Ham Radio Videos
• UltraPack DIY 18650 48wh Battery Pack Component Breakdown, Test & Build Video Part 1
Added at 2016-09-29 01:46:52
FT-817 external battery pack update.
Runtime up, weight down. Just sharing an update from my 18650 ft-817 external battery pack project.
If you haven't been following along I'll briefly tell you the pack is based on lithium ion 18650 batteries (4S1P), 48.8Wh. It has integrated battery management system, allowing balance charging in the field from any DC power source, but specifically designed for solar power e.g. PowerFilm 10-20w folding panel. it's also got an integrated switching voltage regulator, which is doing an excellent job of keeping the voltage stable and regulated for the ft-817.
Hope you find it interesting.
Julian OH8STN