Review on 🔋 Comidox 2Pcs 3S 20A Li-ion Lithium Battery Protection Board 18650 26650 Charger PCB BMS Protection Board 12.6V Cell Module-AUTO Recovery: Ultimate Battery Safety and Performance Enhancer by Scott Decoteau

So I ordered 2 packs of 20A 12V charge/recharge modules and 3 packs of 10A 12V modules, most look great but I pulled one of the 20A modules and found that there's a little white line in the corner, look very closely, i'm sure it's a tear, it won't rub off, and i swear i can feel a little protrusion when i run my fingernail across it. This could very well be due to delivery as all others were fine these are 4 out of 5 modules looking great. This crack can be superficial and the module can function normally, but I know that faulty mosfets are prone to cracking, so I would expect a new MOSFET with a crack to be even more prone to failure and accelerated cracking. I don't want to return both for a refund (sold as a 2 pack) or put my project on hold now that I have one that looks great. tried to send a message to the seller but i don't know if the internet was just funny or what but it just didn't load the window to type a message (a new computer working in everything else i have , worked fine, so I don't think the problem was on my side). Really didn't want to be the first reviewer to say you have to return both for a refund. Will update the review when I test the device and if I get contact from the seller after this review.