4000 mah battery ultra thin laptop

{"cid":"91220565","title":"Ultra Quiet Wearable Air Purifier Long Battery Life Custom Colors","imgUrl":"https:\/\/img.chinax.com\/nimg\/0e\/ef\/10966fb5bf137a0eb2eeb1fd13b9-200x200-1.jpg","attrs":{"Brand Name":"WAYPOTAT","Model Number":"NC01","Place of Origin":"China","Noise Level":"<20dB(A)","Warranty":"1 Year","Certifications":"CE, FCC, RoHS","Special Features":"Portable, Rechargeable","Weight":"74gs","Battery Capacity":"850 MAh","Battery Life":"21 Hours","Color":"Black, White, Green, Pink, Customized"}}

{"cid":"91173879","title":"Ultra Lightweight LED Cordless Mining Headlamp 4000 Lux Anti Explosive With 2800 mAh Li Ion Battery","imgUrl":"https:\/\/img.chinax.com\/nimg\/fb\/fc\/04c62f12b068535473247657ea4b-200x200-1.jpg","attrs":{"Price":"Negotiating","Brand Name":"GREEN LIGHTING","Model Number":"GL2.5-A","Minimum Order Quantity":"1pcs","Delivery Time":"sample order 3-7 woking days,bulk order with 2 weeks","Certification":"CE","Place of Origin":"China shenzhen","Payment Terms":"L\/C, T\/T, Western Union,PayPal","Supply Ability":"30000 pcs\/month","Packaging Details":"1 x lamp 1 x charger 1 x user manual","Battery type":"Lithium Ion","Power source":"Rechargeable Battery","Light source":"LED","Ip rating":"IP 67","Material":"PC+ABS","Battery Capacity":"2.8A","Main light current":"180mA","Brightness":"4000 Lux"}}