Thumb Score: +8 eco-worthy-us via eBay [ebay.com] hasan Eco-Worthy 48V 100Ah Bluetooth LiFePO4 Lithium Battery on sale for $899.99 - 15% off when you apply coupon code FRESHSTART on the checkout page = $764.99. Shipping is free. Details: [LIST][*]Wireless Connectivity and Smart Monitoring -The cabinet battery with wireless connectivity supports both Bluetooth and WiFi connection methods, allowing for easy monitoring of battery status through an app.