Whats inside A Nagra lithium battery power pack MF#70

here i take apart a rechargeable battery pack for the Nagra IV (6) digital recorder to find replaceable Lithium ion's inside.
"I am not making a personal attack on Nagra as I have worked with their products for over 20 years and find them to be of the highest quality, my only complaint is the difficulty of finding Just the battery cell pack so I can replace them myself."
I think Its an expensive waste to purchase the box and circuit everytime a battery fails especially as the cell pack simply unplugs. After making this video I have now been informed that the separate battery pack is available though I could not find this option before the whole block with electronics was ordered else I would not have made this video. I understand that these batteries have to pass many quality checks and special circuitry is required as Li-ion batteries can be quite dangerous if not used or charged correctly. It is therefore not wise to replace these yourself unless you seek the correct replacement parts that were designed for this specific item. If something goes wrong then you are risking the possible damage of your Nagra recorder.
the internal battery cell-pack is marked as HY-Line H2B295
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