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We tested 3 manufacturers of 18350 cells when Flite came out: Vapcell (purple), Efest, and Keeppower. Each performed very well at the time. Over time, Efest went back to their usual lesser quality; Vapcell I don't have a lot of experience with; and Keeppower was a really nice cell as well...

Hobby King just got stock of replacement batteries for Brute and Hotshot and are now available.

Try a little vinegar in hot water @Singularity Walker

Finer grinds adds weight, yes.

I have not done it but this method should explain my concept for 2-cell IH's: The coil wire length, not the number of turns, is what what determines the power draw when a vapcap is inserted. Original wire length of the coil is ~33" for a 3S solution. This normally operates at around 10.5V (to...

I don't have anything to go by.

I remember those days ;]

Looking forward to reading about the results.

For a higher voltage ZVS, sure. A 400 watt Anvil heater would be something. Possibly a next generation solutions ;]

Less coil wire length will increase the power draw. Also, be sure to solder the coil to the board. Those blue terminals are the cause of most ZVS module failures. Once soldered, these circuits are very tough. By making the heater hotter for weak caps can cause an issue if you ever put in a...

Hey @Gomaruana , the capacitor(s) could degrade over time. The standard ZVS circuit layout is extremely robust. It takes a lot to kill it. The only smoke I've ever seen come from the components is from particles of flower or condensed oils around the coil. There are two types of...

https://freeimage.host/i/J3cNnm7 This cuts the trace that powers the gate circuit and put a fire-switch over the cut. 2 wires remaining. The positive power input wire goes to the middle connection between the two chokes.

I use the plug as a switch. I have a small heater that I plug a 3S lipo pack into. Unplugging it makes it safe. Does need a fire button.

Look around on Digikey.com at switches.

2024 is fast approaching. Maybe even a Christmas surprise ;]

Yes. 20V will blow the FETs.

Yes you can @Piecho . A buck driver will lower the voltage and raise the current rating. The standard 8 amp buck drivers will suffice. recommended: https://www.ebay.com/itm/314723073691

That's quite unusual. You can change when it clicks by moving the heat source. Heat closer to the closed end and it will click sooner.

Charging those internal cells may be a bit involved. It is a matter of getting the right voltages to the right terminals. I haven't seen the internals but from what I remember, they actually use a common charging plug for conventional 3S LiPo cells. I think the screen is saying line 4 is a...

Try manually charging the cells bypassing the internal BMS @Nina