Electric bicycle

The present invention provides an electric bicycle. The present invention discloses a high performance storage battery and a device for maintaining the performance of the batteries. The storage batteries are provided with grooves (2), so as to be conveniently arranged on an inclined tube of the bicycle; storage battery cases are provided with position correction devices, so that the storage batteries can be arranged horizontally; the storage battery cases are provided with ventilation holes and suspension devices are arranged at the positions for arranging the storage batteries; an automatic switching circuit is used for alternatively opening and closing the two sets of storage batteries; ribs of a grid of a polar plate are staggered, and the edges of the ribs are arc-shaped; and the peeling of pasted mud is postponed. 本申请的发明名称是种电动自行车。本系列发明公开了种高性能蓄电池和维护蓄电池性能的装置。蓄电池有凹槽(2)，便于放在电动车斜管上；蓄电池盒有纠位装置，使蓄电池在斜管上能水平放置；蓄电池盒有通风孔，放置蓄电池处设避震装置；用自动转换电路交替"开"、"关"两组蓄电池；极板板栅的筋条错开，筋条边缘呈弧形；以延缓糊泥脱落。