1. Киришүү
This manual provides detailed instructions for the safe and efficient operation of your COSOOS MiBOXER C4-12 Universal 4-Bay Smart Battery Charger. This intelligent charger is designed to accommodate a wide range of rechargeable battery types and sizes, offering advanced features such as rapid charging, temperature control, and comprehensive display information. Please read this manual thoroughly before first use to ensure proper functionality and safety.

Image 1: The COSOOS MiBOXER C4-12 Smart Battery Charger and its included power adapter.
2. Коопсуздук маалыматы
Бул продуктуну колдонуудан мурун бардык коопсуздук эскертүүлөрүн жана көрсөтмөлөрүн окуп чыгыңыз. Бул көрсөтмөлөрдү аткарбоо электр тогуна урунууга, өрткө же олуттуу жаракат алууга алып келиши мүмкүн.
- Жалпы коопсуздук: Always use the charger in a dry, well-ventilated area. Avoid exposure to water, high temperatures, or direct sunlight.
- Батарея шайкештиги: Only charge compatible rechargeable batteries as specified in this manual. Attempting to charge non-rechargeable batteries or incompatible types may cause explosion or leakage.
- Температураны көзөмөлдөө: The charger features intelligent temperature control. If the battery temperature exceeds 60℃ (140℉), the charging speed will be reduced. If it exceeds 70℃ (158℉), charging will stop automatically.
- Ашыкча кубаттан коргоо: The charger automatically stops charging when batteries are fully charged to prevent overcharging.
- Reverse Polarity & Short Circuit Protection: The charger is equipped with protection against incorrect battery insertion and short circuits. An error symbol will be displayed if detected.
- Активдештирүү функциясы: The smart charger can activate over-discharged batteries.
- Көзөмөл: Do not leave the charger unattended during operation, especially when charging for the first time.
- Зыян: If the charger or power adapter is damaged, discontinue use immediately and contact customer support.

Image 2: The charger features multiple protection mechanisms including flame-retardant materials, reverse battery protection, and short circuit protection.
3. Пакеттин мазмуну
Пакетиңизде бардык буюмдар бар экенин текшериңиз:
- 1 x COSOOS MiBOXER C4-12 Smart Battery Charger (Batteries not included)
- 1 x Кубат адаптери (12V/5A)
- 1 x User Manual

Image 3: The package includes the C4-12 charger, power adapter, and user manual.
4. Техникалык шарттар
| Параметр | Нарк |
|---|---|
| Модел | C4-12 |
| Өлчөмдөр | 6.2in x 4.7in x 1.7in (15.7cm x 11.9cm x 4.3cm) |
| Салмагы | 485г (1.07 фунт) |
| Материал | Fireproofing PC+ABS |
| Киргизүү көлөмүtage/Current | DC 12V 5A |
| Output Current (Li-ion) | Maximum 4*3A |
| Output Current (Ni-MH/Ni-Cd) | Maximum 4*1A |
| Compatible Li-ion Batteries | 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 (4.2V, 4.35V, 3.6V LiFePO4) |
| Compatible Ni-MH/Ni-Cd Batteries | AA, AAA, AAAA, C, SC (1.48V) |
| Дисплей | Көп функциялуу LCD |
5. Орнотуу
- Таңылганын ачуу: Кубаттоочу түзүлүштү жана бардык аксессуарларды таңгактан этияттык менен алып чыгыңыз.
- Туташуу кубаты: Insert the DC plug of the power adapter into the input port on the back of the charger. Plug the AC end of the power adapter into a standard wall outlet (AC 90-260V). The LCD display will illuminate.
- Баштапкы дисплей: Upon power-up, the LCD will show a brief self-test, then display 'NULL' for empty slots.
6. Иштөө нускамалары
The C4-12 charger features four independent charging bays, allowing simultaneous charging of different battery types.
6.1 Батареяларды салуу
- Identify the correct polarity (+/-) on your battery and the charger slot.
- Gently slide the battery into an empty charging slot, ensuring proper contact with the positive and negative terminals. The spring-loaded negative pole slide track accommodates various battery lengths.
- The charger will automatically detect the battery type (Li-ion, Ni-MH/Ni-Cd) and begin charging. The LCD will display charging information for that slot.
6.2 LCD дисплейди түшүнүү
The large LCD display provides real-time information for each charging slot:
- Батарея түрү: Indicates detected battery chemistry (e.g., Li-ion 4.2V, Ni-MH/Ni-Cd).
- Тtage (V): Учурдагы батареянын көлөмүtage.
- Учурдагы (A): Current charging ampөчүрүү.
- Заряддоо убактысы: Elapsed charging duration.
- Battery Capacity (mAh/mWh): Accumulated charge capacity.
- Internal Resistance (mΩ): Displays the battery's internal resistance.
- Temperature (℃/℉): Real-time battery temperature.
- Батарея Персенtage: Болжолдуу заряд деңгээли.
- Charge Symbol: Активдүү заряддоону көрсөтөт.

Image 4: The LCD provides rich information including battery type, temperature, internal resistance, current, voltage, and charge status.
6.3 Mode and Slot Buttons
Use the 'SLOT' and 'MODE' buttons to interact with the charger:
- SLOT Button: Press to cycle through the display information for each individual charging slot.
- MODE баскычы: After selecting a slot with the 'SLOT' button, press 'MODE' to change charging parameters (e.g., voltage for Li-ion batteries like 4.2V, 4.35V, or 3.6V LiFePO4). A long press may be required to enter mode selection.
The charger automatically selects the optimum charge current. For Li-ion batteries, the maximum is 3A per bay. For Ni-MH/Ni-Cd batteries, the maximum is 1A per bay.

Image 5: Key features include 3A/bay charging for Li-ion, automatic battery recognition, intelligent temperature control, and support for various battery types.
7. Техникалык тейлөө
To ensure the longevity and optimal performance of your COSOOS MiBOXER C4-12 charger:
- Тазалоо: Тазалоодон мурун кубаттагычты электр тармагынан сууруп коюңуз. Бетин жумшак, кургак чүпүрөк менен сүртүңүз. Абразивдүү тазалоочу каражаттарды же эриткичтерди колдонбоңуз.
- Сактагыч: Кубаттоочу түзүлүштү колдонбогон учурда салкын, кургак жерде, күндүн нуру түз тийбеген жана нымдуулуктан алыс сактаңыз.
- Текшерүү: Periodically inspect the power adapter and charging slots for any signs of damage or wear.
8. Кыйынчылыктарды
Эгер заряддагычыңыз менен көйгөйлөргө туш болсоңуз, төмөнкү жалпы көйгөйлөрдү жана чечимдерди караңыз:
| Көйгөй | Мүмкүн себеп | Чечим |
|---|---|---|
| Display shows 'Error' or 'NULL' | Incorrect battery insertion, short circuit, or incompatible battery. | Ensure battery is inserted with correct polarity. Check for any foreign objects in the slot. Verify battery type is compatible. |
| Батарея заряддалбай жатат | Poor contact, battery too deeply discharged, or charger malfunction. | Re-insert battery, ensuring good contact. The charger may attempt to activate deeply discharged batteries automatically. If not, the battery may be beyond recovery. |
| Charger or battery becomes excessively hot | High ambient temperature, faulty battery, or internal issue. | Ensure adequate ventilation. The charger will reduce current or stop charging if temperature limits are exceeded. If overheating persists, remove battery and discontinue use. |
| LCD backlight dims after 1 minute | Кадимки иштөө. | This is a power-saving feature. Press any button to re-illuminate. |
9. Кепилдик жана колдоо
COSOOS products are manufactured with quality and reliability in mind. For warranty information or technical support, please refer to the contact details provided on the product packaging or visit the official COSOOS webсайт. Сатып алуу квитанциясын кепилдик дооматтары үчүн сатып алуунун далили катары сактаңыз.





