![PSA: This is why you should avoid Ultrafire and sketchy Chinese batteries. There's no protection circuit, despite their claim, and their advertised capacity is 9 times what they're capable of. : r/flashlight PSA: This is why you should avoid Ultrafire and sketchy Chinese batteries. There's no protection circuit, despite their claim, and their advertised capacity is 9 times what they're capable of. : r/flashlight](https://i.redd.it/waeeidjfj5w61.jpg)
PSA: This is why you should avoid Ultrafire and sketchy Chinese batteries. There's no protection circuit, despite their claim, and their advertised capacity is 9 times what they're capable of. : r/flashlight
![Purchased 18650 battery for first time. Seller told me it's Panasonic 3400mAh capacity. I am getting some doubts about it being fake because original one has different top side on the internet. Purchased 18650 battery for first time. Seller told me it's Panasonic 3400mAh capacity. I am getting some doubts about it being fake because original one has different top side on the internet.](https://preview.redd.it/v8f7cih6ysv71.jpg?width=640&crop=smart&auto=webp&s=99a3079b7e810044a3a85358fc075a176213b7a1)
Purchased 18650 battery for first time. Seller told me it's Panasonic 3400mAh capacity. I am getting some doubts about it being fake because original one has different top side on the internet.
![Amazon.com: 18650 Battery Charger, Keenstone Smart Universal Charger LCD Display for Rechargeable Batteries Ni-MH Ni-Cd AA AAA Li-ion LiFePO4 IMR 10440 14500 16340 RCR123A 26650 : Electronics Amazon.com: 18650 Battery Charger, Keenstone Smart Universal Charger LCD Display for Rechargeable Batteries Ni-MH Ni-Cd AA AAA Li-ion LiFePO4 IMR 10440 14500 16340 RCR123A 26650 : Electronics](https://m.media-amazon.com/images/S/aplus-media-library-service-media/41ea697a-590f-4894-816f-94db8c70b072.__CR0,0,362,453_PT0_SX362_V1___.png)
Amazon.com: 18650 Battery Charger, Keenstone Smart Universal Charger LCD Display for Rechargeable Batteries Ni-MH Ni-Cd AA AAA Li-ion LiFePO4 IMR 10440 14500 16340 RCR123A 26650 : Electronics
![After 15 days, Finished this MASSIVE guide for 18650 battery - I covered Safety, Fake and Quality Brands, CDR, Voltage, Capacity and a few other things! The guide is aimed at total After 15 days, Finished this MASSIVE guide for 18650 battery - I covered Safety, Fake and Quality Brands, CDR, Voltage, Capacity and a few other things! The guide is aimed at total](https://external-preview.redd.it/uwYce9Gm_6MgqHj_ZhbFCChBR24n4lx_1eVYA3mUtCE.jpg?auto=webp&s=7a4338dea64b99c06c565d139711628368f548a9)