XTAR NEW UPGRADED PB2SL V2 18650 18700 20700 21700 Battery Charger & Power Bank
XTAR NEW UPGRADED PB2SL V2 18650 18700 20700 21700 Battery Charger & Power Bank
Couldn't load pickup availability

PB2SL V2
The Return of a Classic. Smarter. Safer. Better.
lf 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 displayenhanced 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 | 1. Enter low current mode by long press only when the screen is off. 2. Exit by turning off USB output. |
1. Double-click to enter/exit when the screen is on. 2. Screen stays on to show battery status. |
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. |
1. Uses 5V for single cell.
2. Dual cells trigger fast charging after balancing. |
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. |
USB-C: 5s
USB-A: 38s |
More efficient screen off behavior for different use. |








