Seat post battery

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{"cid":"134884","pid":"23827032","pimg_url":"\/\/img1.b2bforus.com\/7c\/55\/9797346a8758\/product\/81884306_s-w400xh400.jpg","name":"Lithium Ion Battery \/ Electric Vehicle Battery 48v 52V Lithium Ion 18650 20AH 40A BMS 350W 500W 750W","attrs":{"Price":"Negotiable","MOQ":"2 Sets","Delivery Time":"Negotiable","Brand":"Elecbiker"}}