: The unit features electronic regulation to prevent overcharging and is protected against short circuits and reverse polarity. LED Indicator Guide Indicator Light Red LED (Center) Lights up when the unit is switched on. Yellow LED (Flashing) Charging is in progress. Yellow LED (Steady) Charging is complete and can be terminated. No Light (Test Mode) Indicates the battery has a very low charge. Safety & Connection Steps

: If a 12V battery is under 8 volts, the charger may not initiate charging for safety reasons.

Mastering Your Bosch KL 1208: The Ultimate Guide and Manual Breakdown

Before you plug in your Bosch KL 1208, follow these safety protocols: