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[Icarus]

My first Tamagotchi was a Connection v1 that was one of the ones whose batteries drained after the first week. Once I found out about it, I got a new one (after the old v1s were off the shelves) and this one lasted a few weeks before going out. Currently, I have four or five Connections and an Angelgotchi, but I can't keep them all going because of the batteries! What's more, using the Infra-Red connection between them drains the battery even faster.

I heard something about a v4.5 that's rechargeable, but I haven't found much info on it. The point is, with rechargeable lithium batteries so prevalent in today's society, why are Tamagotchi still on disposables?

Fun Fact: My brother figured out a way and succeeded in rigging a battery pack to my original v1. It ran on two AAAs and could last about 24 hours before running out of juice. Also if you bumped it the batteries disconnected and you had to download again.

[Rushes]

I looked this up on Wiki, out of interest.  Wiki says that rechargeable button cells "are commercially available, but are not commonly used due to their inferior capacity or higher self-discharge"?

What quality of batteries do you buy?  I've found that tama batteries last for around 3 months constant use on average.  I buy strips of 5 batteries from eBay for £2.00 a strip.  I don't think that's so expensive.    Having said that, I rarely use the infra-red connection.

[Icarus]

I looked this up on Wiki, out of interest.  Wiki says that rechargeable button cells "are commercially available, but are not commonly used due to their inferior capacity or higher self-discharge"?

What quality of batteries do you buy?  I've found that tama batteries last for around 3 months constant use on average.  I buy strips of 5 batteries from eBay for £2.00 a strip.  I don't think that's so expensive.    Having said that, I rarely use the infra-red connection.

Duracell? I just get what they have at the store.

[Kokuma]

I looked this up on Wiki, out of interest.  Wiki says that rechargeable button cells "are commercially available, but are not commonly used due to their inferior capacity or higher self-discharge"?

Rechargable CR2032s are used in computer mother/mainboards. They keep the computer's main clock in time and give voltage to the BIOS system even while computer is shut down. BIOS neds voltage for that clock feature and some other small processes that stay always active .

If you disconnect computer from wall electro plug for several weeks, the motherboard CR2032 loses the charge but will recharge in couple of hours after the compu is plugged again into electro network.
This describes how it's in tabletop computers, I don't know about laptops, I've never opened one.

Basically they could release rechargable CR2032s into stores with recharger that can also handle button batteries aside AA/AAA/C/D/9V, and that "ecological CR2032" thing would work well with Tamas and other accessories that use CR2032s like pedometers.

Maybe in the future they make color screen Tama that has built-in accu and you can charge it with cellphone recharger or micro-USB

[Icarus]

I looked this up on Wiki, out of interest.  Wiki says that rechargeable button cells "are commercially available, but are not commonly used due to their inferior capacity or higher self-discharge"?

Rechargable CR2032s are used in computer mother/mainboards. They keep the computer's main clock in time and give voltage to the BIOS system even while computer is shut down. BIOS neds voltage for that clock feature and some other small processes that stay always active .

If you disconnect computer from wall electro plug for several weeks, the motherboard CR2032 loses the charge but will recharge in couple of hours after the compu is plugged again into electro network.
This describes how it's in tabletop computers, I don't know about laptops, I've never opened one.

Basically they could release rechargable CR2032s into stores with recharger that can also handle button batteries aside AA/AAA/C/D/9V, and that "ecological CR2032" thing would work well with Tamas and other accessories that use CR2032s like pedometers.

Maybe in the future they make color screen Tama that has built-in accu and you can charge it with cellphone recharger or micro-USB

That's pretty much my dream right there (not so much the colour part though).

I talked to my brother about how much it would cost for him to rig one up and he said about $40 depending on how long I wanted the battery to last and such. I'm sure if I bother him, he can figure out a cheaper way though.