Grepow Introduces Patented Curved Battery Technology, Delivering 30% Higher Capacity for Next-Generation Smart Rings

LIVERMORE, Calif., Oct. 15, 2025 /PRNewswire/ -- Grepow, a global leader in advanced battery solutions, today announced the release of a new technical white paper detailing its patented E-stacking curved-cell technology for smart rings. Designed to overcome the core limitations of...