ECO-WORTHY 5120Wh 2-Pack 48V 50Ah Lithium Battery + 3500kW Solar Inverter $1050 at eBay $1050 $1500 Price drop! eBay with eco-worthy-us has the ECO-WORTHY 5120Wh 2-Pack 48V 50Ah Lithium Battery + 3500kW Solar Inverter on sale for $1450 - $400 off with coupon code ECOWORTHY2026 at checkout = $1050 with free shipping. $1050 retail: $1500 (-$110.00) Price Drop See Price History Posted by DrBatman05/31/2026 at 12:34 PM PT