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Easy-Taking Battery / Battery

Easy-Taking Battery
Easy-Taking Battery

This is a new concept of battery. When we remove the battery from battery compartment is always in trouble. Sometimes the battery will discharge the battery compartment tightly, it will be more time-consuming to come up with a battery. The following of this battery, leaving a space in the cathode can be more convenient to pick up.

University

North China University of Technology

North China University of Technology
Beijing, China

jing cui,
North China University of Technology