Shargeek's 300W Power Bank Surpasses $500K on Kickstarter

Campaign Performance and Community Reception

This marks SHARGE's 20th crowdfunding campaign on Kickstarter, contributing to a significant number of repeat backers. As of the article's publication, the project has raised approximately $530,000 from nearly 2,700 backers. The project creator previously raised $520,000 with the Shargeek 100, and all 20 past campaigns have been successfully delivered. This strong track record means there's virtually no debate about the brand's trustworthiness, with discussions focusing instead on the product itself.

Comments have been positive regarding the transparent aluminum casing and the design's ability to deliver high power simultaneously from dual ports. However, some power enthusiasts are taking a wait-and-see approach regarding long-term thermal management and full-load performance data, hoping for more independent third-party continuous discharge tests.

Product Core Features

The Shargeek 300 distinguishes itself with several key features designed for demanding users:

300W Total Output & True Dual 140W Simultaneous Delivery

The Shargeek 300 is equipped with two USB-C ports, each capable of up to 140W. It can simultaneously provide full 140W charging to two 16-inch MacBook Pros while also delivering 20W to a smartphone, with a combined total output not exceeding 300W.

Achieving true dual high-power output simultaneously is an engineering challenge in the portable power sector, as most products de-rate single-port power when multiple ports are in use. If SHARGE's claim of true dual 140W is independently verified under full-load conditions, this would represent the highest parallel output specification among aviation-compliant power banks currently available. A critical aspect to monitor will be its thermal throttling performance under full load, specifically whether the aluminum casing's heat dissipation and the internal power management chip's coordination can sustain stable output during prolonged high-power discharge. This remains the biggest unknown variable before extensive long-term testing.

140W High-Speed Input: 75 Minutes to Full Charge

Paired with SHARGE's proprietary Pixel 140W PD3.1 charger, the Shargeek 300 can complete a full charge cycle from empty to full in approximately 75 minutes. This 140W input relies on PD3.1's high-voltage profile (28V/5A) and requires the power bank's internal high-speed charging management path to work in concert with the low internal resistance of its Full-Tab cells.

While fast charging reduces waiting times, it also introduces higher thermal loads. Cell temperature control and long-term cycle life are key metrics that will require close monitoring during real-world testing.

86.4Wh Aviation Carry-on Compliant with High Energy Density Full-Tab Cells

The 86.4Wh capacity is deliberately designed to stay within the mainstream airline 100Wh carry-on limit, eliminating the need for special declarations and allowing it to be brought directly onto flights as carry-on luggage.

Achieving a large 24,000mAh capacity while remaining aviation compliant is made possible by Full-Tab cell technology. Compared to traditional cells, the Full-Tab structure reduces internal resistance by expanding the current collection area, thereby allowing for higher discharge power limits and slower heat accumulation within the same volume.

Users should still note that actual enforcement of lithium battery capacity limits varies among airlines, making it a necessary step to confirm carrier policies before departure.

Adjustable DC Output, Low Current Mode & 1.9-inch Smart IPS Display

The device features a 1.9-inch IPS smart display that provides real-time information on port power, battery percentage, and temperature status. It also offers an adjustable voltage DC output port, supporting non-standard USB devices like drones and lighting equipment.

The inclusion of a low current mode addresses a common compatibility issue where traditional high-capacity power banks fail to properly recognize and charge low-power devices such as headphones and smartwatches. This indicates that the team has invested in targeted firmware and power recognition algorithm development, rather than simply stacking specifications. This is a significant advantage for users with professional peripheral equipment needs.

Transparent Aluminum CNC Body & DIY RGB

The device features a CNC precision-machined aluminum frame paired with a transparent outer casing, maintaining the series' signature visual design that reveals internal components. It also includes DIY RGB lighting effects. The unit measures 159×62×53mm and weighs 750g.

The transparent aluminum casing is a hallmark of the Shargeek series, with the aluminum frame also serving a functional role in heat dissipation, which is engineered to manage thermals during sustained high-power output. At 750g, the weight is well-controlled for a 300W portable power bank, though it is noticeably heavier than lightweight power banks designed for daily phone charging. Users should have a clear expectation of their usage scenarios.

Company Background

SHARGE (Shenzhen Sharge Technology Co., Ltd.) was founded in 2020, headquartered in Longhua District, Shenzhen. Formerly known as Shargeek, the brand underwent a name change in August 2023. The company previously secured $5 million in funding led by Lightspeed China.

SHARGE has achieved the top-selling position in the $200 price range for charging products on Amazon US. Its Shargeek series has successfully completed 20 projects across global crowdfunding platforms, garnering support from over 23,000 backers.

Market Analysis

The global power bank market, valued at approximately $15.7 billion in 2024, is projected to grow to about $35.2 billion by 2034, at a Compound Annual Growth Rate (CAGR) of approximately 8.4%. This growth is driven by three main factors: the normalization of multi-device usage increasing demand for high capacity, the expansion of remote and hybrid work pushing demand for laptop-grade high-power charging scenarios, and the accelerated adoption of high-power compatible devices due to USB-C PD protocol standardization. By capacity segment, the 20,000mAh and above high-capacity category is rapidly expanding at a 16.2% CAGR, making it the fastest-growing sub-segment in the overall market—a trend highly consistent with the Shargeek 300's product positioning.

In the competitive landscape, Anker stands as the leading brand in the global power bank market. Leveraging vertical integration capabilities, from lithium cell procurement to GaN chip design, Anker has reduced material costs by approximately 20% while building channel barriers through brand trust and safety certification systems. Anker's PowerCore 737 series and Zendure's Super Tank series already cover the high-capacity + high-power niche, making them the most direct competitors to the Shargeek 300. Brands like Baseus and EcoFlow are also rapidly expanding into high-power portable power solutions. SHARGE's differentiation lies in its combination of industrial design transparency, top-tier specifications, and smart display functionality. Among products with similar specifications, its distinctive appearance and transparent performance data are core pillars supporting its premium positioning.

Market risks include the potential for large manufacturers like Anker to quickly replicate similar features through economies of scale. Furthermore, aviation regulations regarding lithium battery capacity could tighten, posing a systemic risk to the entire category of aviation-compliant high-capacity power banks.