has anyone ever attempted...

[karsten]

mods using GBA or similar rechargable batteries, to be plugged into oldschool portable machine like neogeo pocket/color, wonderswan/color, gamegear and similar?

i'm wondering how feasible such hacks would be and how long would the batteries last (neo geo pocket color had INSANE battery life; 40 hours on 2 AA batteries).

karsten

[ASSEMbler]

Did this on a game gear. If you want to charge it in the device,
you need a cheap charge circuit and a small device to change the voltage.

[karsten]

what battery did you use? how well did it perform?

any pics?

[TmEE]

I would much rather use some rechargeable 2500+ mAh batteries... my Nomad is still hungry enough to drain 12000mAh within 5 hours using maximum volume on relatively big earphones.

[karsten]

shouldn't lithium ion batteries from cellphone/psp/GBA perform far better?

[retro]

Why bother? Just use rechargeable Alkalines:

http://www.pureenergybattery.com/

Game Gear had a rechargeable pack, by the way ;-) Actually, weren't there two? The grip and the external one that plugs in the power socket.

Third party copy:

http://cgi.ebay.com/SEGA-GAMEGEAR-RECHARGEABLE-BATTERY-PACK-with-AC-ADAPTOR_W0QQitemZ260334756676QQcmdZViewItemQQptZVi deo_Games_Accessories

Been done for NGPC:

http://www.play-asia.com/paOS-13-71-ka-49-en-70-f7.html

Been done for WonderSwan:

https://www.risingstuff.com/store/wonderswan-rechargeable-battery-p-2592.html

[TmEE]

shouldn't lithium ion batteries from cellphone/psp/GBA perform far better?

The capacity matters more than what kind of battery it is... for example, DS has a 1000mAh block in it, and it will last lot less than 2x 2500mAh AAs...

[Michael]

Gomadic makes a wall wart and car charger with exchangable tips:
http://www.gomadic.com/cabletip.html
They make portable AA chargers too like this one for the DS:
http://www.gomadic.com/nintendo-ds-lite---dslite-emergency-aa-battery-extender.html
I've thought about making my own or to use their system as a base to make a compatible tip with all my handheld game systems. Yes, it would plug in outside the system, but with it and a few different tips you would be able to play them all... The same tips would then be able to used with a AA case, a car plug, and a wall wart.

Never got beyond the "this would be cool" stage in my head...

[BBaileys]

I remember the Neo Geo pocket had a third party rechargeable battery pack. I still have one somewhere, however I doubt it still works. If I can find it I will post a picture of what it looks like.

[KIWIDOGGIE]

Thanks for all the info guys.

[retro]

I remember the Neo Geo pocket had a third party rechargeable battery pack. I still have one somewhere, however I doubt it still works. If I can find it I will post a picture of what it looks like.

Uhh, try looking at my post? :110:

[ServiceGames]

I`ve got a rechargable battery pack for NGPC made by Nyko. It has a very weird form factor with the battery actually diverted horizontally across the center of the units rear.

Out of town for a while so no pics, but I`m sure they can be found floating around somewhere. Also may be of noting that it has rechargable AA`s inside it and seems easy to open for replacing.

[retro]

The Shock 'N' Rock or the Power Wormlight?

http://web.archive.org/web/20010303003235/http://nyko.com/html/neogeo.html

[Jamtex]

I did use a smallish lead acid battery that offered 5Ah at 12V and I got a lot of run time with a Sega Nomad. :)

[1080Peter]

I did use a smallish lead acid battery that offered 5Ah at 12V and I got a lot of run time with a Sega Nomad. :)

You're so hardcore man.. risking potential harm just to have comfortable gaming time. :dance:

[Blur2040]

I just use rechargables AAs with my handhelds nowadays. I can get an absolutely epic time out of an Atari Lynx with the batteries that I'm currently using. Like 6+ hours, maybe more with a new set that I bought.

[ServiceGames]

The Shock 'N' Rock or the Power Wormlight?

It's the Power Wormlight. Oh how we forget how good we have it with backlit screens these days.

A point of interest with the Power Wormlight for NGPC is that the battery pack actually adds a Wonderswan EXT. port to the battery compartment which the Wormlight then attaches to. I'm not sure if there was ever a native NGPC Wormlight produced.

[bacteria]

I tried using the NDS rechargables but they are crap, they have very little amperage. Putting two AA's in a GBA SP or NDS would probably give a massive playtime I guess!

[graciano1337]

Why bother? Just use rechargeable Alkalines:

http://www.pureenergybattery.com/

Game Gear had a rechargeable pack, by the way ;-) Actually, weren't there two? The grip and the external one that plugs in the power socket.

Third party copy:

http://cgi.ebay.com/SEGA-GAMEGEAR-RECHARGEABLE-BATTERY-PACK-with-AC-ADAPTOR_W0QQitemZ260334756676QQcmdZViewItemQQptZVi deo_Games_Accessories

Been done for NGPC:

http://www.play-asia.com/paOS-13-71-ka-49-en-70-f7.html

Been done for WonderSwan:

https://www.risingstuff.com/store/wonderswan-rechargeable-battery-p-2592.html

oh the memories... i used to have one of these...

http://cgi.ebay.com/Sega-Game-Gear-Rechargeable-Battery-Pack-Original_W0QQitemZ260374271215QQcmdZViewItem#ebayp hotohosting

[retro]

Yeah, that's the one! I still have mine. It wasn't bad, but a bit annoying to carry around! I dare say the grip was more convenient.

[grahf]

I have a Nomad back in the states with a mostly finished internal lithium ion battery mod. There is a TON of space inside that thing. I used a portable dvd battery pack, so the cells are a few thousand mAh. I'll post pics of the thing this summer.

For anything that originally took internal AAs, NIHM rechargeables are the way to go. I get a ton of playtime on my PC Engine GT using 2000mAh Sanyo Eneloops.