After a few more hours of research, I went ahead with a 1500 peak Amp jump starter, from POTEK. It also has 300W inverter (modified sine wave unfortunately), and 150psi air compressor & USB ports. Hope it works!

Amazon.com: POTEK Portable Power Station: 1500 Peak/ 750 Instant Amps Jump Starter, 300W Inverter,150 PSI Air Compressor : Automotive
Buy POTEK Portable Power Station: 1500 Peak/ 750 Instant Amps Jump Starter, 300W Inverter,150 PSI Air Compressor: Jump Starters - Amazon.com ✓ FREE DELIVERY possible on eligible purchases
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