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子母电池 / Zimu Battery

子母电池
子母电池

The design is coming from the ordinary battery , the product is composed of two parts: AA battery and AAA batteries. Typically, two kinds of models of batteries used in combination, AAA battery is in the AA battery , once encountered AAA battery time, It can be used separately . If the AA battery has no power, we can put AAA battery in the AA battery. And solve the small problem temperately.

University

Liaoning Shihua University

Liaoning Shihua University
liaoning fushun, China

Design

Liaoning Shihua University

Liaoning Shihua University
liaoning fushun, China

Tian geng Li fengshen Qiao Hong Yue Wei zhixue