Larry Morgan 🥉

Agree with you - Good call on the needle. Since it started right after cleaning also make sure the water tank is fully seated and that the rubber gasket and the spring valve at the bottom of the reservoir aren’t nicked or stuck; a light smear of food-safe silicone grease on the gasket helps it seal. Give the reservoir a close look for hairline cracks along the seam. If you do open it up, unplug first and check the hose clamps to the pump and boiler, and do a full descale afterward to relieve any scale-related backpressure leaks.

Match the exact model family printed on your old battery and the same voltage, since the connector and electronics are tuned to that :) Capacity in amp hours controls runtime, but be wary of inflated numbers. I would prioritize a brand with proven compatibility, consistent reviews that mention long-term use, and a real warranty over chasing the biggest mAh claim. If your stick vac is a Dyson V10, the Biswaye V10 5.0Ah has been a reliable aftermarket pick :) It matches 25.2V and the 5.0Ah capacity gives a noticeable bump in runtime without stressing the vacuum, and Biswaye has a better track record than the no-name options. Whichever pack you buy, use the original charger, avoid running it completely flat every time, and let it cool a bit after heavy rug sessions before charging. Keep filters clean so the motor draws less current, and you should get safe, steady runtime again.

I service these often and the NV352 takes the 350 series rectangular HEPA with no drama. Visual differences in foam color or the rib pattern on the frame do not matter. The spec does. Look for XHF350 on the HEPA and XFF350 on the pre motor set. Quick checks I do in the shop. Confirm the door opening is around 5.3 by 4.6 inches remove any old seal stuck in the cavity, and close the door with steady pressure the first time. If it is still fighting you, pull it back out and make sure the filter is fully seated and not riding up on the edge of the recess.

Two reliable routes if you want dual 4K at 60 from one USB C. Either run MST on DisplayPort 1.4 with DSC or use a dock that uses DisplayLink to compress video over USB. For MST, your laptop GPU must support DP 1.4 with DSC, your hub must say DP 1.4 MST with dual 4K60, and your OS must support MST for extended desktops. Windows and Linux do. macOS does not extend multiple displays over MST. DisplayLink works on all three once you install the driver and is very stable for office work. To avoid the 30 Hz trap, check the spec sheet for wording like dual 4K60 over DP 1.4 MST with DSC or Thunderbolt 3 or 4 with two independent display outputs or DisplayLink with dual 4K60 support. Aim for at least 85 W power delivery. Prefer DisplayPort outputs because cheap HDMI paths often cap at 4K30. Seek a fanless metal enclosure for quiet. Works great.