I've recently been purchasing accessories for my FT-891. However, I had previously used a shortwave radio from another ham operator that came with a built-in battery, so I forgot to include the power supply when I was assembling mine.
I recently discovered that an external power supply was required before placing my order, so I started searching online for a solution. However, since I couldn't find a particularly suitable option to meet my needs, I decided to ask for advice from experienced users.🥺
Requirements:
1. Primarily using a hand-crank, as it needs to be able to go up and down hills, the power source should not be too large (at least smaller than a radio).
2. Since the budget has already been exceeded, performance aspects such as battery life and power are not a priority. However, stability and safety remain important considerations.
3. The trip requires travel between cities, and it would be ideal to bring a high-speed train (although it seems difficult now due to the recent incident with power banks). This is not essential.
I'm just starting to understand this, but I was wondering if it might be similar to making a wish.
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