I’ve been running the Comvolt 4200 for a few weeks now in various settings — van life and camping — and here’s my thoughts:

Massive capacity. The 12 V / 328 Ah spec means this thing can sustain heavy loads longer than your average portable station. You’ll get multiple nights of running a fridge + lights + charging gear without sweating it.

Solid build & materials. The unit feels rugged and premium — the casing doesn’t flex, the ports are snug, and handles are sturdy (no wobbles). It doesn’t feel like a cheap “plastic toy.”

Reliable output. The inverter stays stable even under fluctuating loads. No weird voltage drops or funky behavior when plugging in sensitive electronics.

Versatility. Multiple DC, AC, USB, and 12 V outputs mean you’re covered for pretty much every device you carry. No need for adapters or dodgy wiring hacks.

Good for roadmap-off life. In van or RV setups, this gives you real flexibility to stay off-grid longer without solar overhead or generator runs.

The most amazing feature: Expandability. I can use any Li power battery to extend the current setup. But, I will be purchasing the
Comvolt Power station Expansion Packs

Still haven't found Bluetooth app on Google Playstore