EEVblog #811 - How The Varta 15 Minute Battery Charger Works

A look inside the Varta 15 minute 8A NiMH fast charger. A teardown and look at how it works and the circuit topology. Can Sanyo Eneloops be charged this fast too? Part 2: https://www.youtube.com/watch?v=OgsWOHdDn2w Forum: http://www.eevblog.com/forum/blog/eevblog-811-how-the-varta-15-minute-battery-charger-works/ Datasheets: http://litel.com.pl/karty-produktow/Varta-AA-2100mah-56706-datasheet.pdf http://www.din-tek.jp/Upload/Product%20Doc/Datasheet/DTM4410.pdf http://www.ti.com/lit/ds/symlink/tl494.pdf EEVblog Main Web Site: http://www.eevblog.com The 2nd EEVblog Channel: http://www.youtube.com/EEVblog2 Support the EEVblog through Patreon! http://www.patreon.com/eevblog EEVblog Amazon Store (Dave gets a cut): http://astore.amazon.com/eevblogstore-20 T-Shirts: http://teespring.com/stores/eevblog Donations: http://www.eevblog.com/donations/ Projects: http://www.eevblog.com/projects/ Electronics Info Wiki: http://www.eevblog.com/wiki/ ? Likecoin – Coins for Likes: https://likecoin.pro/@eevblog/dil9/hcq3