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Eco-Worthy US via eBay offers the Eco-Worthy 30.72kWh 48V 100AH Server Rack Lithium Battery 6-Pack with Monitor for $4,680 (reduced from $5,149.99) via coupon code "ECOWORTHY470" with free shipping. Buy Now at eBay

Features

• wireless connectivity and smart monitoring
• fits standard 3U cabinets
• durable full-metal shell and a 100A BMS that provides multiple layers of protection

Dell Refurbished Store take an extra $25 off any purchase using coupon code "AFSEPDEALNEWS", with certified Dell refurbished laptops and desktops available starting from $299. Plus, all orders get free shipping. Shop Now at Dell Refurbished Store

Tips

• The coupon is stackable and applies to any item and any order except Hot Deals and warranty items.

Best Buy's daily deals are all price drops on LG tech today, including TVs, monitors, and audio equipment. Pictured is the LG OLED55C5PUA C5 Series 55" OLED AI 4K Smart TV, which was released this year and costs $1,297 (it's an all-time low). Shop Now at Best Buy

If you're shopping for cheap Halloween costumes, decor, and clothing, you can find lots of cheap stuff in this AliExpress Halloween sale section. They all ship from a local US warehouse, too. Some of these items may also be eligible for the promo codes below, which cut between $2 and $120 off your order:

• Extra $2 off over $10 via "AEUS02"
• $4 off $20 via "AEUS04"
• $6 off $30 via "USKUN06"
• $8 off $40 via "USKUN08"
• $10 off $50 via "AEUS10"
• $12 off $60 via "USKUN12"
• $20 off $100 via "USKUN20"
• $26 off $130 via "USKUN26"
• $32 off $160 via "USKUN32"
• $45 off $259 via "IFPDKIJ"
• $56 off $280 via "USKUN56"
• $64 off $320 via "USKUN64"
• $80 off $400 via "USKUN80"
• $100 off $500 via "USKUN100"
• $120 off $599 via "IFPBXOI"

Some prices vary depending on your location and whether you've shopped at AliExpress before. Shop Now at AliExpress