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Full Version: Your opinion about this custom USB charger for vintage Calculators
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Hi All,

The TAS site has the following auction. The auction sells custom made USB cables that will charge HP-35, 45, 65, 80, and 67. The seller explains the voltage and current provided by his custom USB cable.

Your opinion? Ok to buy?



Edited: 10 Aug 2011, 9:09 p.m.

This has come up before and the consensus was it won't hurt the calculator and will eventually charge it.

I've got one I use with a 45 and haven't had any problems.

- Pauli

Thanks Pauli!! I needed someone to give me the green light to buy such an adapter.


I've used one for several months. No problems so far.