Geely Golden Brick Battery, Złoty Klocek, already with certified results: 4:22 minutes to 70%, 8:42 minutes to full charge

Envious of BYD’s ultra-fast charging, Geely boasted in April 2026 about its Golden Brick battery, which was claimed to charge the battery from 10% to 70% in 4:22 minutes. Now the manufacturer has released certified results, meaning they were tested by an independent laboratory. The charging time to 70% is indeed 4:22 minutes, reaching 97% takes 8:42 minutes, and the cells heat up to a maximum of 64 degrees Celsius during this process.

Geely vs. BYD: The customer wins

The battery was demonstrated using the Lynk & Co 10 model as an example. We learned about its capacity back then, and now it is officially known that it can store 95 kWh of energy. Ultra-fast charging also reveals another detail: it is built using LFP cells, as Li-NCM would not be able to handle such high power levels without accelerated degradation. The battery pack operates under an 800 V architecture (with a voltage of 900 V) and can handle up to 1.1 MW/1,100 kW of power at its peak, which is nearly 11.6 C, although the video shows “only” 1.07 MW at over 1,200 (!) amperes:

https://elektrowoz.pl/wp-content/uploads/2026/07/Lynk-Co-Z10-megawatt-charging.mp4

Add to this that the truck charger specifically sought out by Nyland /see: Zeekr 7GT test/ in Norway—one of the fastest in Europe!—was capable of delivering up to 600 amperes, meaning Lynk & Co would achieve not 1,072 but “only” 536 kW. The manufacturer’s claimed 4:22 minutes to 70 percent and 8:42 minutes to 97 percent would take roughly twice as long. Especially since the Lynk & Co with the Golden Brick battery can demand over 500 kW even at above 80 percent charge, and at 97 percent charge, it’s around 350 kW (!).

The battery uses a “3D cooling” mechanism, which involves removing heat from the cells at several different locations. We were unable to obtain Geely’s exact specifications on how the coolant channels are arranged, so we assume it involves both a top-mounted plate (as illustrated above) and additional cooling plates between the cells—but this is speculation by Elektrowozu’s editorial team. Suffice to say that such an advanced system allows the battery temperature to remain below the 65 degrees Celsius limit set by the Chinese government, specifically at a maximum of 64 degrees Celsius.

The delivery of the Lynk & Co 10 and Lynk & Co 10+ models is expected soon, with production starting two months ago. This vehicle replaces the previous generation named Lynk & Co Z10 in sales.

Editor’s note from Elektrowozu: literally at the moment this article was published, CATL posted a similar post on Instagram. It’s mind-blowing:

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