Fielect 15 Pairs AA Battery Negative To Positive Conversion Spring Contact Plate Review

【Dimension】 - Applicable battery model: AA ; Pole piece type: positive/negative unipolar piece ; Plug type: spring contact. 【Material】 -The battery spring plate is made of iron with nickel-plated surface, which has good conductivity and better electrical performance. 【Features】- The battery spring is deformed under the action of external force. After the external force is removed, the spring can be restored. The spring in the battery compartment can be compressed and play a good conductive role. 【Application】 -Battery plate can be used as a substitute for remote control, electric binoculars, battery-powered radio, clock, battery charger, LED lantern and any other battery-powered things. 【Noted】 -The package only contains the negative and positive spring plates, not the battery and battery box.