Inverter Battery Charger with Start-Assist Function Wertberg Smart Start (LG6.69) (Code: LG6.69)

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⚡ Inverter Battery Charger–Starter Wertberg LG 6.96 Smart Start

A professional device designed for traditional lead-acid batteries (WET – liquid electrolyte), gel batteries (GEL – gel electrolyte), and AGM batteries (absorbed electrolyte) with a nominal voltage of 12 V and 24 V.

The device accurately, efficiently, and safely restores high battery performance across a wide capacity range. The optimal operating range is from 40 Ah to 800 Ah (smaller batteries can also be effectively charged with lower-power chargers, while larger batteries simply require more charging time).

Equipped with an engine start function for internal combustion engines (petrol and diesel), delivering an effective yet safe starting current of up to 600 A, and allowing precise adjustment of the maximum charging current from 5 A to 90 A.

⚡ Wertberg LG 6.96 Smart Start – Technical Specifications

Power supply: 230 V / 50 Hz
Technology: IGBT inverter
Charging process: 4-stage
Charging current: up to 90 A
Starting current: up to 600 A
Integrated thermostat
Cooling fan
Push-button control panel
LCD display
LED indicator lights
Protection class: IP20
Weight: 3.5 kg
Dimensions: 32 × 23 × 13 cm
Power cable length: 1.9 m
Working cable length: 1.4 m
Working cable cross-section: 10 mm²

⚡ Supported Batteries

Voltage: 12 V | 24 V
Types: WET | GEL | AGM
Optimal capacity: up to 800 Ah

⚡ Universal Applications

Passenger cars, vans, trucks, minibuses and buses, campers, forklifts, agricultural machinery, quad bikes, scooters, motorcycles, boats and camping equipment, as well as all other devices and vehicles with 12 V or 24 V batteries.

⚡ Advanced Inverter Technology – Efficiency, Economy, and Convenience

IGBT inverter technology
Support for 12 V and 24 V systems
Designed for batteries up to 800 Ah (WET, GEL, AGM)
Charging current adjustment: 5–90 A
Effective engine start up to 600 A
Integrated thermostat and cooling fan
4-stage operating mode
Adjustable maximum charging current
Informative LCD display
Lightweight – only 3.5 kg
Compact dimensions
Operational safety – CE certified

⚡ Charging Parameter Selection

Safe current limitation: the optimal charging current is approximately 10% of the battery capacity (Ah).
For example, for a 250 Ah battery, it is recommended to set the charging current to no more than 25 A. The device automatically adjusts the current (0–25 A) depending on battery condition and charging stage.

Automatic start pulse in “START” mode
Protection against short circuit and reverse polarity with error indication
Full charge indication and automatic switch to maintenance mode
Intuitive push-button control, LCD display, and LED indicators
Easy transport and storage – approx. 70% lighter and smaller than traditional transformer chargers
Comfortable and durable carrying handle

⚡ Control and Indication

Charging current adjustment knob – precise current setting
Buttons: mode selection (charge ↔ start), voltage selection (12 V ↔ 24 V)
LCD display: actual charging current
LED indicators: charging mode, connection error, start mode, 12 V mode, 24 V mode

⚡ 4-Stage Charging Cycle

Initial charging (battery voltage < 12 V)
Constant current charging
Constant voltage charging
Maintenance charging

During charging, the LED indicator lights red; after full charge, it turns green.

⚡ Robust Design and High Quality

Painted metal housing
Slim and compact design
High-quality components
Working cables: 2 × 140 cm, 10 mm², reinforced insulation
Insulated clamps

Inverter Battery Charger with Start-Assist Function Wertberg Smart Start (LG6.69) (Code: LG6.69)

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