Bosch Kl 1208 User 39-s Manual Jun 2026

: If you connect the poles incorrectly, the unit may automatically shut down or light a reverse-polarity indicator.

Plug the unit into a mains outlet and set the switch to the "I" position. Bosch Kl 1208 User 39-s Manual

The manual explains that the green light means the charger is connected to mains power. The red LED means charging is active. When the red light turns off, charging is complete — but it’s a simple timer-based cutoff, not active battery monitoring. Overcharging is possible if you leave batteries connected for days. : If you connect the poles incorrectly, the