backup battery for laptop external

{"title":"external laptop battery charger Laptop Battery for Dell 700M","imgUrl":"https:\/\/img.chinax.com\/nimg\/2e\/c4\/4a4151f8bc8ae30ae88070dd6f0a-200x200-1.jpg","attrs":{"Brand Name":"For DELL","Model Number":"700M","Minimum Order Quantity":"Can be any quantity","Delivery Time":"3-7 days","Place of Origin":"Shenzhen of China","Certification":"CE FCC ROHS","Packaging Details":"Brown box + sponge+ antistatic bag","Payment Terms":"T\/T, Western Union, Paypal"}}

{"title":"19V 5A Rechargeable Lithium Battery Pack Laptop Portable Emergency Backup Solar Power Generator","imgUrl":"https:\/\/img.chinax.com\/nimg\/3c\/2c\/486b82dd7aa8bbf3533112778678-200x200-1.jpg","attrs":{"Price":"To be negotiated","Brand Name":"Eanpower","Model Number":"EA-300F","Minimum Order Quantity":"500","Delivery Time":"45days","Place of Origin":"China","Certification":"CE, FCC, ROHS, PSE, UN38.3, MSDS","Packaging Details":"Carton","Payment Terms":"T\/T ,LC, Paypal, Westernunion","Supply Ability":"3000pcs\/month","Rated power":"300W Peak 500W","Battery Capacity":"300Wh,292000mAh","Fully Charging Time":"About 7 hours","Input Charging Adapter":"DC\uff1a19V\/5A 95W","Solar Input":"Anderson 120W MAX (18-24V)","Life cycles":">1500 times"}}