522 Black Ink Bottles Compatible for Ecotank Printers - High Yield

In this review of the 522 Black Ink Bottles by Trokliey, the bottom line is simple: this refill set is for people who want a low-cost, high-yield black ink option for Epson Ecotank-style printers. The reviewer found the biggest reason to buy is page yield and compatibility: each bottle claims more than 8000 pages and is formulated to work with models such as ET-2800, ET-4800, ET-2400 and several related Ecotank printers, making it a practical choice for home offices and small businesses that print lots of text.

Key Features

• Wide Compatibility: Works with many Ecotank-style models including ET-2800, ET-4800, ET-2400, ET-2803, ET-2720, ET-4700, ET-4810 and ET-2840, so users do not need model-specific cartridges.
• High Yield: Each replacement 522 black ink bottle is rated to print more than 8000 pages, which reduces the frequency of refills for high-volume printing.
• Upgraded Formula: The Trokliey ink uses a newer formulation designed to deliver clear text, stable patterns and minimal fading over time for everyday documents.
• No Leakage Filling: The bottle design includes an automatic stop on the ink outlet so the flow closes when lifted, helping to prevent spills during refills.
• Support and Service: The brand provides a product quantity (3522 black ink shipped) and 24-hour technical support for set up or troubleshooting questions.

Who It's For

This product is best suited for home users, small offices and students who do a lot of black-and-white printing and want to cut running costs compared with replacing sealed cartridges. It is also a good match for anyone who already owns one of the supported Ecotank models and prefers refill bottles rather than cartridges.

Those who should look elsewhere include users who require archival-grade pigment inks for photo work or specialty printing, and customers who need manufacturer-warranted consumables tied to original-brand ink certification; this is a compatible refill option rather than an original manufacturer supply.

Pros & Cons

Pros

• High reported page yield means fewer refills and lower cost per page.
• Compatible with a long list of Ecotank-style printers for broad convenience.
• Automatic-stop nozzle reduces the chance of ink spills when filling tanks.
• Users report good value and strong print longevity compared with frequent cartridge swaps.

Cons

• Not intended for sublimation or specialty printing; this is standard black ink only.
• As a compatible refill, some users may prefer original-brand ink for full manufacturer support.

Specifications

Our Verdict

The Trokliey 522 black refill bottles are a practical, cost-effective pick for heavy black-and-white printing on supported Ecotank printers, offering high page yield and a spill-reducing nozzle. For users focused on everyday document printing and lower running costs this compatible refill is good value; customers needing original-brand certification or specialty inks should consider their specific needs first.

Frequently Asked Questions

Will this ink fit my Ecotank printer?
It is compatible with a range of Ecotank-style models including ET-2800, ET-4800, ET-2400, ET-2803, ET-2720, ET-4700, ET-4810 and ET-2840.

How many pages will one bottle print?
Each replacement 522 black ink bottle is rated to print more than 8000 pages under typical text printing conditions.

Is this suitable for photo or sublimation printing?
No, this product is standard black ink for document printing and is not intended for sublimation or specialized photo workflows.