Once the needle drops to a very low level and stays stable, the battery is charged. Unplug the charger from the wall. Remove the first. Remove the Red (+) clamp second. 4. Understanding the Ammeter Readings
Unlike modern chargers with "Full" green lights, the Bosch KL 1208 requires you to read the analog gauge: bosch kl 1208 manual
This could mean the battery is already full, the fuse is blown, or the battery is "sulfated" and refusing to accept a charge. Once the needle drops to a very low
If the unit becomes excessively hot, it features a thermal cutout. Unplug it and let it cool down for 30 minutes before resuming. Remove the Red (+) clamp second
Lead-acid batteries can release explosive hydrogen gas during charging. Always charge in a well-ventilated area.
Ensure the power cord and the red/black clamps are free of cracks or exposed wiring.
Mastering Your Bosch KL 1208: The Ultimate Guide and Manual Breakdown