https://www.ebay.com/itm/1264751900...55-0&campid=5337259887&toolid=10001&customid= ECO-WORTHY 5120Wh Home Backup Power Supply 48V 100Ah LiFePO4 Battery + 5000W 48V Solar Hybrid Inverter on sale for $1199.99 - $100 off when you apply coupon code GARDENPOWERUSA2 at checkout = $1099.99. Shipping is free.