what is an anti gravity battery

{"cid":"91225913","title":"Large G Shape USB Portable Electric 7 Colorful Night Light Air Water Drop Anti Gravity Humidity Control Humidifier","imgUrl":"https:\/\/img.chinax.com\/nimg\/34\/95\/2097f4a8887aae43d21ca16e2c9d-200x200-1.jpg","attrs":{"Price":"\u20ac5.83-8.13","Brand Name":"FUSMLI","Model Number":"H47","Minimum Order Quantity":"24","installation":"Tabletop \/ Portable","Material":"Plastic","Place of Origin":"GUA","LED Lighting":"Night Light","after-sales service provided":"Free Spare Parts","noise":"< 36 dB","warranty":"1 Year","application":"Hotel, Garage, Household","power source":"Usb","mist output (gallon \/ day)":"100ml\/h","Packaging Types":"Color box, Corrugated Box, Gift Box","power (w)":"25","timing function":"No","app-controlled":"No","Feature":"Feel Comfortable","Usage":"Home Office Hotel Desk Humidifier","Function":"Anti-Smoke & Anti-Dust, Aromatherapy, Humidification+ 7 Colorful Light","type":"Ultrasonic Humidifier","capacity":"350ML","Product name":"G Shape Humidifier"}}

{"cid":"91225751","title":"28 New Armor Series Cordless Brushless Rotary Hammer Drill | Customizable | LED Light | Anti-Vibration Zero-Gravity Handle","imgUrl":"https:\/\/img.chinax.com\/nimg\/86\/e5\/f14005b91a912ae272168d1a42e0-200x200-1.jpg","attrs":{"Price":"$87.60-102 \/ set","Minimum Order Quantity":"50 sets","Motor Type":"Brushless Motor","Blows per Minute":"5600bpm","grade":"Diy","Input Power":"1000 W","rated voltage":"24 V","power source":"Li-Ion Battery","Voltage":"dc 20v","customized support":"OEM, ODM","Max. Torque":"108.3ft-lb(146.84N.m)","Place of Origin":"jiangsu"}}

{"cid":"91225878","title":"Anti\u2011Drop Protective USB\u2011C Wired Keyboard Case for iPad A16 With Touchpad, Tablet Supplies Power, Gravity Anti\u2011Slip Lock,20\u201130KG Tear\u2011Resist, Custom Keyboard Language and Layout","imgUrl":"https:\/\/img.chinax.com\/nimg\/2b\/10\/e0503327ef60077fe06f0f24a454-200x200-1.jpg","attrs":{"Price":">=1000 :$39.99 >=3000:$38.59 >=5000:$37.82 >=10000:$37.55","Brand Name":"Laudtec","Model Number":"KLC-7","Minimum Order Quantity":"1000","Delivery Time":"10-30 Days","Sample":"Provide","Market positioning":"Global Education Market","Place of Origin":"Guangdoong,china","Compatible Models":"for iPad 11 (A16)","Feature 2":"Built\u2011in Multi\u2011Gesture Touchpad","Trade Terms":"EXW FCA FAS FOB CFR CIF CPT CIP DAT DAP DDP is Optional","Keyboard standard":"78 Keys","Logo":"Customized Support","Feature 1":"USB\u2011C Plug & Play","Material":"PC + TPU + PU leather","Packaging Details":"Customized Packaging","Feature 3":"Zero Latency Wired","Packaging Materials":"Customized Packaging","ODM&OEM":"Support","Payment Terms":"L\/C,D\/A,D\/P,T\/T","Product Positioning":"Premium Quality","Certification":"GRS,Sedex,ISO9001,REACH,FCC,SCCP,CE,RoHs,PAHs,Prop65,Drop Test","Product name":"Keyboard Case","Layout":"UK\/US\/Customized"}}

{"cid":"91198875","title":"Digital LCD 3000Kg Hanging Crane Scale Carbon Steel","imgUrl":"https:\/\/img.chinax.com\/nimg\/16\/44\/0ba9174c60f2adcc3ea34c8699a5-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"HENER","Model Number":"HR-CS","Minimum Order Quantity":"1","Delivery Time":"5-8 work days","Certification":"CE","Place of Origin":"China","Payment Terms":"T\/T","Supply Ability":"50sets per month","Packaging Details":"carton box","Material":"Carbon Steel","Warranty":"1 Year","Display":"LED\/LCD","Capacity":"3000KG","Package":"110-220V \/DC","Function":"Weight function","Voltage":"110V\/220V","Division":"1KG","safe overload":"120% F.S.","ultimate overload":"400% F.S."}}