ChargeDNA 1.1, 1.1 Amp,12 Volt Fully Automatic Battery Charger for Lead-Acid Batteries.

The ChargeDNA 1.1 is a fully automatic battery charger and maintainer for 12V automotive, motorcycle, ATV, and marine lead-acid batteries. It has a state-of-the-art circuit design that delivers the exact charge your battery needs while maximizing efficiency. After charging, it will monitor your battery and keep it 100% charged.

• Designed to charge lead-acid batteries up to 55Ah.
• Fully automatic for everyday battery charging. Designed to fully charge your battery and will never overcharge.
• A built-in microcontroller continuously monitors battery charge condition to provide precise charge voltage and current to give your battery an optimum charge and then monitor the battery to maintain it at full charge.
• Compatible with all types of vehicle batteries: cars, motorcycles, lawnmowers, ATVs, tractors, trucks, SUVs, boats and more.
• Listed in the U.S. Department of Energy"s Compliance Certification Database.
• Built-in safety provides spark-proof connections and reverse polarity protection.
• Operating Temperature: -4° to 122°F (-20° to +50°C)
• Storage Temperature: -22° to 140°F (-30° to +60°C)

Intelligent Adaptive Charge Algorithm:

Pre-Charge:

• Stage 1: Battery qualification
• Stage 2: Battery recovery/soft-start

Charging:

• Stage 3: Bulk charge to at least 80% charged
• Stage 4: Absorption charge
• Stage 5: Maintenance/Float charge