2 Packs 18650 Rechargeable Battery 3.7V 3500mAh 18650 Flat Top Battery for Headlights etc

These are exact replacements for my rechargeable flash light

Shipped quickly

Avoid. Batteries do not last long.

They’re pretty decent, and seem to be the best seller. When they get below 60 or 50%, they start to drain pretty quick, but overall, I can get an entire day of excessive vaping without charging.

Works perfectly.

Got these for a vape. They hold a charge well, and drain slowly (as opposed to some which suddenly drop off after like 75-50%).

These batteries are okay but charge drops suddenly and unexpectedly in moderately high discharge use cases. Worked for me in a pinch but I wouldn’t rely on them long term

I'm not an expert, I bought them to replace batteries in my Hair Trimmer. So far they work great.