Kl 1208 Manual - Bosch
For standard batteries, unscrew the plugs and check the fluid level; lead plates should be covered by at least 5 mm of distilled water.
: Ensure the battery voltage (12V) matches the charger. bosch kl 1208 manual
“I have 2 batteries 8 years old... they all work perfectly just like all Bosch tools I have. I even abused some of them and they can't die.” Reddit · ElsiD4k · 9 months ago For standard batteries, unscrew the plugs and check