LONGDRAGON TECH via Amazon has
Powsav 18-Outlet 6' Flat Plug Surge Protector w/ 4 USB Ports (Black) on sale for
$17.95.
Shipping is free with Prime or on $35+ orders.
Thanks to Deal Hunter
jk6812 for sharing this deal.
Note, product will be sold by Longdragon Tech and fulfilled by Amazon
Product Details:
- 18 AC outlets + 4 USB ports (5V/3.0A, 17W total)
- 6 ft heavy-duty extension cord with right-angled flat plug and reusable cable ties
- 2100 Joules surge protection with overload protection (1875W/15A)
- 3-level surge circuit: TVS + MOV + GDT for enhanced protection
- ETL certified with over-current protection and flame-retardant PC shell (up to 1382°F)
- Ideal for computer desks, gaming setups, and multiple electronics
- 30-day return and 12-month warranty with 24-hour customer support
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The bottom with the USB ports though is NOT simple. Break that open and it looks like a small computer.
USB ports convert AC electricity to DC, so you need a rectifier. Then you need a switching controller to step the voltage down, then you need a transformer to provide isolation and voltage conversion, you need a circuit board to provide stable regulation at 5V and you need another chip to handle the USB "negotiation".
yeah the price on these circuits have become cheap, but getting higher amperage requires more advanced (expensive) circuitry. Additionally, you start experiencing switching losses and having serious issues with cooling.
That's why it's "cheap" to have 18 outlet strips, but expensive to have more USB
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