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In Pictures: GMG graphene G CELLS retain full capacity after 489 six-minute fast-charge cycles

A visual look at GMG graphene G CELLS retain full capacity after 489 six-minute fast-charge cycles.

person Sarah Mitchell

calendar_today September 16, 2026 at 2:15 PM

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In Pictures: GMG graphene G CELLS retain full capacity after 489 six-minute fast-charge cycles

Group of cylindrical batteries standing upright in rows.

GMG's graphene aluminum-ion cells have completed 489 fast-charge cycles without measurable capacity loss.

Photo by Hilary Halliwell on Pexels

In Pictures: GMG graphene G CELLS retain full capacity after 489 six-minute fast-charge cycles

Energizer AA batteries and a remote control on a white surface.

The unoptimized 1 Ah pouch cells ran significantly cooler than a benchmark LTO cell during 10 C cycling.

Photo by Terrance Barksdale on Pexels

In Pictures: GMG graphene G CELLS retain full capacity after 489 six-minute fast-charge cycles

Two AA batteries with yellow tops viewed from above on a dark surface.

Testing by the Battery Innovation Center of Indiana validated the G CELLS' endurance over nearly 500 cycles.

Photo by Simon Gough on Pexels

In Pictures: GMG graphene G CELLS retain full capacity after 489 six-minute fast-charge cycles

Metallic AA batteries stacked in a pyramid formation.

Energy density remains below 50 Wh/kg, leaving room for further development before commercial deployment.

Photo by Castorly Stock on Pexels

In Pictures: GMG graphene G CELLS retain full capacity after 489 six-minute fast-charge cycles

Batteries and a charger arranged on a blue grid-patterned surface.

Graphene Manufacturing Group positions its fast-charging technology as a potential alternative to lithium-ion.

Photo by Looking For Feferences on Pexels

In Pictures: GMG graphene G CELLS retain full capacity after 489 six-minute fast-charge cycles

Two vintage Eveready Energizer transistor batteries on a white background.

The six-minute charge time represents a breakthrough for applications demanding rapid turnaround.

Photo by Jason Nelson on Pexels

In Pictures: GMG graphene G CELLS retain full capacity after 489 six-minute fast-charge cycles

Each charge-discharge cycle was conducted at a demanding 10 C rate under controlled laboratory conditions.

Photo by Pavel Danilyuk on Pexels

In Pictures: GMG graphene G CELLS retain full capacity after 489 six-minute fast-charge cycles

Mechanic using a diagnostic tool on a car engine.

Automotive and industrial sectors could benefit from cells that retain full capacity after repeated fast charging.

Photo by Daniel Andraski on Pexels

In Pictures: GMG graphene G CELLS retain full capacity after 489 six-minute fast-charge cycles

Smartphone with internal components exposed on a dark surface.

Further optimization of the pouch cell design is expected to raise energy density in future iterations.

Photo by Tyler Lastovich on Pexels

Inspired by our coverage: GMG graphene G CELLS retain full capacity after 489 six-minute fast-charge cycles

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In Pictures: GMG graphene G CELLS retain full capacity after 489 six-minute fast-charge cycles

In Pictures: GMG graphene G CELLS retain full capacity after 489 six-minute fast-charge cycles

In Pictures: GMG graphene G CELLS retain full capacity after 489 six-minute fast-charge cycles

In Pictures: GMG graphene G CELLS retain full capacity after 489 six-minute fast-charge cycles

In Pictures: GMG graphene G CELLS retain full capacity after 489 six-minute fast-charge cycles

In Pictures: GMG graphene G CELLS retain full capacity after 489 six-minute fast-charge cycles

In Pictures: GMG graphene G CELLS retain full capacity after 489 six-minute fast-charge cycles

In Pictures: GMG graphene G CELLS retain full capacity after 489 six-minute fast-charge cycles

In Pictures: GMG graphene G CELLS retain full capacity after 489 six-minute fast-charge cycles

In Pictures: GMG graphene G CELLS retain full capacity after 489 six-minute fast-charge cycles

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