eBay with Bluetti Office Store has the certified refurbished Bluetti Elite 30 V2 288Wh 600W Lightweight Portable Power Station for $211 - 20% off with coupon code FAVEDEAL20 [Exp 6/14] = $169 with free shipping. The very good refurb model is $129 after coupon.

• 600W output, 1500W boost mode-elite, 9 ports and 7 recharging methods, ultra-quiet operation.