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/sci/ - Science & Math


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File: 25 KB, 400x300, duracell aa.jpg [View same] [iqdb] [saucenao] [google]
4156812 No.4156812 [Reply] [Original]

Ahoy /sci/.

Curious which type of AA batteries would prove most cost efficient for what I assume is a high draw device; Xbox 360 controllers? And with that, anyone got a suggestion for which brand/model is best? And which manufacturers also make off-brands?

tl;dr Anyone know batteries?

>> No.4156839

rechargeables

oh wait, the fucking controllers have rechargable packs

>> No.4156885
File: 29 KB, 620x191, energizer AA.jpg [View same] [iqdb] [saucenao] [google]
4156885

Game controllers are not high draw devices.

Regardless, Sanyo Eneloops and all their rebrands are an excellent rechargeable solution.

>> No.4156907

OP, pull the lithium battery out of a phone and hook it up, works just the same

You can also recharge it using the leads on the phone charger. Just cut off the phone connector, attach alligator clips, and connect the red wire to the lithium battery's POSITIVE terminal, the black to negative. Let it run for 3 hours for a full charge, or 10-20 minutes a day to keep the battery fully charged longer.

>> No.4156919

>>4156885
>Game controllers are not high draw devices.
This, lul.

Though rechargeable NiMH cells are both immensely more cost-effective than alkaline primary cells, AND perform infinitely better in high-draw applications. The big downside is they have only about half the capacity before you need to swap/charge them.

>> No.4156922
File: 9 KB, 469x428, Troll peeking.png [View same] [iqdb] [saucenao] [google]
4156922

>>4156907

>> No.4156963

>>4156919
>they have only about half the capacity

This disparity isn't quite so bad anymore. Good alkalines store around 3000mAh at optimal current (around 200mA; too much more and they go right to shit), while NiMH are up around 2700mAh for standard or 2000mAh for low self-discharge, and can deliver their capacity at much higher current.

>> No.4156975
File: 18 KB, 600x600, liioncell.jpg [View same] [iqdb] [saucenao] [google]
4156975

>>4156922

No. That post was technically sound, if impractical.

I've actually done the inverse; used a Li-ion cell charger and alligator clips to charge someone's phone battery because they'd lost their charger.