| Battery Type | Chemistry | Voltage | Typical Capacity | |--------------|-----------|---------|------------------| | BAT012 | Ni-Cd | 12V | 1.3 Ah | | BAT015 | Ni-Cd | 12V | 1.5 Ah | | BAT020 | Ni-MH | 12V | 2.0 Ah | | BAT030 | Ni-MH | 12V | 2.6 Ah |
A continuous or flashing red light often indicates the battery is outside safe temperature ranges (too hot or too cold) or has a faulty cell. Safety Best Practices Ventilation:
Disclaimer: This guide is for informational purposes. Bosch is a trademark of Robert Bosch GmbH. The author is not affiliated with Bosch. Always consult a professional for electrical repairs. bosch kl 1208 battery charger manual
On some versions, this lights up for batteries between 24 and 66 Ah to indicate status.
Even with careful use, the KL 1208 is decades old. Here are solutions to typical issues. | Battery Type | Chemistry | Voltage |
As the battery stores energy and its voltage rises, the internal resistance increases. You will notice the ammeter needle slowly dropping toward zero.
Plug the charger into the mains and set the switch to the position. The red LED in the center should light up to indicate operation. The author is not affiliated with Bosch
If your charger is not working as expected, check these common issues: 1. The Ammeter Needle Does Not Move
Attach the Black clamp to the negative terminal (or a solid metal part of the vehicle chassis away from the battery, if the battery is still in the car).