

Prices Exclude Tax
The GYSFLASH 100.12 with 5m cables is a robust 100A inverter charger and power supply tailored for professional workshops, diagnostics, and showrooms. It delivers accurate voltage control for 12V Lead-Acid (Gel, AGM, Liquid, Calcium) and Lithium (LiFePO₄) batteries, ensuring stable power up to 100 amps. Offering five selectable modes—Charge, Showroom, Diagnostic, Battery Change, and Power Supply.
it provides versatile support for maintenance, repair, and calibration tasks. Its compact, fanless IP67-rated design enables quiet, dust-free operation and easy placement under vehicles. Features like Auto Restart, SOS Recovery for deeply discharged batteries, and Expert Mode for customized charging enhance safety and functionality in demanding environments.



It’s ideal for maintaining voltage during diagnostics, ECU reprogramming, or showroom display while safely charging 12V Lead-Acid or Lithium batteries.
Yes. It delivers a 100% duty cycle at up to 75A continuous power, with full 100A output in normal temperature conditions.
The GYSFLASH 100.12 includes spark prevention, reverse polarity, overload, and thermal protection to safeguard both the charger and vehicle electronics.
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.