NC2 Dual Slot 3.7V Li Ion Battery Charger with USB Type C Input and Multi Protection
Dual Slot 3.7V Li Ion Battery Charger
The NC2 dual slot lithium ion battery charger is designed for charging a wide range of rechargeable 3.7V cylindrical lithium ion batteries. Featuring a USB Type C power input, 1000mA charging current and multiple protection functions, it provides a practical charging solution for different cylindrical battery sizes.
The charger supports a broad range of battery formats, including 14500, 16340, 18650, 21700, 26650 and other compatible cylindrical lithium ion batteries. Its two-slot design allows users to charge batteries conveniently.
The intelligent charging system includes reverse connection protection, short circuit protection, overcharge protection and low voltage activation. When a compatible battery is connected correctly, the charger automatically detects its voltage and manages the charging process.
With a charging cutoff voltage of 4.20V ±0.06V, the NC2 is designed for rechargeable 3.7V lithium ion batteries. Its compact design and USB Type C input make it suitable for personal use, battery accessory applications and retail distribution.
Key Features
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Dual slot lithium ion battery charger
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Designed for rechargeable 3.7V cylindrical batteries
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USB Type C input
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DC 5V 2A input power
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1000mA ±10% charging current
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4.20V ±0.06V cutoff voltage
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Wide battery size compatibility
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Reverse connection protection
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Short circuit protection
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Overcharge protection and automatic detection
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Low voltage battery activation function
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Compact two-slot design
| Specification | Details |
|---|---|
| Product Type | Dual Slot Li Ion Battery Charger |
| Battery Chemistry | Rechargeable Li Ion |
| Nominal Battery Voltage | 3.7V |
| Charging Slots | 2 |
| Input Interface | USB Type C |
| Input Voltage | DC 5V |
| Input Current | 2A |
| Charging Current | 1000mA ±10% |
| Charging Cutoff Voltage | 4.20V ±0.06V |
| Low Voltage Activation Current | 10mA–20mA |
| Low Voltage Activation Condition | Battery voltage below 2.9V |
| External Power Standby Current | Less than 20.0mA |
| Protection Functions | Reverse Connection, Short Circuit, Overcharge |
| Supported Battery Sizes | 14500, 14650, 16340, 16650, 17650, 17670, 18350, 18490, 18500, 18650, 18700, 22650, 20700, 21700, 22700, 25500, 26550, 26700, 26800, 27000 |
| Operating Temperature | -20°C to +65°C |
| Storage Temperature | -40°C to +70°C |
| Product Dimensions | Approx. 59 × 109mm |
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Dual Slot 3.7V Li Ion Battery Charger
The NC2 dual slot lithium ion battery charger is designed for charging a wide range of rechargeable 3.7V cylindrical lithium ion batteries. Featuring a USB Type C power input, 1000mA charging current and multiple protection functions, it provides a practical charging solution for different cylindrical battery sizes. The charger supports a broad range of battery formats, including 14500, 16340, 18650, 21700, 26650 and other compatible cylindrical lithium ion batteries. Its two-slot design allows users to charge batteries conveniently. The intelligent charging system includes reverse connection protection, short circuit protection, overcharge protection and low voltage activation. When a compatible battery is connected correctly, the charger automatically detects its voltage and manages the charging process. With a charging cutoff voltage of 4.20V ±0.06V, the NC2 is designed for rechargeable 3.7V lithium ion batteries. Its compact design and USB Type C input make it suitable for personal use, battery accessory applications and retail distribution. Key Features-
Dual slot lithium ion battery charger
-
Designed for rechargeable 3.7V cylindrical batteries
-
USB Type C input
-
DC 5V 2A input power
-
1000mA ±10% charging current
-
4.20V ±0.06V cutoff voltage
-
Wide battery size compatibility
-
Reverse connection protection
-
Short circuit protection
-
Overcharge protection and automatic detection
-
Low voltage battery activation function
-
Compact two-slot design
1. Wide Battery Compatibility
Supports multiple 3.7V cylindrical lithium ion battery formats, including 14500, 16340, 18650, 21700, 26650 and other listed sizes.
2. Dual Slot Charging Design
Features two charging positions for convenient rechargeable battery charging.
3. USB Type C Input
Uses a DC 5V 2A USB Type C power input.
4. 1000mA Charging Current
Provides a specified charging current of 1000mA ±10%.
5. Controlled Charging Cutoff Voltage
Features a charging cutoff voltage of 4.20V ±0.06V.
6. Reverse Connection Protection
Includes protection against incorrect positive and negative battery connections.
7. Short Circuit Protection
Provides short circuit protection for charging channels and connected batteries.
8. Overcharge Protection
Automatically detects the charging condition and stops charging when the battery is full.
9. Low Voltage Activation
Supports activation of compatible low voltage batteries under the conditions described in the manual.
10. Automatic Battery Detection
Detects battery voltage and manages the charging process automatically.
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What products does YiFang offer?
YiFang specializes in batteries, chargers, battery packs, and power solutions, including Li-ion, LiMn (IMR), Ni-MH, and LiFePO₄ batteries.
Does YiFang provide OEM/ODM services?
Yes, we offer flexible OEM and ODM customization, including product design, specifications, and packaging to meet your exact requirements.
What industries use YiFang products?
Our products are widely used in e-cigarettes, UAVs, balance scooters, electric bikes, electronic equipment, toys, flashlights, and other commercial and industrial applications.
What is YiFang’s production capacity?
YiFang operates its own factory with automated production lines, producing up to 100,000 units daily, ensuring consistent quality and timely delivery.
How can I contact YiFang for orders or inquiries?
You can contact us via our website inquiry form, email, or phone. Our team is ready to provide professional guidance and customized solutions.
What industries use YiFang products?
Our products are widely used in e-cigarettes, UAVs, balance scooters, electric bikes, electronic equipment, toys, flashlights, and other commercial and industrial applications.
What industries use YiFang products?
Our products are widely used in e-cigarettes, UAVs, balance scooters, electric bikes, electronic equipment, toys, flashlights, and other commercial and industrial applications.
What warranty and after-sales support does YiFang offer?
We provide 6–12 months warranty, responsive customer support, and global insurance coverage for long-term reliability and customer peace of mind.
