1. Introducció
The MiBOXER C4-12 is an advanced four-slot smart charger designed for a wide range of rechargeable batteries. It features independent charging channels, automatic battery type detection, and multiple safety protections. This manual provides essential information for the safe and efficient operation of your C4-12 charger.
2. Instruccions de seguretat
- Llegiu atentament aquest manual abans del primer ús.
- No intenteu carregar bateries no recarregables.
- Utilitzeu només l'adaptador d'alimentació subministrat.
- Do not disassemble, modify, or short-circuit the charger.
- Keep the charger away from water, moisture, high temperatures, and direct sunlight.
- Assegureu-vos que hi hagi una ventilació adequada durant la càrrega. No tapeu el carregador.
- Supervise the charging process, especially when charging new or unfamiliar battery types.
- If any abnormality occurs, unplug the charger immediately.
3. Contingut del paquet
- 1 x MiBOXER C4-12 Battery Charger
- 1 x adaptador de corrent (DC 12V 5A)
- 1 x Manual d'usuari
4. Característiques del producte
- Four Independent Charging Slots: Each slot operates independently, allowing simultaneous charging of different battery types and sizes.
- Corrent de càrrega alt: Up to 3.0A charging current per slot, enabling rapid charging of high-capacity batteries.
- Àmplia compatibilitat: Supports various Li-ion (4.2V/4.35V) and Ni-MH/Ni-Cd (1.48V) battery sizes, including 10340 to 26650 for Li-ion, and AAAA, AAA, AA, A, SC, C, D for Ni-MH/Ni-Cd.
- Detecció intel·ligent: Automatically identifies battery type (Li-ion, Ni-MH, Ni-Cd) and selects the optimal charging mode.
- Pantalla avançada: Provides real-time information such as charging current, voltage, capacity, internal resistance, and charging time.
- Monitorització de la temperatura: Automatically detects battery temperature to prevent overheating.
- 0V Activation: Capable of activating deeply discharged Li-ion batteries.
- Proteccions de seguretat: Features over-charge, over-discharge, short-circuit, and reverse polarity protection.
- Construcció duradora: Made from fire-resistant PC and ABS materials.

Image: The MiBOXER C4-12 charger highlighting its automatic functions, including optimal current matching, temperature detection, battery capacity calculation, percentage display, automatic battery recognition, 0V activation, internal resistance detection, and charging time accumulation.

Image: The MiBOXER C4-12 charger showcasing its broad compatibility with numerous Li-ion battery sizes (from 10340 to 26650) and Ni-MH/Ni-Cd battery types (AAAA, AAA, AA, A, C, D).
5. Especificacions
| Paràmetre | Valor |
|---|---|
| Model | C4-12 |
| Entrada Voltage / Actual | DC 12V / 5A |
| Vol. De sortidatage (Li-ion) | 4.2 V ± 0.1% |
| Vol. De sortidatage (Ni-MH/Ni-Cd) | 1.48 V ± 0.1% |
| Output Current (Li-ion) | Max 4 x 3A |
| Output Current (Ni-MH/Ni-Cd) | Max 4 x 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 |
| Compatible Ni-MH/Ni-Cd Batteries | AAAA, AAA, AA, A, SC, C, D |
| Nombre de ranures | 4 |
| Material | PC + ABS (Fire-resistant) |
| Pes | 485 grams |
| Dimensions | 16.2 cm (Length, other dimensions not specified) |
6. Configuració
- Desembaleu el carregador: Carefully remove the C4-12 charger and its accessories from the packaging.
- Connectar l'alimentació: Insert the DC plug of the provided power adapter into the input port on the back of the charger. Plug the other end of the power adapter into a suitable wall outlet (100-240V AC).
- Pantalla inicial: The charger's display will illuminate, indicating it is powered on and ready for use.

Image: The MiBOXER C4-12 smart charger shown alongside its power adapter, ready for connection.
7. Instruccions de funcionament
- Insereix les piles: Insert one or more rechargeable batteries into the charging slots. Ensure the positive (+) and negative (-) terminals of the battery match the markings on the charger. The charger will automatically detect the battery type and begin charging.
- Pantalla del monitor: The LCD screen will show real-time charging status for each slot, including voltage, current, charged capacity (mAh), internal resistance, and charging time.
- Select Slot Information: Premeu el botó Ranura button to cycle through the detailed information for each individual charging slot.
- Adjust Charging Parameters (Manual Mode):
- While a battery is charging, press the Ranura button to select the desired slot.
- Manteniu premut el botó MODE durant uns segons per entrar al mode de configuració manual.
- Premeu el botó MODE button repeatedly to cycle through adjustable parameters (e.g., charging current).
- Utilitza el Ranura button to change the value of the selected parameter.
- Once settings are adjusted, the charger will resume charging with the new parameters.
- Finalització de la càrrega: The charger will automatically stop charging when the batteries are fully charged. The display will indicate completion.
- Traieu les bateries: Once charging is complete, remove the batteries from the slots.

Image: The MiBOXER C4-12 charger with four batteries inserted into its slots, demonstrating its multi-slot charging capability.

Image: The MiBOXER C4-12 smart charger illustrating its versatility by showing various devices that use the types of batteries it can charge, such as toy cars, remote controls, electronic cigarettes, electric shavers, flashlights, and microphones.
8. Manteniment
- Neteja: Disconnect the charger from power before cleaning. Use a soft, dry cloth to wipe the surface of the charger. Do not use abrasive cleaners or solvents.
- Emmagatzematge: When not in use, store the charger in a cool, dry place, away from direct sunlight and moisture.
- Evitar l'impacte: Do not drop or subject the charger to heavy impact.
9. Solució De Problemes
- El carregador no s'encén:
- Assegureu-vos que l'adaptador de corrent estigui connectat correctament tant al carregador com a la presa de corrent.
- Verifiqueu que la presa de corrent de paret funciona.
- La bateria no es carrega:
- Comproveu si la pila està inserida amb la polaritat correcta (+/-).
- Ensure the battery is a compatible rechargeable type.
- Clean the battery contacts and charger contacts if they appear dirty.
- The battery might be deeply discharged (0V activation should attempt to revive it, but some batteries may be beyond recovery).
- Missatge d'error a la pantalla:
- Refer to the specific error code (if displayed) in the full user manual for detailed instructions.
- Often indicates a battery fault (e.g., short circuit, over-voltage) or incorrect battery insertion. Remove and re-insert the battery.
- Charger or Battery Getting Hot:
- Some warmth is normal during charging. However, if it becomes excessively hot, immediately remove the battery and unplug the charger.
- Assegureu-vos una ventilació adequada al voltant del carregador.
10. Garantia i Suport
The MiBOXER C4-12 charger comes with a 3 any de garantia. For any quality issues, operational questions, or technical support, please contact MiBOXER customer service. We are committed to providing 100% satisfaction and support for our products.