GYSFLASH 121.12 CNT FV 120A Smart Charger & Stabilised Power Supply – 12V Lead Acid & Lithium
Product Description
The GYSFLASH 121.12 CNT FV is a professional 120A smart charger and stabilised power supply designed for demanding automotive workshop environments. Ideal for auto locksmith diagnostics, ECU programming, coding, and advanced vehicle electronics work, it delivers ultra-stable 12V power for both lead-acid and lithium batteries, ensuring reliable voltage support during programming and diagnostic procedures.
Key Features
- Professional 120A smart charger and stabilised power supply designed for auto locksmiths, vehicle programmers, and diagnostic technicians
- Inverter technology delivers ultra-stable voltage during key programming, ECU coding, flashing, and immobiliser procedures
- Supports 12V lead-acid batteries including AGM, gel, calcium, flooded, and lithium LiFePO4 (LFP) systems
- Suitable for battery capacities from 20Ah to 1500Ah
- Ideal for maintaining stable voltage during EEPROM, OBD, and advanced vehicle programming operations
- 4 operating modes: Charging, Diagnostics, Showroom Power Supply, and Battery Tester
- Provides clean continuous voltage support for auto locksmith diagnostic and programming equipment
- 8-stage charging profile for lead-acid batteries and 9-stage charging profile for lithium batteries
- Automatic SOS Recovery mode restores deeply discharged batteries above 2V
- USB connectivity for charging profile customisation, software updates, and charging history export
- Smart Module Connector (SMC) supports optional workshop accessories including printers and barcode readers
- Auto-detect charging start function when battery is connected
- Auto-restart feature stores settings after power interruption
- Cable inspection and calibration functions for accurate voltage delivery during programming work
- Locking feature helps prevent accidental interruption or misuse during vehicle programming procedures
- Built-in protection against reverse polarity, short circuits, overcharging, and spark generation
- Intelligent temperature monitoring system protects against overheating during extended workshop use
- Durable shock- and vibration-resistant housing designed for workshop and mobile locksmith environments
- Compact low-profile design allows positioning beneath vehicles during diagnostics and programming work
- Intuitive interface with support for 22 languages
- Flexible Voltage (FV) technology operates between 85V and 265V input supply
Compatibility
- 12V automotive lead-acid batteries (AGM, EFB, gel, calcium, flooded)
- 12V lithium LiFePO4 (LFP) batteries
- Vehicle ECU diagnostic and programming systems requiring stabilised voltage supply
- Auto locksmith programming and diagnostic equipment
- Passenger vehicles, vans, commercial vehicles, and workshop applications with 12V systems
- Battery capacities from 20Ah up to 1500Ah
Included
- GYSFLASH 121.12 CNT FV 120A smart charger unit
- 5m charging cables (25mm²)
- Battery clamps / connection leads
- Integrated USB connectivity
- Multi-language user interface
- User instructions
Important Information (Disclaimer)
This website supplies automotive products including keys, tools, programmers, genuine, OEM, aftermarket parts, and accessories. We are not affiliated with, endorsed by, or connected to Audi, BMW, Ford, Peugeot, Renault, Vauxhall, Volkswagen or any other vehicle manufacturer. All manufacturer names, model names and part numbers are used solely for identification and compatibility purposes only. All trademarks remain the property of their respective owners. No logos are included unless explicitly stated.
