Zavedení
This manual provides detailed instructions for the safe and effective use of your CJ TECH 750mA Automatic Float Battery Charger/Maintainer, Model 25305-EV. This device is designed to charge and maintain 6V and 12V lead-acid batteries, including AGM and GEL types, ensuring optimal battery performance and extending battery life. Please read this manual thoroughly before operation and retain it for future reference.
Bezpečnostní informace
VAROVÁNÍ: Přečtěte si všechna bezpečnostní varování a pokyny. Nedodržení varování a pokynů může vést k úrazu elektrickým proudem, požáru a/nebo vážnému zranění.
- Nabíječku vždy používejte v dobře větraném prostoru.
- Avoid sparks, flames, or smoking near the battery during charging, as batteries can produce explosive gases.
- Při práci s bateriemi používejte ochranu očí a ochranný oděv.
- Disconnect the AC power supply before making or breaking connections to the battery.
- This charger is designed for 6V and 12V lead-acid batteries only. Do not use it to charge dry-cell batteries that are commonly used with home appliances, as these may burst and cause injury to persons and damage to property.
- Keep the charger and its components out of reach of children.
- The charger has an IP64 water-resistant rating, meaning it is protected from dust and splashing water. It is not designed to be submerged in water.
- Nepoužívejte nabíječku, pokud utrpěla silný úder, upustila nebo byla jinak poškozena.
Obsah balení
Ověřte, zda jsou v balení přítomny všechny položky:
- CJ TECH 750mA Automatic Float Battery Charger/Maintainer Unit
- Baterie Clamp Konektor
- Prstencový terminálový konektor

Image: The CJ TECH 750mA Automatic Float Battery Charger unit shown with its two interchangeable connection accessories: battery clamps and ring terminal connectors.
Konec produktuview
The CJ TECH 750mA Automatic Float Battery Charger/Maintainer is a compact and durable device designed for efficient battery care. It features automatic voltagdetekce e a několik bezpečnostních ochranných prvků.
LED indikátory
- ČERVENÁ LED: Indikuje, že se baterie aktuálně nabíjí.
- ZELENÁ LED: Indicates the battery is fully charged and the charger is in maintenance (float) mode.

Obrázek: Podrobný view of the charger unit, highlighting the LED indicators for 'CHARGING' (red) and 'STORAGE' (green), along with input/output specifications.
Nastavení
- Identifikace objemu baterietage: Determine if your battery is 6V or 12V. The charger automatically detects the voltage once connected.
- Choose Connector: Select either the battery clamp connector or the ring terminal connector based on your battery's terminals.
- Připojení k baterii:
- Připojte ČERVENÝ positive (+) connector to the positive (+) battery terminal.
- Připojte ČERNÝ negative (-) connector to the negative (-) battery terminal.
Ensure a secure connection. Avoid touching the positive and negative connectors together.
- Připojení k napájení ze sítě: Zapojte napájecí kabel nabíječky do standardní elektrické zásuvky s napětím 100–240 V.

Image: The charger unit shown connected to an ATV battery using the battery clamp connectors, illustrating a typical setup scenario.
Návod k obsluze
The CJ TECH charger operates automatically once connected to a battery and power source.
- Automatický svtage Detekce: The charger will automatically detect if the connected battery is 6V or 12V. It requires an activation voltage of 4V for 6V batteries and 8V for 12V batteries to begin charging.
- Režim nabíjení: When the battery is charging, the ČERVENÁ LED will illuminate. The charger delivers a constant current of 0.75A ±0.1A during this phase.
- Maintenance (Float) Mode: Once the battery reaches full charge, the charger automatically switches to maintenance mode, and the ZELENÁ LED will illuminate. In this mode, the charger provides a small, continuous current to keep the battery at optimal charge without overcharging, preventing sulfation and extending battery life.
- Odpojení: To disconnect the charger, first unplug it from the AC power outlet, then disconnect the negative (-) battery connector, followed by the positive (+) battery connector.

Image: An illustration showing the charger's connection diagram to a battery and AC power, alongside a table detailing input voltage, výstupní objemtage, charging current, battery types, activation voltage, and housing protection.
Údržba
Proper maintenance ensures the longevity and reliable operation of your charger and batteries.
- Čištění: Keep the charger unit clean and free from dust and debris. Use a dry cloth to wipe the exterior. Do not use solvents or abrasive cleaners.
- Kontrola kabelů: Regularly inspect the power cord and battery connectors for any signs of damage, fraying, or corrosion. Replace damaged components immediately.
- Skladování: When not in use, store the charger in a cool, dry place, away from direct sunlight and extreme temperatures. Ensure cables are neatly coiled to prevent damage.
- Péče o baterie: For optimal battery life, ensure battery terminals are clean and free of corrosion before connecting the charger.
Odstraňování problémů
Pokud narazíte na problémy s nabíječkou, podívejte se na následující běžné problémy a jejich řešení:
| Problém | Možná příčina | Řešení |
|---|---|---|
| Charger not turning on / No LEDs illuminated | No AC power; Battery voltage too low for activation. | Check AC outlet and power cord connection. Ensure battery voltage is above 4V (for 6V) or 8V (for 12V). |
| RED LED stays on indefinitely | Battery is deeply discharged or damaged; Incorrect battery connection. | Allow more time for charging. Check battery connections for proper polarity. If the issue persists, the battery may be faulty. |
| GREEN LED is on, but battery seems low | Battery is faulty and cannot hold a charge. | Test the battery with a battery tester. The battery may need replacement. |
| Nabíječka se během provozu zahřívá | Normální provoz. | A slight increase in temperature is normal during charging. Ensure adequate ventilation around the charger. |
Specifikace
- Číslo modelu: 25305-EV
- Vstupní objemtage: AC 100-240V, 50/60Hz
- Výstupní objemtage: 6V DC / 12V DC (automatická detekce)
- Nabíjecí proud: 0.75A ± 0.1A
- Typy baterií: 6V/12V Lead-Acid Batteries (AGM, GEL)
- Activation Voltage: 4V for 6V batteries, 8V for 12V batteries
- Ochrana bydlení: IP64 Voděodolný
- Rozměry produktu: 3 x 3 x 5 palce
- Hmotnost položky: 9.9 unce
- certifikace: CETL / CE-EMC / CE-LVD / ROHS
Záruka a podpora
For warranty information or technical support, please refer to the documentation included with your purchase or contact CJ TECH customer service. Keep your proof of purchase for warranty claims.





