SEQURE 65A 4in1 ESC 2-6S Electric Speed Controller 30.5x30.5mm for FPV Racing Drones Freestyle - AM32
65A 4-in-1 ESC for 2-6S builds on a 30.5x30.5mm stack, running AM32 firmware on an AT32F421 32-bit processor. Suits freestyle and racing quads that need extra current headroom.
Price range: See on Amazon
What we liked
- + Rated for 65A continuous and up to 120A peak per the listing, with headroom above the 45A boards common in this guide.
- + 32-bit AT32F421 processor with PWM frequency support from 8 to 96 kHz and DShot150, 300 and 600 input.
- + Angled solder pads and a multi-layer PCB are listed to ease soldering and help dissipate heat under load.
Trade-offs
- - Runs AM32 firmware rather than BLHeli_S, so pilots used to the BLHeli tools face a different setup process.
- - 30.5x30.5mm mounting only, so it does not fit 20x20mm stacks on compact or lightweight frames.
Prices change often, so check the current price and availability on Amazon.
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