eco-worthy-us via eBay has 4-Pack Eco-Worthy 48V 100Ah Bluetooth LiFePO4 Lithium Battery w/ Rack on sale for $3399.99 - $350 off when you apply coupon code FRESHSTART on the checkout page = $3049.99. Shipping is free.

About this product:

• The cabinet battery with wireless connectivity supports both Bluetooth and WiFi connection methods, allowing for easy monitoring of battery status through an app. The full-function battery panel has multiple communication interfaces that support connections with inverters and computers, and also facilitate data transmission between batteries.
• At the core of the battery, we use strictly selected Grade A cells, ensuring good consistency for long-term battery use. It also provides 6000 deep discharge cycles, maintaining a discharge depth of 80%. Therefore, we offer a 10-year warranty for this battery.
• Designed to fit standard 3U cabinets, it is easy to install vertically, improving space utilization. Each battery weighs 95 pounds, is operable by one person, and can be paralleled up to 15 units.
• It boasts high safety performance with a full-metal casing, built-in 100A BMS with multiple protection functions, and integrated 125A air switches and battery power switches.
• The package includes battery parallel cables, battery communication cables, grounding connection cables, and 4 terminal insulating protective caps.