1. Introduction
This manual provides instructions for the safe and efficient use of your SmallRig NP-W235 Dual Camera Battery Charger Set. This set includes two 2040mAh rechargeable batteries and a dual-slot charger designed for various Fujifilm camera models.
What's in the Box
- 2 x NP-W235 Camera Battery
- 2 x Battery Protective Cover
- 1 x Dual Battery Charger (Built-in USB-A Cable)
- 1 x User Manual (this document)
2. Safety Information
The SmallRig NP-W235 Dual Camera Battery Charger is designed with multiple protection features to ensure safe operation. These include:
- Over-charging Protection
- Over-current Protection
- Over-discharge Protection
- Over-voltage Protection
- Short-circuit Protection
- Recovery Protection
Always use the charger in a dry environment and avoid exposure to moisture or extreme temperatures. Do not attempt to disassemble or modify the charger or batteries.

3. Setup and Charging
3.1 Connecting the Charger
The SmallRig dual charger offers flexible charging options:
- Built-in USB-A Cable: Unfold the integrated USB-A cable from the back of the charger and connect it to a USB power source (e.g., USB adapter, power bank, car charger).
- USB-C Input: Use a USB-C cable (not included) to connect the charger's USB-C input port to a compatible USB-C power source.
Note: Do not use both the USB-A and USB-C input interfaces simultaneously.


3.2 Inserting Batteries
Once the charger is connected to a power source, insert up to two NP-W235 batteries into the designated slots (CH1 and CH2). Ensure the batteries are inserted correctly according to their orientation. The charger is compatible with both SmallRig NP-W235 batteries and original Fujifilm NP-W235 batteries.

4. Operating Instructions
4.1 Intelligent LCD Screen
The charger features an intelligent LCD screen that provides real-time information about the charging process for each battery. When batteries are inserted and the charger is powered, the screen will display:
- Charging Current (mA)
- Charging Voltage (V)
- Charging Progress (indicated by a circular icon and percentage)
- Charged Capacity (mAh)

4.2 Battery Compatibility
The included NP-W235 batteries and the charger are fully decoded and compatible with the following Fujifilm camera models:
- Fujifilm X-T5
- Fujifilm X-T4
- Fujifilm VG-XT4
- Fujifilm X-S20
- Fujifilm GFX50S II
- Fujifilm GFX100S
- Fujifilm X-H2
- Fujifilm X-H2S

Video 4.1: An official SmallRig video demonstrating the features and usage of the Camera Battery and Charger Set, including its portability and charging capabilities.
5. Maintenance
- Keep the charger and batteries clean and dry. Use a soft, dry cloth to wipe surfaces.
- Store batteries in their protective covers when not in use to prevent short circuits and damage.
- Avoid storing the charger and batteries in extreme temperatures or direct sunlight.
- Do not expose the charger or batteries to water or other liquids.
6. Troubleshooting
- Charger not powering on: Ensure the USB-A cable or USB-C cable is securely connected to both the charger and a functional power source. Try a different power source or cable.
- Battery not charging: Verify that the battery is correctly inserted into the charger slot. Check the LCD screen for any error indicators. Ensure the battery contacts are clean.
- Slow charging: Ensure your power adapter provides at least 5V/2.1A output. Using a higher output adapter (within safe limits) may improve charging speed.
If issues persist, please contact SmallRig customer support for assistance.
7. Specifications
| Feature | Detail |
|---|---|
| Brand | SMALLRIG |
| Model Number | 3822-SR-FBA |
| Battery Type | Lithium Ion (NP-W235 equivalent) |
| Battery Capacity | 2040mAh (each) |
| Charger Input | USB-A (built-in), USB-C: 5V/2.1A (Min) |
| Output Voltage | 5 Volts |
| Product Dimensions | 1.97 x 1.57 x 1.57 inches (charger) |
| Item Weight | 7.8 ounces (total package) |
| Color | Black, Yellow (protective covers) |
8. Warranty and Support
SmallRig products are designed for reliability and performance. For warranty information, please refer to the official SmallRig website or contact their customer service directly. If you encounter any issues or have questions regarding your product, please reach out to SmallRig support for assistance.
You can visit the official SmallRig store for more information and support: SmallRig Official Store





