GYSFLASH 18.12 PL BATTERY CHARGER

High-Performance 12V Battery Charger and Support Unit for Lead-Acid and Lithium Batteries

The GYSFLASH 18.12 PL is a smart, high-output 12V battery charger and support unit designed for professional automotive and workshop use. Delivering up to 18 amps at 100% duty cycle, it ensures precise, reliable charging for all Lead-Acid (Gel, AGM, EFB, Liquid, Calcium) and Lithium (LiFePO₄) batteries from 7 Ah to 270 Ah.

It features dual charging programs with 7-step (Lead-Acid) and 8-step (Lithium) cycles for optimum battery conditioning and longevity. With selectable charge currents (7 A / 12 A / 18 A), Showroom Mode for vehicle demonstration, and Supply Mode for ECU and diagnostic support, this charger is ideal for workshops, showrooms, and maintenance bays. The integrated Auto Restart and temperature sensor functions ensure safe, continuous operation in all environments, while its robust, compact design makes it practical for daily professional use.

WHY BUY FROM BWS?

Specification

• Reference: 026926
• Input Voltage: 220–240 V AC (50/60 Hz)
• Power Output: 300 W
• Charging Current: 7 / 12 / 18 A (Selectable)
• Battery Voltage: 12 V
• Battery Capacity Range: 15 – 270 Ah (Lead-Acid) / 7 – 270 Ah (Lithium)
• Charging Curve: IU0U – 7 steps (Lead) / 8 steps (Lithium)
• Operating Modes: Charge / Maintenance / Showroom / Supply
• Ripple Voltage: < 100 mV RMS (protects onboard electronics)
• Protection Rating: IP32 (Lead) / IP31 (Lithium)
• Dimensions: 190 × 190 × 73 mm (body) / 193 × 260 × 95 mm (packaged)
• Weight: 1.55 kg

Features

• Dual Technology Charging: Fully automatic programs for Lead-Acid and LiFePO₄ batteries.
• Selectable Charging Output: 7 A, 12 A, or 18 A to match battery size and type.
• Showroom Mode: Maintains vehicle battery charge while powering onboard electronics during display.
• Supply Mode: Provides a stable DC supply during diagnostics or battery replacement.
• Auto Restart: Memorises settings and resumes charging after a power interruption.
• Deep Discharge Recovery: Charges batteries from as low as 2 V using UVP wake-up function.
• Temperature-Compensated Charging: External sensor adjusts charging profile according to ambient conditions.
• Comprehensive Protection: Prevents reverse polarity, short circuits, and overcharging with spark-free connection.
• Optional Accessories: 6 m charging cable (Ref. 027435) and magnetic mounting kit (Ref. 026063).

FAQs

1. What types of batteries can the GYSFLASH 18.12 PL charge?

It charges both 12 V Lead-Acid (Gel, AGM, EFB, Liquid, Calcium) and Lithium LiFePO₄ batteries from 7 Ah to 270 Ah.

2. What is “Showroom Mode” used for?

This mode supplies up to 18 A of current to maintain the battery while electrical accessories or diagnostics are active during vehicle display or service.

3. Can it recover deeply discharged batteries?

Yes. The UVP Wake-Up function allows reactivation and charging of batteries discharged down to 2 V.

4. Is it safe to leave connected for long periods?

Yes. The charger’s optimised maintenance cycle allows indefinite connection for storage or winter maintenance without overcharging.


Why Choose GYS from BWS Ltd As an approved GYS service centre with a nationwide team of trained engineers, BWS Ltd offers full sales, setup, and after-sales support for the GYS range. Buying from BWS ensures your investment includes: * Certified installation and training * Ongoing calibration and servicing * Expert support from real bodyshop engineers 
Trusted UK bodyshop & welding equipment supplier since 1994. Approved GYS Sales Service and Support Supplier – exceptional service, expert advice, and fast delivery you can rely on.