BODYSHOP
WORKSHOP
WELDING
TOOLS
SAFETY

GYSFLASH 100.12 HF (2.5m Cables) - UK

Prices Exclude Tax

100A 12V Professional Smart Battery Charger and Power Supply Unit

The GYSFLASH 100.12 is a high-performance 100A inverter charger and power supply designed for professional workshops, diagnostics, and showrooms. Delivering precise voltage regulation for 12V Lead-Acid (Gel, AGM, Liquid, Calcium) and Lithium (LiFePO₄) batteries, it ensures safe, stable power delivery up to 100 amps. With five selectable modes — Charge, Showroom, Diagnostic, Battery Change, and Power Supply — it offers full flexibility for maintenance, repair, and calibration operations. The compact, fanless IP67-rated casing allows silent, dust-free operation and low-profile positioning beneath vehicles. Equipped with Auto Restart, SOS Recovery for deeply discharged batteries, and Expert Mode for custom charging curves, the GYSFLASH 100.12 combines intelligence, safety, and rugged build quality for heavy-duty professional use.

WHY BUY FROM BWS?

Mobile Service Engineer support
Technical Support Engineers
Equipment Trained Engineers

Specification

  • Reference: 029453
  • Input Voltage: 220 – 240 V AC (50/60 Hz)
  • Power Output: 1600 W
  • Charging Current: 100 A (12V)
  • Duty Cycle: 75 A @ 40°C / 100 A @ 25°C (100%)
  • Battery Voltage: 12 V
  • Battery Capacity Range: 20 – 1200 Ah
  • Charging Curve: 7-step (Lead) / 8-step (Lithium)
  • Ripple Voltage: <150 mV RMS (safe for ECU systems)
  • Protection Rating: IP67 (dust- and water-resistant)
  • Cable Options: 2.5 m or 5 m, 16 mm² cross-section
  • Dimensions: 32 × 10.5 × 29.2 cm
  • Weight: 4.7 kg (body) / 8 kg (with 5 m cables)

Features

  • 5 Operating Modes: Charge, Showroom, Diagnostic, Battery Change, and Power Supply modes for versatile workshop use.
  • High-Precision Power Supply: Maintains voltage stability during diagnostics and ECU updates up to 100A.
  • Fanless Cooling: Silent and maintenance-free with no dust ingress.
  • Low Profile Design: Only 10.5 cm high for easy placement under vehicles.
  • Auto Restart: Automatically resumes operation with memorised settings after a power cut.
  • SOS Recovery: Recovers deeply discharged batteries above 2V automatically.
  • Advanced Safety: Spark-free connection, reverse polarity, and overload protection.
  • Expert Mode: Customise charging curves to suit specific applications or OEM standards.
  • High Durability: Shock-resistant housing with vibration-absorbing feet for workshop and mobile use.
  • Multi-Language Interface: Intuitive display available in 22 languages.

FAQs

1. What are the main uses of the GYSFLASH 100.12?

It’s ideal for maintaining voltage during diagnostics, ECU reprogramming, or showroom display while safely charging 12V Lead-Acid or Lithium batteries.

2. Can the charger operate continuously?

Yes. It delivers a 100% duty cycle at up to 75A continuous power, with full 100A output in normal temperature conditions.

3. What protection features are included?

The GYSFLASH 100.12 includes spark prevention, reverse polarity, overload, and thermal protection to safeguard both the charger and vehicle electronics.

4. Is it suitable for under-vehicle use?

Yes. Its low-profile (10.5 cm) design and IP67 protection make it ideal for use beneath vehicles or in clean workshop environments.


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.