Email: info@xtar.cc New Arrivals→
Wide Compatibility
DlY Capacity
Dual-Port Fast Charge
Wide
Compatibility
DlY
Capacity
Dual-Port
Fast Charge
PB2SL V2 – The Return of a Classic
Smarter. Safer. Better.
If you loved PB2SL, you’ ll love what’s next.
We took everything users loved about the original PB2SL – and made it better. Faster charging, smarter display, enhanced protections, and smoother operation. This is the upgrade you’ve been waiting for!
PB2SL V2 – The
Return of a Classic
Smarter. Safer. Better.
If you loved PB2SL, you’ ll love what’s next.
We took everything users loved about the original PB2SL – and made it better. Faster charging, smarter display, enhanced protections, and smoother operation. This is the upgrade you’ve been waiting for!
Upgrade Highlights
See what’s changed and why it matters to you.
1. Smoother Operation
Feature |
PB2SL V1 (Old) |
PB2SL V2 (New) |
Benefit |
|---|---|---|---|
|
Startup Method |
Insert battery first, then adapter, otherwise it won't start. |
Starts in any order — insert battery or adapter first. |
Easier to use with no boot issues. |
|
Low-Current Mode |
|
|
Easy control and clear status—perfect for earbuds, watches, and more. |
2. Safer Battery Management
Feature |
PB2SL V1 (Old) |
PB2SL V2 (New) |
Benefit |
|---|---|---|---|
|
Battery Replacement |
Replacing during operation may damage device. |
Supports safely replacing the battery multiple times during operation. |
Improved hardware safety and worry-free operation. |
|
Charging Logic |
Unplug the adapter to stop fast charging, otherwise a single cell still remain in fast charge mode. |
|
Gentler on batteries, helping extend lifespan, reduce unnecessary load and enhance safety. |
3. Enhanced Charging Performance
Feature |
PB2SL V1 (Old) |
PB2SL V2 (New) |
Benefit |
|---|---|---|---|
|
Protocol Support |
Limited compatibility of protocols such as QC3.0 and PD3.0. |
Expanded support for QC4+, AFC, SCP, PPS and low-voltage direct charging protocols. |
Broader device compatibility, including flagship models from brands like Apple, Samsung, Huawei, and Xiaomi. |
|
Output Power |
Max 18W |
Up to 22.5W |
Faster overall charging speed. |
|
Fast Charge Input |
Supports 9V and 12V |
Limited to 9V |
Reduced heat and safer fast charge. |
4. More Accurate Display
Feature |
PB2SL V1 (Old) |
PB2SL V2 (New) |
Benefit |
|---|---|---|---|
|
Display Content |
Displays ‘OUT1’ upon battery insertion, even without load connected. |
Displays accurate battery information for each slot. |
More accurate feedback, less confusion. |
|
Battery Refresh |
Updates every 20s |
Updates every 10s |
More responsive and precise status updates. |
|
Screen Timeout |
35s timeout for all ports. |
|
More efficient screen off behavior for different use. |
PB2SL V2 Main Advantages
Wide Compatibility, DIY Capacity
Apply to all size of 18650, 18700, 20700, 21700 batteries. DIY the power bank capacity by simply replacing the batteries.
3H: 2 x 5000mAh 21700
2H: iPhone 15/16
Dual Output Ports: USB-C & USB-A
Charge multiple devices at the same time via USB-C and USB-A ports for multitasking convenience.
Wide Compatibility, DIY Capacity
Apply to all size of 18650, 18700, 20700, 21700 batteries. DIY the power bank capacity by simply replacing the batteries.
3H: 2 x 5000mAh 21700
2H: iPhone 15/16
Dual Output Ports:
USB-C & USB-A
Charge multiple devices at the same time via USB-C and USB-A ports for multitasking convenience.
Smart Charging and Discharging
Reliable charging solution with 3 key functions.
✅ Smart Energy Balance
This technology maximizes battery lifespan and efficiency. Simultaneously safely charging or discharging the two batteries with different capacities.
✅ Intelligent 3-Stage Charging
Trickle charging for pre-charging or reviving batteries, constant current for fast charging, and constant voltage for full charging, ensuring high accuracy full charging.
✅ Low Voltage Activation
Bring over-charged batteries back to life. Higher activation rates with micro-current, minimize the damage to battery life. Money and energy saving.
Advanced Safety Protections
Intelligent Detection
Timely Stop When Fully Charged
Over-Current Protection
Over-Charge Protection
Over-Voltage Protection
Short Circuit Protection
Intelligent Detection
Timely Stop When Fully Charged
Over-Current Protection
Over-Charge Protection
Over-Voltage Protection
Short Circuit Protection
Soft Start
Soft Start
User-friendly Design, Better Experience
Upgrade more details for better use.
HD Screen to check the power, voltage and current.
More secure hold, prevents battery slipping.
Premium metal negative poles for lasting durability.
Built-in ribbon for effortlessly remove batteries.
Portable & Easy-To-Carry
Hold in one hand, no burden in bag, pocket and outdoor.
Portable & Easy-To-Carry
Hold in one hand, no burden in bag, pocket and outdoor.
Specification
Specification
Model | PB2SL V1 | PB2SL V2 |
Input | OC3.0&PD3.0(5V 2A/9V 2A/12V 1.5A) | Rated：PD3.0 & QC3.0 (5V 3A/9V 2A) Other Protocols：PD2.0/QC2.0/ AFC/FCP/SCP/PE1.1 |
Constant Charging Current | 2Ax2/2Ax1/1Ax2 | 2Ax2/2Ax1/1Ax2 |
USB Output | USB-A Rated: QC3.0/QC2.0/FCP/PE2.0/PE1.1/SFCP USB-C Rated: PD3.0/PD2.0/QC3.0/QC2.0/FCP/PE2.0/PE1.1/SFCP | USB-A Rated: QC3.0 (5V 3A/9V 2A/12V 1.5A) Other Protocols：QC2.0/AFC/FCP/SCP/ PE2.0/PE1.1/SFCP/low-voltage direct charging USB-C Rated: PD3.0 & QC3.0 (5V 3A/9V 2A/12V 1.5A)/SCP (5V 4.5A) Other Protocols：PPS/PD2.0/QC4+/ QC2.0/AFC/FCP/PE2.0/PE1.1/SFCP |
Cut-Off Charging Voltage | 4.2±0.05V | 4.2±0.05V |
Cut-Off Charging Current | ≤120mA | ≤270mA |
Operating Temp. | 0-40℃ | 0-40℃ |
Dimensions(mm) | L125 x W58 x H28 | L125 x W58 x H28 |
Net Weight(g) | 85 | 85 |
Package
Package
Click to view PB2SL V2 FAQs guide