Recent content by wgt40w

SOLVED PROBLEM As mentioned in one of my Threads above, I received the new adjustable charger. On first switching on the charger output was set at 50.8 volts. The charger has an external pot which I reset for an output voltage of 54 volts. I connected this charger to my battery and switched on -...

Update: Instead of taking apart one of my standard 48volt chargers, I have orderd one of these adjustable output voltage chargers. Link to Adjustable Output Charger

Nealh & Andy-Mat Thanks for your comments, but neither of you make any suggestions as to what I should/ could do. I have checked my newest multimeter against mains voltage - here showing 249 volts. My bike/ battery is only about 9 months old. It has spent far more thime discharging 'naturally'...

Nealh - many thanks for your detailed reply. I do not argue with anything you say, but two aspects surprised me. 1) On my e-bikes 'digital dash display' the state of the battery charge is shown as 5 or 6 segments of a circle. The current 39.9 volts state is shown as two of the segments 'full'. I...

During the winter I am not using my e-bike much. However, I do keep an eye on the battery and have never let it even nearly fully discharge. Currently my 48v battery is showing it is at 39.9 volts and I have decided to charge it back up. I have checked my charger with a multi-meter and it is...