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Baseus Laptop Power Bank 20800mAh 145W Portable

Baseus Laptop Power Bank 20800mAh 145W Portable

By Baseus · Power Banks · Audio & Electronics · More from Baseus

  • Capacity: 20,800mAh (77Wh)
  • Total output 145W
  • 2x USB-C plus 2x USB-A (4 ports)
  • Input up to 65W
  • Smart digital display

Lowest price seen
$27.00
from $27.00 at Baseus Official Store (baseustech.com) · Checked Oct 20, 2026

New
Used, refurbished, open-box

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Problems, parts and running costs

Summary

A 20,800mAh (77Wh) laptop power bank rated for 145W total output and up to 100W from a single USB-C port, built for travelers who need to top up a laptop from a carry-on-legal pack. Before buying, know that no independent measured test of this exact model was found, so efficiency and sustained-output figures come from Baseus rather than a lab.

Strengths

  • 145W total with up to 100W from one USB-C port covers most 14-inch laptops.
  • Two USB-C and two USB-A ports charge up to four devices at once.
  • Baseus rates the input at 65W and a full recharge at about 90 minutes.
  • The display shows battery percentage, live wattage and estimated time.
  • A 1m 100W USB-C to USB-C cable is included.

Weaknesses

  • No independent measured test of this exact model was found; launch and deal coverage restates Baseus specifications.
  • The 145W headline is a two-port total; a single port tops out at 100W.
  • Owner evidence is thin and rarely specific to this model.
  • Charging slows on purpose above 80%, which can look like a fault.
  • The 24-month warranty is region-dependent; one Baseus storefront states only up to 3 months.
  • Weight and dimensions come from aggregator listings, not a first-party spec table.

Verified specifications

ModelEnerGeek GP12 (GP12 145W 20800mAh), SKU P10082109813-00.
Capacity20,800mAh, 77Wh.
Total outputup to 145W maximum.
Single USB-C outputup to 100W (PD 3.0; needs a 100W-rated cable and a compatible device).
Dual USB-C outputup to 145W shared between the two ports.
Ports2x USB-C + 2x USB-A, charging up to four devices at once.
Inputup to 65W; Baseus says a full charge takes about 90 minutes.
Displaysmart digital readout for battery percentage, charging wattage and estimated time.
ProtocolsPPS, UFCS, PD and QC.
Pass-through charginglisted by Baseus.
Trickle modecharging deliberately slows above 80% to protect the battery.
Protectionsover-voltage, over-current and overheating.
CertificationsFCC, UL, TUV and RoHS.
Materialpolycarbonate.
In the boxa 1m 100W USB-C to USB-C cable, per a Baseus regional storefront.
Warranty24 months on the US and EU listings; one regional storefront states up to 3 months.
Dimensionsabout 156 × 53 × 45 mm and 523 g, from aggregator listings, not a first-party spec table.
Full research notes and sources

Which model this is

This page covers the Baseus EnerGeek GP12, SKU P10082109813-00, a 2x USB-C plus 2x USB-A laptop power bank. It carries ASIN B0GQZC2Q9W.

Don’t confuse it with the Baseus EnerFill FC41 25000mAh 145W, which has built-in cables, or with the older Baseus 145W 4-port listing that shows up in aggregator and deal copy. Some aggregator pages list a Micro-USB input or a single USB-A port for the GP12; Baseus’s own pages describe 2x USB-C + 2x USB-A, so treat those port lists as unreliable. Gizmochina’s image captions also misspell the name as GR12 while the text and Baseus pages say GP12.

Power, ports and charging

Baseus states the fast charging needs a PD 3.0-compatible device and a 100W-rated cable, so a basic cable caps the speed. Input is rated at 65W, and Baseus says that refills the pack in about 90 minutes; one regional storefront quotes closer to two hours.

Two USB-C and two USB-A ports let it charge four devices at once, and the digital display reports battery percentage, live wattage and estimated time. Above 80% the pack switches to a deliberate trickle mode for battery protection, which is why the last stretch of a recharge looks slow. Baseus’s marketing claims a 14-inch MacBook Pro reaches 55% and an iPhone 16 Pro 57% in 30 minutes, with roughly 3.6 iPhone 16 Pro charges from a full pack; those are manufacturer figures, not measured ones. The 77Wh capacity sits within standard carry-on limits, and the pack carries FCC, UL, TUV and RoHS certifications.

What owners report

Owner evidence for the exact GP12 is thin. In a r/buildapcsales deal thread, one owner calls Baseus “a solid brand” with “several of their chargers with no issues” and notes “quite high build quality”, which is a brand-level signal rather than a durability result for this model. A comment in the same thread about “unstable charging from the 140W USB-C port” appears to describe a different power bank. A r/macbookair thread compares other brands’ banks, so it says nothing about the GP12. Nobody has published a GP12-specific failure cluster, so treat the missing owner data as unknown rather than proven.

Running costs and warranty

There is no recurring consumable: you charge it, wipe it down and store it. Baseus’s US and EU listings and a reseller page state a 24-month warranty, and a Baseus storefront in another region states only “Upto 3 Months”, so the term depends on where you buy. No spare-parts catalogue or service documentation was found beyond the user manual, which covers setup, operation, maintenance and troubleshooting, including normal warmth under high-power charging and a warning to stop using the unit if it becomes excessively hot.

Is it worth it?

At roughly $50-60 the combination of 145W total output, 100W single-port charging, four ports and a display is competitive for a travel laptop power bank, but you are buying it without an independent measured test. In the $70-90 band it is fair if the brand, the 77Wh carry-on rating and the 24-month warranty matter more than verified efficiency. Above $90 the case weakens, because better-tested or higher-wattage alternatives exist. For reference, Baseus’s own US page listed $89.99 and marked the unit sold out at check time; a reseller page listed $53.99, reduced from $89.99; and owners reported $48.14 after a code in March 2025. Treat all of those as historical snapshots rather than a checkout price.

Sources

Manufacturer:

Independent reviews:

Owner reports:

Parts and stores:

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