Kl 1208 User 39-s Manual: Bosch

The unit can test 12V batteries (24–66 Ah capacity) without being plugged into mains power.

The is more than a booklet of diagrams—it is the key to safe, accurate, and long-lasting performance from your laminate trimmer. Whether you are trimming Formica countertops, routing hinge mortises, or rounding over edges on small boxes, taking the time to read (or re-read) the manual will prevent mistakes that could ruin your workpiece or injure your hands. Bosch Kl 1208 User 39-s Manual

Most users skip straight to plugging it in. Don’t. Open the manual to these three sections first: The unit can test 12V batteries (24–66 Ah