« Last post by profezzorn on Today at 12:04:32 PM »
New information: With a battery at 3.8V connected directly to the charger it starts charging. With the same battery (at 3.8V) installed in the saber and the simple charging blade, the charger won't initiate a charge. We double checked the wiring and it's good. Is there any chance the FETs or the 5V boost supply (or other things on the saber board that are connected to BAT+ and BAT-) could be interfering with the charger?
The simple charging blade connects the charger directly to the battery, without connecting the FETs or running the electronics, so there shouldn't be any possibility of any interference. The fancy charging blade runs the electronics and hooks up an LED or two, which can potentially interfere, but that's not what you have, right?
When you say you checked the connections, did you check it all the way from the charge connector to the battery? (through the blade connector)