GYS Flash 4A 12V Intelligent Battery Charger, GYSFLASH412
Manufacturer's Warranty Included.
GYS Flash 4A 12V Intelligent Battery Charger, GYSFLASH412 is backordered and will ship as soon as it is back in stock.



Having moved to a new location and setting up a ltd with all the chaos that involves, buying the needed equipment to service cars was difficult. Advantage Empire worked hard to get me up and running to stay profitable thanks guys
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Delivery, Shipping & Install
Delivery, Shipping & Install
Standard Shipping time: 3 to 5 business days
Order Handling time: 1 to 2 business days
Most orders will be shipped out within 1 business day except weekends and holidays. See our Shipping Policy for full details.
For Installation & Engineering Services, please call 0116 4810180.
Returning An Order
Returning An Order
We want you to be completely satisfied with your purchase. If you’re not, we’re here to help. Returns are accepted within 30 days of delivery. For change-of-mind returns you pay return shipping and a 15% restocking fee may be deducted - faulty, damaged or incorrect items are always refunded in full.
See our Returns & Refunds Policy for full details.
GYS Flash 4A 12V Intelligent Battery Charger
If you run workshops and breakdown technicians dealing with vehicle batteries and starting faults, this is built for the kind of work you do day to day. In practice, you connect it to the vehicle's battery to test its condition, recharge it, or provide a jump start.
Benefits
- Charge small batteries in half the time - the 7-step curve is tuned specifically for capacities under 70Ah
- Swap between bikes, jet-skis and mowers fast - waterproof quick-connect connectors make repeated attachment easy
- Charge without opening the bonnet - optional cigarette lighter adaptor cable available
- Store seasonal vehicles with confidence - safe to leave connected indefinitely for maintenance charging over winter
- Recover batteries other chargers won't touch - SOS Recovery restarts cells down to 2V
Advantages
- Tailored for small 12V batteries, optimising each phase of the charge cycle for capacity, longevity, and speed.
- Dedicated charge profile for Start and Stop AGM batteries and for charging in cold conditions below 5 degrees Celsius.
- Recovers deeply discharged batteries down to 2V that conventional chargers cannot restart.
- Fast and secure attachment, suited to repeated use across multiple vehicles in a workshop or at home.
- Optional cable allows charging via the vehicle cigarette lighter socket without opening the bonnet.
Features
- 7-Step Intelligent Charging Curve
- AGM and Winter Mode
- SOS Recovery
- Waterproof Quick-Connect Connectors
- Cigarette Lighter Adaptor Compatible
- IP65 Rated
- Auto Restart
- Wall-Mountable
- Compatible Voltage: 12V
- Battery Capacity Range: 1.2 to 70Ah (maintenance charging up to 130Ah)
- Charging Steps: 7
- Charge Modes: Standard, AGM/Winter, SOS Recovery
- Minimum Recoverable Voltage: 2V (SOS Recovery)
- IP Rating: IP65
- Mounting: Wall-mountable
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