The Güde GDB 24V/12V-200 digital battery charger is a professional charger with inverter technology and microprocessor control, compatible with all major 12 V and 24 V vehicle battery types. The charging process runs in 10 fully automatic stages including diagnosis, recovery, charging and maintenance functions. Features emergency jump-start up to 200 A and protection against overcharge, short circuit, overheating and reverse polarity. Made in Germany by Güde, founded 1948. Distributed in Italy by Krollit, official Güde distributor since 2007.
- Output voltage: 12 V / 24 V
- Effective charging current: 5 / 15 / 30 / 40 A
- Battery capacity: 20–450 Ah
- Mains voltage: 230 V / 50 Hz
- Mains power: 6,000 W
- Slow-blow fuse: 16 A
- Power fuses: 10 x 50 A
- Emergency jump-start function: up to 200 A
- Jump-start without pre-charge: 35–50 Ah
- Jump-start with pre-charge: 65–100 Ah
- Compatible battery types: PB (lead-acid), GEL, AGM, WET, EFB
- Charging process: 10 fully automatic stages
- Display: LED for charging current, voltage and progress
- Dimensions: 297 × 295 × 670 mm
- Net weight: 16.8 kg
- Transport: 2 integrated wheels
Who uses the GDB 24V/12V-200 and for what
The Güde GDB 24V/12V-200 is used by mechanical workshops, auto electricians and automotive professionals who need to charge and maintain 12 V and 24 V vehicle batteries, including trucks, buses, construction machinery and dual-battery vehicles. In Italy it is adopted by those managing commercial vehicle fleets with 24 V batteries, those who need the recovery function for deeply discharged batteries (from 1.5 V), and service centres requiring a charger with 200 A emergency jump-start capability for roadside assistance. The 2 integrated wheels make it easy to move despite the 16.8 kg weight.
Who it is for
| Profile | Compatibility | Reason |
|---|
| Mechanical workshop and auto electrician with 12 V and 24 V vehicles | Suitable | Covers both voltages (12 V and 24 V) with currents up to 40 A and capacity up to 450 Ah; compatible with all major battery types used in professional settings |
| Fleet service centre with commercial vehicles and trucks | Suitable | The 200 A emergency jump-start function and recovery function for batteries discharged down to 1.5 V cover the critical situations typical of fleet management |
| Home user with a single 12 V passenger car | Not suitable | Dimensions (670 mm height, 16.8 kg) and 6,000 W mains power are oversized for a single passenger vehicle; more compact models from the Güde range are recommended for domestic use |
Not suitable for: domestic use on a single passenger car, for which more compact Güde models are available; and for lithium batteries (LiFePO4), which are not listed among the compatible types declared by the manufacturer.
Technical specifications
| Mains voltage | 230 V / 50 Hz |
| Mains power | 6,000 W |
| Slow-blow fuse | 16 A |
| Output voltage | 12 V / 24 V |
| Effective charging current | 5 / 15 / 30 / 40 A |
| Battery capacity | 20–450 Ah |
| Power fuses | 10 x 50 A |
| Jump-start function | 200 A |
| Jump-start without pre-charge | 35–50 Ah |
| Jump-start with pre-charge | 65–100 Ah |
| Battery types | PB (lead-acid), GEL, AGM, WET, EFB |
| Charging stages | 10 fully automatic |
| Display | LED: charging current, voltage, progress |
| Technology | Inverter with microprocessor control |
| Protections | Overcharge, short circuit, overheating, reverse polarity |
| Length | 297 mm |
| Width | 295 mm |
| Height | 670 mm |
| Net weight | 16.8 kg |
| Shipping weight | 18.4 kg |
| Transport | 2 integrated wheels |
| Clamps | Fully insulated |
| GTIN | 4015671966445 |
| Güde article code | 85128 |
| Compliance | CE |
Original Güde spare parts
| Code | Description | Price incl. VAT |
|---|
| 85129-01001 | Wheel | €5.39 |
| 85129-01002 | Wheel fastening | €2.09 |
| 85129-01003 | Wheel axle | €4.62 |
| 85129-01004 | Main circuit board | €59.90 |
| 85129-03005 | Circuit board with display | €21.99 |
| 85129-01006 | Fan | €14.18 |
| 85129-01007 | Relay | €19.69 |
| 85128-01008 | Rectifier | €29.60 |
| 85129-01009 | Connection socket | €3.19 |
| 85129-01010 | Pole cable with connector | €16.99 |
| 85129-01011 | Power fuse holder | €3.19 |
| 85129-01012 | Earth cable | €9.79 |
| 85074-01008 | 50 A fuse – pack of 2 | €6.49 |
| 85129-01018 | Red clamp | €7.59 |
| 85129-01019 | Black clamp | €7.59 |
Frequently asked questions
Can the GDB 24V/12V-200 charge a completely flat battery?
Yes. The Güde recovery function is designed for deeply discharged batteries down to 1.5 V. The charger automatically initiates a recovery cycle before the standard charging process begins. For direct emergency jump-start without pre-charge, batteries with a capacity of 35–50 Ah are required; with pre-charge the range increases to 65–100 Ah.
Is it compatible with AGM and GEL batteries in modern vehicles with Start&Stop systems?
Yes. The GDB 24V/12V-200 is compatible with AGM (absorbent glass mat) and GEL batteries, both widely used in vehicles with Start&Stop systems. The battery type is selected via the control panel before starting the charge cycle.
Can the charger be left connected long-term?
Yes. Once charging is complete, the unit automatically switches to constant maintenance charge mode, allowing permanent connection without risk of overcharge. This function is useful for vehicles stored for extended periods or for winter battery maintenance.
What are the most commonly requested spare parts for the GDB 24V/12V-200?
The highest-turnover spare parts are the 50 A power fuses (code 85074-01008, pack of 2, €6.49), the red and black clamps (85129-01018 and 85129-01019, €7.59 each) and the earth cable (85129-01012, €9.79). Original Güde spare parts are available from Krollit stock, Monteforte Irpino (AV).
What warranty does Krollit offer on the GDB 24V/12V-200?
The Güde GDB 24V/12V-200 battery charger is covered by the official Güde 24-month warranty. Krollit provides Italian-language technical support throughout the product's lifetime and holds original Güde spare parts in stock. To open a support request contact +39 0825-1494022.
Logistics and Krollit support
Shipping 5–9 working days (7 days for southern Italian regions). Italian-language technical support available throughout the product's lifetime. Original Güde spare parts available from Krollit stock, Monteforte Irpino (AV).
