250w e bike with hidden battery

{"cid":"91148789","title":"250W Hidden Battery Lithium Bicycle , Battery Operated Bikes For Adults","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/93\/10\/2502c6b596edf55508f727a12b21-200x200-1.jpg","attrs":{"Price":"Negotiation","Brand Name":"AOWA","Model Number":"LD-AW","Minimum Order Quantity":"10 PCS","Delivery Time":"25 DAYS","Certification":"CCC","Place of Origin":"Dongguan, China (Mainland)","Payment Terms":"T\/T, L\/C","Supply Ability":"12000 PCS PER MONTH","Packaging Details":"Hard Carton , size 135*26*63 cm","Motor":"250W","Battery":"48V8A Lithium","Frame":"Aluminum","Tire":"20'' \/ 22''"}}

{"cid":"91221209","title":"E-bicycle 26 Inch 48V 250W 350W Electric Mountain Bike With Integrated Wheel 10.4AH Hidden Battery E-bicycle","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/12\/cb\/e44444fd9d35a09fb8944850333b-200x200-1.jpg","attrs":{"Price":"$529.00\/pieces 1-19 pieces","Brand Name":"THUNDER","Model Number":"TH-101-B","Place of Origin":"Zhejiang, China","Gears":"21 Speed","Range per Power":"31 - 60 km","Frame Material":"Aluminum Alloy","Wheel Size":"26\"","Max Speed":"30-50Km\/h, 25-32KM\/hour optional","Voltage":"48V","Power Supply":"Lithium Battery","Braking System":"Disc Brake","Motor position":"Rear Hub Motor","Battery Position":"Integrated Battery","Battery Capacity":"10.4 Ah","Smart Type":"Sensor, Electronic, Digital","Foldable":"YES","Name":"Electric mountain bike","Frame":"Aluminimum Alloy","Battery":"48V 10.4AH","Brake":"Front\/rear disc brake","Color":"Black,white optional","Display":"LCD","Motor Power":"48V 250W\/350W","Derailleur":"Shimano 3*7 speed","Packaging Details":"Export standard packing of Electric mountain bike\r
(Carton\/Carton board\/Foam\/Foam bag)"}}

{"cid":"91223913","title":"Customized Electric Bike Battery Pack 36V 10Ah 10S3P 18650 36Volt 250W 350W 500W Escooter Lithium Ion Battery Pack","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/24\/88\/883b245a3794d9a59f1ce082a5e2-200x200-1.jpg","attrs":{"Brand Name":"Sinowatt","Model Number":"SW-ES","Battery Size":"18650","Application":"Consumer Electronics, BOATS, Golf Carts, Electric Bicycles\/Scooters, electric vehicles, Electric Wheelchairs, Electric Power Systems, Electric Forklifts","Weight":"Customized","Place of Origin":"Guangdong, China, Guangdong, China","Battery Type":"18650 Battery Pack","Usage":"Electric Scooter\/ Electric Bike\/ Electric Motor","Capacity":"20Ah or OEM","Voltage":"60V","Protection":"Built-in BMS","Cell":"18650 Li-ion Rechargeable Battery","Model":"Customized","Packing":"Customized Packing","OEM\/ODM":"Customized OEM ODM Battery Pack","Anode Material":"NCM","The charging ratio":"Customized","The discharge rate":"Customized"}}