CTEK MULTI US 3300 12 Volt Fully Automatic 4 Step Battery Charger

MULTI US 3300 demonstrates the progress made in today’s technology for battery charging. The MULTI US 3300 has a primary switch mode battery charger together with pulse maintenance. The MULTI US 3300 is designed to give a battery maximum life.

The CTEK Multi US 3300 is a member of a family of professional chargers from CTEK SWEDEN AB. It represents the state-of-the-art of today’s technology for battery charging. Please read these operating instructions carefully before operating the MULTI US 3300.

Download Product Specifications Sheet

• Unique 4 step charging system with a patented program that tests battery condition and, charges and maintains to ensure maximum battery life and performance
• There are only 2 authorized resellers on Amazon, amazon.com and Hoerr Racing Products
• No sparks, short-circuit proof and reverse polarity protected makes it safe for all the vehicles electronics and easy to use
• Water and dust resistant means it is safe to use in all climate situations
• Connect and forget, no need to disconnect battery from the vehicle when charging

• Voltage AC 85-125 VAC, 50-60 Hz
• Current 1.1 A rms
• Back Current Drain* 1.3 mA
• Charging Voltage Nominal: 12 V 14.4/14.7V
• Ripple** Max 50 mV rms, max 0.13 A.
• Charging Current 0.8/3.3 A max
• Ambient Temp - 20°C till + 50°C. Automatic reduction of power.
• Cooling Natural convection. Do not cover the charger.
• Three step fully automatic IUoUp, with pulse maintenance mode.
• Type of batteries All types of lead-acid batteries.
• Battery Capacity 2-90 Ah
• Dimensions 6 1/2 x 2 3/8 x 1 1/2 inches (L x W x H)
• Enclosure Splashproof/Rainproof.
• Weight 1.1 lbs