TSBar 20,000mAh 45W USB-C Laptop Power Bank
TSBar 20,000mAh 45W USB-C Laptop Power Bank
TSBar 20,000mAh 45W USB-C Laptop Power Bank
TSBar 20,000mAh 45W USB-C Laptop Power Bank
TSBar 20,000mAh 45W USB-C Laptop Power Bank
TSBar 20,000mAh 45W USB-C Laptop Power Bank
TSBar 20,000mAh 45W USB-C Laptop Power Bank
TSBar 20,000mAh 45W USB-C Laptop Power Bank
TSBar 20,000mAh 45W USB-C Laptop Power Bank
TSBar 20,000mAh 45W USB-C Laptop Power Bank
TSBar 20,000mAh 45W USB-C Laptop Power Bank
TSBar 20,000mAh 45W USB-C Laptop Power Bank
TSBar 20,000mAh 45W USB-C Laptop Power Bank
TSBar 20,000mAh 45W USB-C Laptop Power Bank
TSBar 20,000mAh 45W USB-C Laptop Power Bank
TSBar 20,000mAh 45W USB-C Laptop Power Bank
TSBar 20,000mAh 45W USB-C Laptop Power Bank
TSBar 20,000mAh 45W USB-C Laptop Power Bank
TSBar 20,000mAh 45W USB-C Laptop Power Bank
TSBar 20,000mAh 45W USB-C Laptop Power Bank

Techsmarter

TSBar 20,000mAh 45W USB-C Laptop Power Bank

POWER BEYOND YOUR DESK

MORE POWER.
MORE POSSIBILITIES.

USB-C power for busy days, working away and the journey home.

$29.99 USD
$59.99 USD $29.99 USD
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  • Free US shipping
  • 30-day free returns
  • 1-year warranty
  • Secure checkout
Delivery, returns & email support

Ships from Wallington, NJ. Orders can be dispatched within 24 business hours. Estimated transit time: 2–3 business days after dispatch.

Free returns for all eligible products within 30 days of delivery. Shipping & return details.

One-year limited warranty for covered quality-related issues. Read warranty terms.

Email support@techsmarterusa.com for help choosing or order support. We usually respond within 24 hours.

20,000mAhBattery capacity
45WMaximum port output
PPSAdaptive fast charging

01 / BUILT FOR YOUR DAY

YOUR DESK
CAN BE ANYWHERE.

Keep your everyday work kit powered between outlets. The Techsmarter TSBar 20,000mAh laptop power bank provides up to 45W USB-C PD for compatible laptops and tablets, plus two USB-A outputs for phones and accessories. PPS support enables fast charging on supported phones, and the digital display makes remaining battery easy to read. This portable charger suits coffee-shop work sessions, commutes and back-to-back appointments where a phone and a USB-C device both need backup power.

Device compatibility

Laptops 45W USB-C PD

Apple MacBook Air 13-inch and 15-inch (USB-C charging models); MacBook Pro 13-inch, 14-inch, 15-inch and 16-inch (USB-C charging models); Microsoft Surface Laptop 13-inch and Surface Laptop 7th Edition 13.8-inch / 15-inch; Lenovo IdeaPad Slim 3 15ITN9 / 15AMN8 and Yoga 7 2-in-1 14AKP10.

Gaming handhelds

Nintendo Switch, Nintendo Switch OLED and Nintendo Switch Lite.

Phones & tablets

All Apple iPhone models; Samsung Galaxy and other Android phones; all iPad, iPad mini, iPad Air and iPad Pro models; Samsung Galaxy Tab tablets; other USB-C rechargeable phones, tablets and accessories.

Wired charging with the appropriate USB-C, Lightning or other device-compatible cable. Charging speeds vary by device and workload. For laptops, use the main USB-C port; demanding tasks may use power faster than the power bank supplies it. Nintendo Switch compatibility refers to handheld charging. This list is not exhaustive.

TSBar 20,000mAh 45W USB-C Laptop Power Bank
TSBar 20,000mAh 45W USB-C Laptop Power Bank

02 / CHARGING CAPACITY

HOW MANY CHARGES?

Estimated wired charges for popular phones and tablets.

POWER THAT GOES FURTHER

How many charges?

Find your device. See how far your power bank can take you.

You’re viewing20K power bank
Estimated wired charges

Swipe to compare capacities →

Your device5,000mAh10,000mAhThis power bank20,000mAh30,000mAh40,000mAh
iPhone 13 / 14 / 14 ProStandard & Pro models≈1.1×≈2.2×≈4.4×≈6.6×≈8.8×
iPhone 15 / 15 ProStandard & Pro models≈1.1×≈2.1×≈4.3×≈6.4×≈8.6×
iPhone 16 / 16 ProStandard & Pro models≈1.0×≈2.0×≈4.0×≈6.0×≈8.0×
iPhone 14 Plus / 14 Pro MaxPlus & Pro Max models≈0.8×≈1.7×≈3.3×≈5.0×≈6.7×
iPhone 16 Plus / 16 Pro MaxPlus & Pro Max models≈0.8×≈1.5×≈3.1×≈4.6×≈6.1×
Galaxy S24 / S25Standard models≈0.9×≈1.8×≈3.6×≈5.3×≈7.1×
Galaxy S24+ / S25+Plus models≈0.7×≈1.5×≈2.9×≈4.4×≈5.8×
Galaxy S24 Ultra / S25 UltraUltra models≈0.7×≈1.4×≈2.9×≈4.3×≈5.7×
iPad (A16) / Air 11-inch (M3)11-inch tablets≈0.5×≈1.0×≈1.9×≈2.9×≈3.8×
iPad Air 13-inch (M3)13-inch tablet≈0.4×≈0.8×≈1.5×≈2.3×≈3.0×

1.5× = one full charge + another 50%. Actual results vary with use and charging conditions.

LAPTOP COMPATIBILITY

WILL IT CHARGE YOUR LAPTOP?

Find your laptop and check charging compatibility.

Power your laptop. Anywhere.Will it charge my laptop?

Find your laptop and see which Techsmarter power banks can charge it.

Charging compatibility · 45W USB-C

Your laptop 30W This model45W 65W 100W
MacBook Air 13″ M42025 Charges Charges Charges ChargesFast-charge capable
MacBook Air 13″ M52026 Charges Charges Charges ChargesFast-charge capable
MacBook Pro 14″2021 and later Charges Charges Charges ChargesFast-charge capable
MacBook Pro 16″2019 and later Charges Charges Charges Charges
IdeaPad Slim 315ITN9 / 15AMN8 — Charges Charges Charges
Galaxy Book5 Pro14″ / 16″ — — Charges Charges
MacBook Air 15″ M42025 Charges Charges Charges ChargesFast-charge capable
MacBook Pro 13″ / 15″USB-C models, 2016 and later Charges Charges Charges Charges
Yoga 7 2-in-114AKP10 — Charges Charges Charges
ASUS Zenbook 14UX3405CA — — Charges Charges
Surface Laptop13″; 7th Edition 13.8″ / 15″ — Charges Charges Charges
Galaxy Book5 36015″ — — Charges Charges
✓ Charges   — Not confirmed

Charging speed varies by laptop and use. Connect to the main USB-C port. For full 65W or 100W output, use a 5A USB-C cable. Lower-power charging may not keep up with demanding tasks.

03 / THE FINER DETAILS

KNOW YOUR POWER.

Select a topic to explore

Features at a glance
20,000mAh capacity
Compare estimated full charges for your phone or iPad in the chart above.
45W USB-C laptop charging
Up to 45W USB-C Power Delivery for compatible laptops and tablets; supported power depends on the device.
3 USB ports
A 45W USB-C, an 18W USB-A, and a 22.5W USB-A. Output is shared when charging multiple devices.
One-hour fast charging
About one hour for compatible PPS phones. Timing varies with the phone, cable and starting charge.
PPS fast charging
USB-C PPS adjusts power delivery for fast charging on compatible phones.
Digital display
See the battery remaining so you can plan your next recharge.
Device compatibility
For compatible phones, tablets and USB-powered accessories using the appropriate cable.
TSA carry-on friendly
At 74Wh it's airline compliant — carry it on flights.
Technical specifications
Technical specifications
Battery capacity20,000mAh
Battery energy74Wh
Outputs (per-port maximum)A 45W USB-C, an 18W USB-A, and a 22.5W USB-A.
Charging inputUSB-C PD: 5V/3A, 9V/3A, 12V/3A, 15V/3A, 20V/2.25A (45W max)
PPSSupported on USB-C
Weight12.2 oz
Dimensions5.78 x 1.14 x 2.71 in

Port ratings are individual maximums. Charging speed depends on the connected device, cable and ports in use.

Questions & answers
Which laptops can it charge?

The USB-C PD port supplies up to 45W to a compatible laptop. The laptop negotiates the charging power it supports, and power is shared when additional devices are connected. Use a USB-C cable rated for the required output.

Does it fully charge a Samsung Galaxy in an hour?

This model supports about one-hour fast charging for compatible PPS phones, including supported Samsung Galaxy models. Charging time depends on the exact phone, starting charge, temperature and cable.

How many times will it charge my phone?

Find your phone or iPad in the charge comparison chart above. It shows estimated full wired charges by battery capacity; wireless charging and using a device during charging can reduce the total.

Can I take it on a plane?

Yes — at 74Wh it's under the 100Wh limit and airline carry-on compliant.

Delivery, returns & support

Free standard shipping on all US orders. 30-day returns and a 1-year warranty.

Questions about your power bank? Contact Techsmarter support.

Read our returns policy

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