Bosch Kl | 1208 Battery Charger Manual //top\\
Insulated clips (Red = Positive +, Black = Negative -). 3. Operating Instructions: How to Use the Bosch KL 1208
: Plug the unit into a mains outlet and flip the power switch to the position; the red LED should light up to indicate power. Disconnect
Disconnect the black (negative) clamp first, then the red (positive) clamp. 4. Troubleshooting and Maintenance
The ammeter needle immediately spikes to maximum and the fuse blows.
Before you plug in the unit, remember that charging lead-acid batteries produces explosive gases. Always charge in a well-ventilated area. bosch kl 1208 battery charger manual
Congratulations on purchasing the Bosch KL 1208 battery charger! This manual provides essential information on the safe and effective use of your new battery charger. The Bosch KL 1208 is designed to charge 12-volt lead-acid batteries, making it an ideal tool for maintaining and charging batteries for cars, trucks, and other vehicles.
Bosch KL 1208 Battery Charger: A Comprehensive Guide & User Manual
The Bosch KL 1208 is a traditional manual charger. It does not feature an automatic shut-off mechanism. You must monitor the charging process to prevent overcharging and boiling the battery. Operating Instructions: Step-by-Step
The battery likely has a short-circuited cell. It cannot reach its peak voltage to push back against the charger's current. If the battery becomes excessively hot to the touch or smells like sulfur (rotten eggs), unplug the charger immediately. The battery must be replaced. The Charger Vibrates or Hums Loudly Insulated clips (Red = Positive +, Black = Negative -)
Coil the cables loosely. Tightly wrapping cords around the plastic housing can break the copper strands inside the insulation over time.
| Problem | Possible Cause | Solution | | :--- | :--- | :--- | | Red LED flashes | Battery temperature out of range | Let battery cool/warm up to room temperature. | | No LED when plugged in | No mains power / Defective charger | Check outlet / Replace charger. | | Battery gets very hot | Old battery or incorrect battery type | Replace battery. Do not use Li-Ion in this unit. | | Very short run time | Battery not fully charged (memory effect) | Fully discharge and recharge Ni-Cd battery 2-3 times. |
The built-in analog display tells you the exact state of the charging process:
Always charge batteries in a well-ventilated garage, workshop, or outdoor area. Disconnect Disconnect the black (negative) clamp first, then
The Bosch KL 1208 battery charger has the following features:
Understanding the technical limits of your charger ensures optimal performance and prevents damage to your vehicle's electrical components. 230V AC ~ 50/60 Hz Output Voltage: 12V DC Charging Current (Arithmetic): 5A
Use only in dry areas with temperatures below 35°C .