- Joined
- Oct 15, 2007
- Messages
- 510
- Points
- 18
Hello guys,
I recently purchased a dremel stylus and after having charged the battery to full for a day or so, the tool only lasts about 2 minutes on high. Being curious by nature, i decided to pull it apart and check the voltage on the cells. I was surprised to see two yellow LG 18650 batteries in there, so i removed them and replaced them with 2 2600 mAh AW protected batteries instead and the runtime has now improved to hours lol. As for the LG batteries, I've charged them to a max of 4.14 V and used them in my flashlight and laser. They both started flashing 2 minutes after having been turned on. The voltage dropped to 4 V after 2 minutes of use! Why are these cells behaving in such a manner? Is there anything I can do to revive them?
Thanks!
I recently purchased a dremel stylus and after having charged the battery to full for a day or so, the tool only lasts about 2 minutes on high. Being curious by nature, i decided to pull it apart and check the voltage on the cells. I was surprised to see two yellow LG 18650 batteries in there, so i removed them and replaced them with 2 2600 mAh AW protected batteries instead and the runtime has now improved to hours lol. As for the LG batteries, I've charged them to a max of 4.14 V and used them in my flashlight and laser. They both started flashing 2 minutes after having been turned on. The voltage dropped to 4 V after 2 minutes of use! Why are these cells behaving in such a manner? Is there anything I can do to revive them?
Thanks!