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Used these in pocket sized TacLights & other designed e circuits. I've had very good luck with eFest batteries and they tend to give long service life (as compared to those pea green colored batts - blech). I use eFest batteries in electronics circuits; in series or parallel depending on V or I need, of up to a 4 battery bank as VPS, if needing other V, by using tapped voltage divider to power various sections of an e circuit. Fun schtuff.
Verified purchase: Yes | Condition: New
I have been a large purchaser of Efest batteries for over two years. Even after all I have read about Efest exaggerating their specs... Well, beware of "the purple battery" as now it has been proven to me that their specs are out of whack! I was not certain nor convinced in either direction on the controversy surrounding Efest batteries... Not until I needed them to put out 20 Amps... I bought these "latest and greatest" Efest batteries rated at 35 Amps & 3000 mAh. Now I am stuck with $50 of cells that will satisfy only my "old mods". As it turns out they WILL NOT fire the required 20 Amps to operate the newly released Evolv DNA 200. This is the latest chip to date and the one most are looking to acquire...
Verified purchase: Yes | Condition: New
these 2 Efest Purple IMR 18650 3000mAh / 35A HIGH DRAIN Flat Top Battery / Efest Cases work GREAT for Vaping....... VERY Pleased with my order ;O)
Verified purchase: Yes | Condition: New
Efest has been changing up its cells on us and maybe trying to pull a fast one. Especially this cell. Turns out there are several different cells being used from different manufacturers. One of them is a poor 10amp MH1 cell. I will no longer buy or recommend Efest. Its not like they are making enough money already.
Verified purchase: Yes | Condition: New
I recieved my batteries today and a separate charger I purchased from the company and am very happy with the quality of the batteries and charger. I feel safe using them for my vape mod. They come in their own plastic case each separate and have a scratch off indicator for the serial number so you know their authentic and new. Thank you!
Verified purchase: Yes | Condition: New