Vivo Y31d - 7200mAh BlueVolt Battery Smartphone Best Secret Service Specification Parameter Details / Measurements

Specification Parameter Details / Measurements Brand Developer EcoFlow Rated Peak Power Output 400 Watts (+/-10W) Solar Cell Architecture Monocrystalline Silicon (Multi-Busbar) Cell Efficiency Rating 22

44 in (62 mm)

Weight:83 g (w/ battery)

Singapore Safety Mark Certified (160970-12) Included In Box 1

Encased in a premium aluminum shell for superior heat dissipation and durability

Vivo Y31d - 7200mAh BlueVolt Battery Smartphone Best Secret Service Specification Parameter Details / MeasurementsConquer everyday battery anxiety and tackle extreme environmental conditions with the absolute battery king of 2026: the new vivo Y31d. Engineered with an unprecedented high density 7200mAh BlueVolt battery cell alongside a 6nm energy efficient hardware engine, this device delivers reliable multi day performance on a single charge. Wrapped in an elite, military grade shock absorption structure, it balances raw longevity with striking premium style.