all weather off grid rv battery

{"cid":"91199923","title":"All-Weather 48V 400Ah RV Lithium Battery | Fast Charge for Boondocking & Extended Off-Grid Adventures","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/7f\/20\/3e318276eda372f73260b134c1f0-200x200-1.jpg","attrs":{"Price":"USD 70-90 \/pcs","Brand Name":"BENERGY","Model Number":"BPS-48400AHP","Minimum Order Quantity":"1pcs","Delivery Time":"15-45 days","Certification":"CE, ROHS, MSDS, UN38.3,IEC62133","Place of Origin":"China","Payment Terms":"T\/T, Western Union, MoneyGram, L\/C","Supply Ability":"5000pcs\/month","Packaging Details":"4pcs each carton","Battery Type":"Lifepo4 Pack","Voltage":"51.2V","Capacity":"400AH","Battery case":"Metal","OEM\/ODM":"Accepetable"}}

{"cid":"91220063","title":"Monocrystalline 30w Solar Panel Bi Solar Panels For 12v Battery Charging Off Grid","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/06\/31\/d0b8c2bb6b5e8d544defbe932986-200x200-1.jpg","attrs":{"Brand Name":"Linksun","Model Number":"LS-30M","Minimum Order Quantity":"100PCS","Delivery Time":"5-8days","Certification":"CE","Place of Origin":"China","Payment Terms":"30% TT in advance, 70% balance before delivery.","Supply Ability":"1000pieces per week","Packaging Details":"1pcs\/carton","Application":"RV, Boat and yacht,Van and Car,Outdoor camping","Lifespan":"25 Years","Material":"Monocrystalline Silicon Cells","Portability":"Portable","Power Source":"Solar","Size":"520*360*25mm","Temperature Range":"-40\u2103~+85\u2103","Warranty":"25 Years","Waterproof":"Yes"}}