Respuesta a "Battery replacement? (Soldering, series of questions, detailed)"Hi! I bought this Battery: “ MODEL 582535 SP5 3.7V 600mAh Rechargeable Battery For tachograph papago F300 “ It did not work (no charge process). Then, I used the small PCB from the old (orginal Marshall) battery and soldered it with the new battery, replacing the pcb that came with it. Now, everything works fine - yeah !! No guarantee though that this procedure is safe and works for you, too! Good luck and have fun! Volker
Respuesta a "replacement battery for Marshall’s MID Bluetooth headphones?"The original battery contains a small PCB; maybe some charge control electronics. I tried to replace it with a battery with three wires and similar capacity from China. No success yet. I will try now to use this battery with the pcb from the original battery..