ALLPOWERS 299Wh 600W Portable Power Station R600, LiFePO4 Battery Backup with UPS Function, 1 Hour to Full 400W Input, MPPT Solar Generator for Outdoor Camping, RVs, Home Use - Newegg.com
BK650MI / SURGE PROTECTION AND BATTERY BACK UPS 650VA 400W 220-240V 3A / APC | eBay
12FLX400 12 Volt 100 ah Group 31 UPS Backup Emergency Standby Battery replaces 102ah Eaton Powerware BAT-0123 153302041-001
Tripp Lite Ultra-Compact Car Inverter 400W 12V DC to 120V AC 2 UBS Charging Ports 2 Outlets - DC to AC power inverter + - PV400USB - Power Inverters - CDW.com