Description
AC040 CHARGE N MAINTAIN 4 Amp 6/12V 8-Stage Automatic Battery Charger – Smart Maintenance Charger for Automotive and Marine Batteries
The AC040 Charge N Maintain 4 Amp Smart Battery Charger is a fully automatic 6V/12V intelligent charger designed for safe, efficient and long-term battery charging and maintenance. Ideal for DIY users, workshops, automotive enthusiasts and marine applications, this smart charger delivers reliable battery care with minimal effort.
Engineered with advanced 8-stage charging technology for 12V batteries and 3-stage charging for 6V systems, the AC040 automatically adjusts its charging process based on battery condition. This ensures optimal charging efficiency, improved battery lifespan, and reduced risk of overcharging or damage.
Compatible with a wide range of battery types including AGM, GEL, Wet, Calcium and Lead Acid batteries, the AC040 is suitable for cars, motorcycles, boats, caravans, ride-on mowers and seasonal vehicles. Its smart monitoring system communicates with the battery in real time to optimise charging performance and maintain readiness for use.
With built-in safety protection including reverse polarity, short circuit protection and fully automatic operation, this charger is designed for safe “connect and forget” use. It can also maintain batteries over long periods, making it ideal for vehicles that are not used regularly.
Key Features:
• 4 Amp smart battery charger and maintainer
• Compatible with 6V and 12V automotive and marine batteries
• Advanced 8-stage automatic charging (12V) and 3-stage (6V)
• Suitable for AGM, GEL, Wet, Calcium and Lead Acid batteries
• Fully automatic operation with no risk of overcharging
• Battery maintenance mode for long-term storage vehicles
• Short circuit and reverse polarity protection for safe use
• Designed for cars, motorcycles, boats, caravans and ride-on equipment
• Compact, lightweight and easy DIY installation
• IP65 rated for durability and protection
Technical Specifications:
• Output Voltage: 6V / 12V
• Output Current: 1A / 4A (12V), 4A (6V)
• Charging Stages: 8-stage (12V), 3-stage (6V)
• Battery Compatibility: AGM, GEL, Wet, Calcium, Lead Acid
• Minimum Start Voltage: 2.0V
• Input: 100–240VAC, 50–60Hz
• IP Rating: IP65
• Dimensions: 225 x 60 x 90mm
• Weight: 660g
• Warranty: 5 Years
Perfect For:
• Battery charging and long-term maintenance
• Cars, motorcycles and marine batteries
• Seasonal or infrequently used vehicles
• Workshop and DIY automotive use
• Reliable battery health and longevity support
