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The lead-acid model can be charged in eight to ten hours and the lithium-ion model’s charging time is four to five hours. The Okaya Freedum LA-2 electric scooter comes with the same 150kg BLDC hub motor producing 250W and gives a range of 50-60km per charge from its 48V, 28Ah with an Amaron Quanta VRLA (C20) battery pack. .
A team of Penn State researchers is developing more cost-effective ways to prolong the life of valve regulated lead-acid (VRLA) batteries, such as those applied in Norfolk Southern Railway No. They used electroimpedance spectroscopy and full charge/discharge to identify the main aging mechanisms. Earlier post.). —Shi et al.
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