pengenalan
This manual provides detailed instructions for the safe and efficient operation of your COSOOS MiBOXER C4 Smart Universal 4-Bay Battery Charger. Please read this manual thoroughly before use and retain it for future reference.

Image: The COSOOS MiBOXER C4 Smart Universal 4-Bay Battery Charger, showing its LCD display, four battery slots, and power cables.
Maklumat Keselamatan
- Read the user guide completely before operating the charger.
- Jangan cuba mengecas bateri yang tidak boleh dicas semula.
- Ensure correct battery polarity when inserting batteries. Incorrect insertion can cause damage to the charger or battery.
- Jangan dedahkan pengecas kepada air atau suhu yang melampau.
- Jauhkan pengecas daripada kanak-kanak dan haiwan peliharaan.
- Use only the provided power cord or a compatible DC 12V 2A power source.
- The charger is designed with fire-retardant materials and features excellent heat dissipation.
- If the charger displays an error or a battery appears damaged, discontinue use immediately.
Komponen Produk
Pakej termasuk:
- 1 x COSOOS MiBOXER C4 Smart Universal 4-Bay Battery Charger
- 1 x Power Cord (AC 90-260V)
- 1 x Manual Pengguna
Note: Batteries and car charging cable are not included.
Persediaan
- Sambungkan Kuasa: Plug the provided power cord into the AC input port on the back of the charger, then connect it to a standard wall outlet (AC 90-260V). Alternatively, for DC input, connect a compatible DC 12V 2A power source (e.g., car adapter, not included) to the DC input port.
- Hidupkan kuasa: The LCD display will illuminate, indicating the charger is ready for use.

Image: Close-up of the MiBOXER C4 charger showing the DC 12V and AC 86-265V input ports, along with a detailed view of the LCD display and internal resistance measurement.
Arahan Operasi
The MiBOXER C4 charger features four independent charging bays, allowing simultaneous charging of different battery types and sizes.
1. Memasukkan Bateri
- Carefully insert one or more rechargeable batteries into the charging slots (C1, C2, C3, C4), ensuring correct polarity (+ and - ends match the markings on the charger).
- The charger's thick negative pole slide track ensures secure contact for various battery sizes.

Image: The MiBOXER C4 charger with various battery types and sizes inserted, demonstrating its wide compatibility.
2. Automatic and Manual Battery Type Detection
- The charger will automatically detect Li-ion (4.2V) and Ni-MH/Ni-Cd (1.48V) battery types.
- For Li-ion (4.35V) and LiFePO4 (3.6V) batteries, you must manually select the battery type.
- Tekan ke SLOT button to select the desired charging bay.
- Tekan ke MODE button to cycle through the battery types (Li-ion 4.35V, LiFePO4 3.6V).
- The selected battery type will be displayed on the LCD.
3. Memahami Paparan LCD
The large LCD provides comprehensive information for each charging slot:
- Jenis Bateri: Displays the detected or manually selected battery chemistry (e.g., Li-ion 4.2V, Ni-MH).
- Voltage: vol semasatage daripada bateri.
- semasa: Charging current in Amperes (A).
- Masa Pengecasan: Duration of the current charging cycle.
- Kapasiti Bateri: Accumulated mAh charged into the battery.
- Rintangan Dalaman: Displays the internal resistance of the battery in mΩ.
- Bateri Percentage: Anggaran tahap caj.
- Charging Symbol: Menunjukkan pengecasan aktif.

Imej: A terperinci view of the MiBOXER C4's LCD screen, highlighting and labeling each piece of information displayed, such as battery type, percentage, charging time, capacity, internal resistance, and voltage.
4. Adjusting Charging Current
- The charger can automatically select an optimal charging current.
- To manually adjust the charging current (up to 1.5A max per channel):
- Tekan ke SLOT button to select the desired charging bay.
- Tekan dan tahan butang MODE button to enter current adjustment mode.
- Tekan ke MODE button repeatedly to cycle through available current options (e.g., 0.1A, 0.3A, 0.5A, 0.7A, 1.0A, 1.5A).
- Lepaskan MODE butang untuk mengesahkan pemilihan.
5. Discharge Function (Slot 4 Only)
The 4th charging bay (C4) has a discharge function to measure the real capacity of a battery.
- Insert the battery into slot C4.
- Tekan ke SLOT button until C4 is selected.
- Tekan dan tahan butang MODE button to cycle through modes until "DISCHARGE" or a similar indicator appears.
- The charger will discharge the battery and then recharge it, displaying the measured capacity. This process can take several hours.
6. Automatic Charging Completion
The charger will automatically stop charging when batteries are fully charged, preventing overcharging and extending battery life. The display will show "FULL" for the respective slot.

Image: The MiBOXER C4 charger displaying an error for incorrect battery insertion and showing "FULL" when a battery is completely charged.
Keserasian Bateri
The MiBOXER C4 charger is compatible with a wide range of cylindrical rechargeable batteries:
| Jenis Bateri | Nominal Voltage | Saiz yang Serasi |
|---|---|---|
| Li-ion / IMR / INR / ICR | 4.2V / 4.35V | 10340, 10350, 10440, 10500, 12340, 12500, 12650, 13450, 13500, 13650, 14350, 14430, 14500, 14650, 16500, 16340 (RCR123), 16650, 17350, 17500, 17650, 17670, 18350, 18490, 18500, 18650, 18700, 20700, 21700, 22500, 22650, 25500, 26500, 26650 |
| LiFePO4 | 3.6V | (Same sizes as Li-ion, manual selection required) |
| Ni-MH / Ni-Cd | 1.48V | AA, AAA, AAAA, C, SC |

Image: The MiBOXER C4 charger illustrating its full compatibility with various battery types and sizes, including Li-ion, LiFePO4, Ni-MH, and Ni-Cd cells.
Penyelenggaraan
- Pembersihan: Putuskan sambungan pengecas daripada kuasa sebelum membersihkan. Gunakan kain lembut dan kering untuk mengelap permukaan. Jangan gunakan pembersih atau pelarut yang kasar.
- Storan: Simpan pengecas di tempat yang sejuk dan kering jauh dari cahaya matahari langsung dan kelembapan apabila tidak digunakan.
- Pemeriksaan: Periodically inspect the power cord and charger for any signs of damage. If damage is found, discontinue use and contact support.
Menyelesaikan masalah
- Pengecas Tidak Dihidupkan:
- Ensure the power cord is securely connected to both the charger and a working power outlet.
- Sahkan alur keluar kuasa berfungsi.
- "ERR" Displayed:
- This indicates a battery error. Check if the battery is inserted with correct polarity.
- The battery might be short-circuited or damaged. Remove the battery and inspect it.
- If a damaged battery is detected, the charger will stop charging.
- Bateri Tidak Dicas:
- Ensure the battery is properly seated in the slot and making good contact.
- Verify the battery type is correctly detected or manually selected, especially for Li-ion 4.35V and LiFePO4.
- The battery might be over-discharged. The charger has a function to activate some over-discharged lithium batteries.
- Difficulty with Button Operations:
- Refer to the "Operating Instructions" section for specific button press sequences (short press, long press) for SLOT dan MODE butang.
Spesifikasi
| Ciri | Perincian |
|---|---|
| Model | MiBOXER C4 |
| Input Voltage | AC 90-260V, DC 12V 2A |
| Keluaran Voltage | 4.35V / 4.2V / 3.6V / 1.48V |
| Arus Pengecasan Maks | 1.5A setiap saluran |
| Bilangan Teluk | 4 Independent Bays |
| Paparan | LCD dengan lampu latar |
| Dimensi (L x W x H) | 6.3 x 4.1 x 1.6 inci (160 x 104 x 41 mm) |
| Berat badan | 13.3 auns (377 gram) |
| bahan | PC Fire-retardant material |
| Perlindungan | Reverse polarity, short circuit, overcharge, damaged battery detection |
Waranti dan Sokongan
The COSOOS MiBOXER C4 Smart Universal 4-Bay Battery Charger comes with a 36-month warranty from the date of purchase, covering manufacturing defects.
For technical support, warranty claims, or any questions regarding your product, please contact COSOOS customer service through the retailer where the product was purchased or visit the official COSOOS webtapak untuk maklumat hubungan.
Please have your purchase receipt and product model number (C4) ready when contacting support.