Bubuka
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.
Émbaran Kasalametan
PERHATOSAN: Baca sagala warnings kaamanan jeung parentah. Gagalna nuturkeun peringatan sareng petunjuk tiasa nyababkeun shock listrik, seuneu, sareng/atanapi tatu anu parah.
- Always operate the charger in a well-ventilated area.
- Avoid sparks, flames, or smoking near the battery during charging, as batteries can produce explosive gases.
- Anggo panyalindungan panon sareng pakean pelindung nalika damel sareng batré.
- 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.
- Ulah ngoperasikeun carjer upami katarajang pukulan anu seukeut, murag, atanapi ruksak ku cara sanés.
Eusi pakét
Pastikeun yén sadaya item aya dina pakét anjeun:
- CJ TECH 750mA Automatic Float Battery Charger/Maintainer Unit
- Batre Clamp Panyambung
- Ring Terminal Panyambung

Image: The CJ TECH 750mA Automatic Float Battery Charger unit shown with its two interchangeable connection accessories: battery clamps and ring terminal connectors.
Produk Leuwihview
The CJ TECH 750mA Automatic Float Battery Charger/Maintainer is a compact and durable device designed for efficient battery care. It features automatic voltage detection and multiple safety protections.
Indikator LED
- LED beureum: Nunjukkeun batréna ayeuna keur dicas.
- LED héjo: Indicates the battery is fully charged and the charger is in maintenance (float) mode.

Gambar: A lengkep view of the charger unit, highlighting the LED indicators for 'CHARGING' (red) and 'STORAGE' (green), along with input/output specifications.
Disetél
- Identipikasi Batré Voltage: 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.
- Nyambung ka Batré:
- Nyambungkeun BEureum positive (+) connector to the positive (+) battery terminal.
- Nyambungkeun HIDEUNG negative (-) connector to the negative (-) battery terminal.
Ensure a secure connection. Avoid touching the positive and negative connectors together.
- Nyambung ka Daya AC: Plug the charger's AC power cord into a standard 100-240V AC electrical outlet.

Image: The charger unit shown connected to an ATV battery using the battery clamp connectors, illustrating a typical setup scenario.
Parentah Operasi
The CJ TECH charger operates automatically once connected to a battery and power source.
- Otomatis Voltage Deteksi: 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.
- Mode ngecas: When the battery is charging, the LED beureum 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 LED héjo 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.
- Pegatkeun sambungan: 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, kaluaran voltage, charging current, battery types, activation voltage, and housing protection.
Pangropéa
Proper maintenance ensures the longevity and reliable operation of your charger and batteries.
- beberesih: 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.
- Pamariksaan kabel: Regularly inspect the power cord and battery connectors for any signs of damage, fraying, or corrosion. Replace damaged components immediately.
- Panyimpenan: Upami teu dianggo, simpen carjer di tempat anu tiis sareng garing, jauh tina sinar panonpoé langsung sareng suhu anu ekstrim. Pastikeun kabelna digulung rapih pikeun nyegah karusakan.
- Perawatan batré: For optimal battery life, ensure battery terminals are clean and free of corrosion before connecting the charger.
Pamérésan masalah
Upami anjeun mendakan masalah sareng carjer anjeun, tingal masalah sareng solusi umum ieu:
| Masalah | Mungkin Cukang lantaranana | Solusi |
|---|---|---|
| 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. |
| Charger gets warm during operation | Operasi normal. | A slight increase in temperature is normal during charging. Ensure adequate ventilation around the charger. |
spésifikasi
- Jumlah modél: 25305-EV
- Masukan Voltage: AC 100-240V, 50/60Hz
- Kaluaran Voltage: 6V DC / 12V DC (Automatic Detection)
- Ngecas Ayeuna: 0.75A ± 0.1A
- Jinis batré: 6V/12V Lead-Acid Batteries (AGM, GEL)
- Activation Voltage: 4V for 6V batteries, 8V for 12V batteries
- Perlindungan Perumahan: IP64 Tahan Cai
- Ukuran produk: 3 x 3 x 5 inci
- Beurat barang: 9.9 ons
- Sertifikasi: CETL / CE-EMC / CE-LVD / ROHS
Garansi sareng Rojongan
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.





