Portable electric bike pumps have exploded in popularity, so Sam Gupta has tested, rated and reviewed some of the most popular options on the market. The best portable electric bike pumps include those from Cycplus, Muc-Off, Fumpa, Rockbros, Airbank, Topeak and Bosch. After testing all of these units extensively, Sam has broken all the pumps down into different categories and then rated them from worst to best. They all share a lot of similarities but there are some key differences between them that mean some clearly outperform others.