How to make POWER BANK using D-Size Battery

How to make a Power Bank using a single 1.5v D-Size Battery.
Things required:
1) DC-DC Boost Converter
[Input: 1v-5v, Output: 5v]
2) D size Battery(1.5v)
3) Rubber Wristband
4) Wire, et cetera.
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Most of this type of boost converter module has a low output current so charging time will be comparatively more but this handy charger can be a lifesaver in some emergency as 1.5v batteries are easily available in most of the stores all over the globe.
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This charger will work on any 1.5v to 5v battery e.g. AA, AAA, D etc but AA and AAA batteries will have very less juice as compared to D size battery.
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[@VikramSingh-ry6so]

Super

[@docwilson5384]

Amazing ideal....Peace

[@rafaetkhanrk6475]

Good idea

[@karunakarankuma2620]

Can I connect some more battery in parallele to get more amph it's now 10000 mah then I get more 10000 mah

[@snnyhacksci.5984]

Yes,,

[@newphone9515]

@@snnyhacksci.5984 how much % you got from it I was going to make one my self

[@newphone9515]

@@snnyhacksci.5984 I want to know if I can use 1.2volts aa batteries 10 for them?

[@newphone9515]

I got 5v output and 41% from 6 batteries

[@AMV12S]

Something is wrong..., each one of these have 8 amps, with 6 batteries were talking of 48 amps and 9 volts, this is 432w of power, you can even turn on a computer and use it 😂

[@desiboyz6635]

Abhi ya k ek bhi subscribe nahi hai

[@snnyhacksci.5984]

bro, welcome to my channel

[@shinyivin5119]

I'm also new