Trust a scooter battery leader, trust VICI. Upgraded Replacement Batteries for E200/E300 Battery. (2) 12V 9ah instead of (2) 12V 7.0ah Batteries For 28% Longer Running Time. Batteries are the same size as the 7ah version ( 6-DW-7 ), but VICI has thicker grids inside the batteries to store more energy. The output is the same, but the runtime is extended up to 28%! Razor Scooter Battery for E200 Scooters (Versions 13+) Compatible with: Razor e300 Scooters (Versions 11 & 13+) 24 Volt Battery MX350