The Bosch C70-B 12V/24V Lead Acid Battery Charger is a smart, heavy-duty charger designed for automotive professionals and car owners alike. Suitable for 12V and 24V lead-acid batteries, including Lead acid, EFB, AGM, GEL, VRLA, and flooded types, it delivers safe, efficient, and fully automatic charging. With advanced features like multi-stage charging, reverse polarity protection, and an easy-to-read LCD display, the C70-B ensures optimal performance and extended battery life. Perfect for cars, trucks, motorcycles, and deep-cycle batteries, this BOSCH charger is your go-to tool for fast, reliable charging at home or in the workshop.
• Full automatic current and voltage control
• SmartAMPS Technology
• Easy to operate
• Prevents overcharging
• Does not damage battery
• Safety precautions
Pulse charging mode (melting sulfationation)
• Automatically pulse charging according to the voltage of the battery you are charging (mode selection), and will switch to the selected charging mode after a certain period of time.
Trickle charging mode
• Automatically switches to maintain charging state.
• Prevent battery loss for low-frequency vehicles and seasonal vehicles (such as motorcycle in winter)
• Automatically transitions to maintenance charging when terminal voltage.
Backup mode (12V only/C70-B)
• Provides current to hold vehicle side memory during battery replacement Ensure insulation is performed during work.
• The negative side should be ground to the body of the vehicle.
Reverse polarity decision
• Protects battery and vehicle system LED notifies positive and negative reverse connection
Overheating protection
• Automatically adjust the output when the charger is high
Safety function
• If charging does not complete within a prescribed time, charging will stop charging.
• If over-discharge (less than pulse charging starting voltage) or degradation is severe, it will not start charging.
• If the clamp falls off of the battery while charging, it will stop charging.
Memory function
• When charging, if the power is interrupted or reconnected the loose clamp, it will resume charging in the last selected mode.
• To prevent danger, press the selection button to complete charging and leave it on standby mode before finishing.
Detachable charging cable and clamp
• One-touch operation allows you to move the vehicle quickly even if the charging clip is simultaneously fastened on a low frequency vehicle.