This NiMH wall charger is designed for use with the stock battery that comes with the Micro HIGHroller.
This charger features an initial charge rate of 400mAh, but only maintains this rate for the first few minutes of the charge. The charge rate will gradually drop during the first 30 minutes of the charging procedure. After 30 minutes the charge rate drops to under 100mAh where it will remain until the battery is removed from the charger.