Ensure the charger is set to match the battery voltage (12V).
Ensure the Bosch KL 1208 is plugged into the AC wall outlet.
1. Test wall socket using an alternative device.2. Disconnect charger, clean terminal corrosion, and re-clamp. Short circuit or accidental reverse polarity connection.
: Once finished, unplug the mains power first, then remove the battery terminals in reverse order (negative then positive). upload.sunsky-online.com Technical Specifications Input Voltage 90-260 VAC (Global Compatibility) Nominal Voltage Supported Capacity 24 to 66 Ah for testing; up to 50 Ah for standard charging Protection Short-circuit and reverse polarity protection Troubleshooting Tips bosch kl 1208 manual
: Do not use the charger in moist rooms or on heated surfaces. Temperature : Avoid operation in ambient temperatures exceeding 35 raised to the composed with power cap C 95 raised to the composed with power cap F Ventilation
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Only after connecting the clamps should you plug the charger into the wall socket and switch it on. 3. Understanding the LED Indicators Red LED (Center): Lights up when the unit is powered on. Yellow LED (Flashing): Charging is in progress. Ensure the charger is set to match the battery voltage (12V)
When first connected to a discharged battery, the needle will jump to a high value (near 8A). This indicates the battery is drawing maximum current.
Once charging is complete, reverse the process exactly to avoid sparks: Unplug the AC power cord from the wall outlet. Disconnect the . Disconnect the Red positive (+) clamp .
Since Bosch has produced many different types of equipment over the decades (from automotive diagnostics to power tools and security systems), there is some ambiguity regarding the exact model "KL 1208." Test wall socket using an alternative device
Connect the AC power plug into a standard wall outlet. The internal transformer will activate, and charging will begin automatically. Step 5: Monitor the Ammeter
: Lead-acid batteries generate explosive hydrogen gas during charging. Strictly prohibit smoking, open flames, or sparks near the charging area.
Do not cover the ventilation slots on the unit while charging. 3. Operating Instructions (Step-by-Step)
Connect the to the positive terminal of the battery.