" the pack. First off let me say that what follows is a common, but still a "Black Diamond" level technique.
First, you will need access to the output of the cells...
I am new to the T-type, but have questions:
- I've heard about the chain rotation methodology. With all the chain changes, what do you do about the Powerlock being "single use"?
- Are you using one of the new style chain checkers? Where did you get the 0.5% for T-Type?
If this procedure works it means the battery charge level has gotten so low that the charger does not think it is chargeable.
What happens next is the charger attempts to charge and then the charger senses a problem, throws an error and shuts down.
In doing this procedure you have sent a small...
Specialized has sold a replacement switch (without a converter). I used it to add the switch to my MY2016, which did not come with a switch.
I ran the wire between the battery and the frame, but could have cut and spliced the wires. I did not want any water intrusion.
So 10S/7P? Nice!! And you still have access to the original ~500Wh pack?
What BMS did you use?
I am interested in the ideal diodes you used.
Do the 2 packs act as one or does one of them draw down first?
Charging over 4.20 volts/cell is very dangerous for NMC lithium chemistry (all bike batteries). This behavior will cause overheating and leads to thermal runaway (fires). Any decent BMS will not allow this kind of overcharging.
Mostly correct except for 2 related data points:
1 - Battery life is compromised the longer the State of Charge (SOC) remains close to 100%.
2 - Battery life is extended when batteries are stored at 50% SOC.
Therefore, "charging after every ride" is detrimental to battery longevity. The...