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Chilwee EVF Series are designed with high quality grid alloy enables the grid with features of anti-corrosion, low gas emission and excellent deep cycle performance, as well as hign density and special deep cycle lead paste prescription is adopted to ensure extra long cycle life. The cycle life may reach 600+ cycles @ 80% DOD.
link:https://www.chilweebattery.com/motive-power-battery/electric-vehicle-lead-acid-battery/electric-scooter-battery-6-evf-150a.html
Electric Scooter Battery 4-EVF-150A