The battery is in very good condition. It shows a full charge over 41.5v.
Keeps the tension for weeks, Straight from the Netherlands.
Battery b. Shortly used as a backup.
Keyless battery. Just swap the lock with your battery.
Price per item.
Round 2-pin DC plug. Can be easily converted to 3 or 5 pins.
Any 36v battery charger (max voltage 42v) will fit. THE BATTERY USED DOES NOT HAVE A KEY