Product Description
VMAX 12V 20A Smart Battery Charger
The VMAX BC8S1220A is a 12V 20A fully automatic battery charger that follows an 8-stage charging sequence to optimize battery health, improve performance, and prevent overcharging to ensure the long battery lifespans. The BC8S1220A offers wide chemistry compatibility for AGM, Gel, Flooded, MF, and Calcium batteries in the 80–400Ah range. Whether you are maintaining seasonal equipment, keeping a backup battery ready, or restoring a drained battery, this compact charger provides advanced charging & maintaining functions with user-friendly operation.
Features & Benefits
- Smart Charging – Charges and maintains for optimal battery health and performance.
- Wide Battery Compatibility – Supports AGM, Gel, Flooded, MF, and Calcium battery types.
- Automatic Maintenance Mode – Float and Pulse stages keep the voltage ideal for extended storage periods.
- Battery Recovery – Desulfation and Recondition functions help restore performance in sulfated batteries.
- Safety Protections – Includes reverse polarity, short circuit, over-voltage, and thermal protections.
- Fan Cooled – Thermostatically controlled cooling fan maintains charging performance under heavy use.
8-Stage Charging & Maintaining
Automatically moves through Desulfation, Soft Start, Bulk, Absorption, Analyze, Recondition, Float, and Pulse Charging for a complete battery optimization cycle. See User Manual for detailed explanations of each stage.
Why Choose a VMAX BC8S Series Battery Charger
VMAX designed the BC8S series chargers to do more than simply push power into a battery. Their controlled charging logic is designed to respond to battery condition throughout the process, from gentle soft start charging to long-term float and pulse maintenance. These chargers are an excellent choice if you need battery longevity, storage readiness, and consistent charging results. Built with functional details, including mounting flanges for installation, LED stage indicators to keep you informed of progress, and multiple protection features for safer operation. For dependable charging and maintaining of AGM, GEL, flooded, MF, or calcium batteries, BC8S Series chargers offer the automatic control that makes ownership easy.
| Voltage | 12 Volts |
| Peak Current | 20 Amps |
| Battery Types | AGM, Flooded, Gel, MF, Calcium |
| Charging Voltages | Varies by battery type and stage. (See User Manual) |
| Recommended Battery Capacity |
80-400 Ah |
| Battery Connection | Alligator Clamps |
| Length | 8.54" (217 mm) |
| Width | 4.57" (116 mm) |
| Height | 2.44" (62 mm) |
| Weight | 2.8 lbs (1.28 kg) |
| Input Voltage | 110V AC |
| Certifications | CB CE IEC60335 EN61000 EN55014 |
| Warranty | 1 Year |
