XTAR PB2SL V2 User Manual

1. Introduction

The XTAR PB2SL V2 is a versatile 2-in-1 device that functions as both a smart battery charger and a portable power bank. Designed for convenience and efficiency, it supports various battery types including 18650, 18700, 20700, and 21700, allowing you to customize its capacity. With advanced fast-charging protocols and intelligent management features, the PB2SL V2 ensures safe and efficient power delivery for your batteries and external devices.

Image: The XTAR PB2SL V2 device highlighting its dual functionality as a charger and power bank.

2. Important Safety Warnings

⚠ Please read all safety instructions carefully before use and keep this manual for future reference.

• Fire Risk: Always follow the instruction manual strictly for charging and storage to prevent potential fire hazards.
• Do not disassemble, modify, or repair the device yourself.
• Keep the device away from water, moisture, and high temperatures.
• Use only compatible batteries and charging cables.
• Ensure proper battery polarity when inserting batteries into the charger.
• Do not expose the device to direct sunlight or extreme heat.
• Keep out of reach of children.

3. Package Contents

The XTAR PB2SL V2 package typically includes:

• XTAR PB2SL V2 Charger & Power Bank
• USB Type-C Cable
• User Manual

Image: Contents of the XTAR PB2SL V2 package, including the device, USB cable, and user manual.

4. Product Overview

The PB2SL V2 features a user-friendly design with an HD display and various components for optimal performance.

Image: Detailed view of the XTAR PB2SL V2 highlighting user-friendly features such as the HD screen, removable locking spacer, rotating plastic piece for battery fixation, magnetic cover, premium metal negative poles, and built-in ribbon for easy battery removal.

• HD Screen: Displays real-time power, voltage, and current.
• Removable Locking Spacer: Accommodates flat-top cells.
• Rotating Plastic Piece: Fixes 18650 cells tighter.
• Magnetic Cover: Shields against dust and prevents batteries from rolling out.
• Premium Metal Negative Poles: Ensures lasting durability.
• Built-in Ribbon: For effortlessly removing batteries.
• Dual Output Ports: Type-C and USB-A for charging multiple devices.

5. Specifications

Image: Specifications table for the XTAR PB2SL V2, detailing input/output, charging parameters, operating temperature, dimensions, and weight.

6. Setup

6.1 Inserting Batteries

• Open the magnetic cover of the PB2SL V2.
• Insert compatible 18650, 18700, 20700, or 21700 Li-ion batteries into the slots, ensuring correct polarity (+/-). The built-in ribbon can assist with easy removal later.
• If using 18650 batteries, the rotating plastic piece can be adjusted to fix them tighter.
• Close the magnetic cover.

Image: The XTAR PB2SL V2 charger demonstrating its wide compatibility with various battery sizes (18650, 18700, 20700, 21700) and the DIY capacity feature.

7. Operating Instructions

7.1 Charging Batteries (Charger Function)

• Insert batteries into the PB2SL V2 as described in the Setup section.
• Connect the PB2SL V2 to a power source using the provided USB Type-C cable.
• The HD screen will display charging status, including voltage and current.
• The device features Intelligent 3-Stage Charging (TC/CC/CV) for optimal battery health and Smart Energy Balance for efficient charging of two batteries with different capacities.
• Charging will automatically stop when batteries are fully charged.

Image: Animated diagram illustrating the smart charging and discharging features: Smart Energy Balance, Intelligent 3-Stage Charging, and Low Voltage Activation.

7.2 Using as a Power Bank (Discharging Function)

• Ensure charged batteries are inserted into the PB2SL V2.
• Connect your external device (e.g., smartphone, earbuds) to the PB2SL V2 using a compatible USB cable via either the Type-C or USB-A output port.
• The PB2SL V2 will automatically begin charging your device.
• The HD screen will display the power bank's remaining battery percentage and output status.
• The PB2SL V2 supports multiple fast-charging protocols including QC4+, PD3.0, PPS, and AFC, delivering up to 22.5W output.

Image: The XTAR PB2SL V2 demonstrating its dual output ports (Type-C and USB-A) by charging a smartphone and wireless earbuds simultaneously.

7.3 Display Information

• The HD screen provides real-time information on battery status, input/output voltage, and current.
• During charging, you can view the voltage and charge percentage of each battery separately by pressing the power button sequentially.

8. Maintenance

• Clean the device regularly with a soft, dry cloth. Do not use abrasive cleaners or solvents.
• Keep the battery slots free from dust and debris. The magnetic cover helps protect against dust.
• Store the device in a cool, dry place when not in use.
• Avoid dropping or subjecting the device to strong impacts.

9. Troubleshooting

• Device not charging/discharging:
  • Ensure batteries are correctly inserted with proper polarity.
  • Check if the USB cable is securely connected to both the device and the power source/external device.
  • Verify that the power source is functional.
  • Ensure the batteries are compatible and not damaged.
• Slow charging speed:
  • Ensure you are using a fast-charging adapter (e.g., QC3.0, PD 20W/45W/65W) for optimal speed.
  • Check the quality of the USB cable. A damaged or low-quality cable can reduce charging speed.
• Display not working:
  • Ensure batteries are inserted and have some charge, or connect the device to a power source.
  • If the issue persists, contact customer support.

10. User Tips

• USB-C to C Charging: If you encounter issues with USB-C to C charging, try using a C-to-A adapter with an A-to-C cable. Some users have reported better compatibility with this configuration for certain protocols.
• Low-Current Device Charging: For charging low-current devices (e.g., earbuds, smartwatches), double-press the power button to activate the dedicated low-current mode.
• Individual Battery Status: During charging, you can view the voltage and charge percentage of each battery separately by pressing the power button sequentially.

11. Frequently Asked Questions (FAQ)

Q: Does the XTAR PB2SL V2 come with rechargeable batteries?

A: No, the XTAR PB2SL V2 is a charger and power bank unit only. Batteries (18650, 18700, 20700, 21700) are sold separately and must be purchased according to your needs.

12. Warranty and Support

XTAR products are manufactured to high-quality standards. For warranty information, technical support, or service inquiries, please refer to the official XTAR website or contact your authorized dealer. Please retain your proof of purchase for warranty claims.

For additional information and resources, you may refer to the official user manual PDF: XTAR PB2SL V2 User Manual (PDF)