Auto Choice 12V 24V 20A Smart Battery Charger PMSBC20

When you’re maintaining larger batteries or managing multiple vehicles, charging speed and recovery capability matter. The Auto Choice 12V/24V 20A Smart Battery Charger (PMSBC20) is designed for high-performance charging across a wide range of modern vehicle batteries, offering advanced smart control and enhanced protection in a portable, workshop-ready unit.

Delivering up to 20A in 12V mode and 10A in 24V mode, this charger works significantly faster than lower amp models, making it well suited to garages, fleet maintenance, agricultural machinery, vans, and trucks. It supports most modern battery types excluding lithium-ion, including:

• Calcium

• Gel

• AGM

• Wet

• Lead Acid

• LiFePO4 (as listed in technical compatibility section)

A key feature is its low minimum start voltage of 5.0V, allowing the charger to detect and begin charging heavily depleted batteries that many standard chargers cannot recover.

Advanced 7-Stage Charging Cycle

The PMSBC20 uses a fully automatic 7-stage process to maximise battery performance and longevity:

1. Desulphation – Breaks down sulphation build-up in neglected batteries

2. Soft Start – Gentle pre-charge to protect battery life

3. Bulk Mode – Rapid charge to approximately 80% capacity

4. Absorption – Controlled top-up to 100%

5. Battery Test – Confirms charge success

6. Recondition – Attempts recovery of deeply discharged batteries

7. Float Mode – Maintains full charge without overcharging

This intelligent system allows the charger to remain connected safely for maintenance charging without risk of damage.

Clear Digital Display & Seasonal Modes

A large, easy-to-read screen displays:

• Charge status

• Voltage

• Current

• Temperature

• Battery charge level

• Summer mode

• Winter mode

The integrated cooling fan and thermal protection (rated between -5°C to +65°C) ensure stable performance across varied workshop conditions.

With its folding handle and built-in cable tidy, the charger remains portable and easy to store.

Key Features

• 12V (20A) and 24V (10A) charging output

• 30% faster charging compared to lower amp models

• Low minimum start voltage of 5.0V

• 7-stage intelligent charging cycle

• Large digital display screen

• Summer and winter charging modes

• Suitable for most battery types (excluding lithium-ion)

• Switch mode technology

• Polarity protection

• Output short protection

• Non-battery link protection

• Over voltage protection

• Over temperature protection

• Built-in cooling fan

• Portable design with folding handle

Technical Specifications

• Input Voltage: 100–240V AC, 50–60Hz

• Rated Output: 12V 20A / 24V 10A

• Minimum Start Voltage: 5.0V

• Battery Capacity Range: 6Ah – 300Ah

• Charging Stages: 7

• Cooling: Fan assisted

• Thermal Protection: -5°C to +65°C

• Technology: Switch mode

• Battery Compatibility: Calcium, Gel, AGM, Wet, Lead Acid, LiFePO4

• SKU: PMSBC20

What’s Included

• 1 x Auto Choice 12V/24V 20A Smart Battery Charger (PMSBC20)

• Attached charging leads with clamps

• Integrated power cable

• Built-in cable management system