• Repairing a failed EV charger DC-DC converter had an unusual twist. • Forum: https://www.eevblog.com/forum/blog/eevblog-1726-repair-of-an-ev-charger/ Podcast: Download Repairing a failed EV charger DC-DC converter had an unusual twist. • Forum: https://www.eevblog.com/forum/blog/eevblog-1726-repair-of-an-ev-charger/ Podcast: Download How much capacity has this 20+yo 1000+ cycle Panasonic 14500 lithium ion battery lost?

Article Summaries:

  • EEVblog episode 1726 documents the repair of a failed DC‑DC converter in an electric‑vehicle charger. The technician discovers that the converter’s failure was caused by a degraded 20‑year‑old Panasonic 14500 lithium‑ion battery, which had accumulated over 1,000 charge cycles. The battery’s capacity loss is identified as the root cause, an unusual twist in the troubleshooting process. The post includes a forum discussion and a podcast download, offering viewers detailed insights into diagnosing and correcting the converter’s malfunction.

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