T21 Batteries

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kengeo · #1 Post by **kengeo** » Thu Feb 02, 2006 4:32 pm

I need to replace the battery on my T21, I have read in this forum that
a T30 battery will fit, is this true? as I have come across a couple of sites
that supply replacements [new 1yr g'tee] for around £50. the strange
thing is the T30 [20%more capacity] is £5. cheaper than the T21!! So if
I can be assured that the T30 one will fit with no problems I'll order one.
Thanks for any positive replies.

betabill · #2 Post by **betabill** » Thu Feb 02, 2006 5:28 pm

Yes, the T-30 battery fits a T-21 but make sure you have a 72 watt charger, some chargers are 56 watt and will not completely charge the T-30 battery.

Antonio · #3 Post by **Antonio** » Thu Feb 02, 2006 6:06 pm

hi kengeo

Can you give me the link for the battary as I also need one for my T23
and I am from the uk

betabill

How do I tell if my charger is 72 watts? the underside of mine says 16 volts out put

Nolonemo · #4 Post by **Nolonemo** » Thu Feb 02, 2006 6:38 pm

The charger would be rated around 4.5 amps (as opposed to around 3.5 amps for the 56W charger).

Antonio · #5 Post by **Antonio** » Thu Feb 02, 2006 6:53 pm

Nolonemo

Thanks mate, I do have the 4.5 amps

now I just need the link

Gord K. · #6 Post by **Gord K.** » Thu Feb 02, 2006 7:20 pm

W = V * A, 16 volts times 4.5 amps is 56 watts by my math.

Or am I overlooking something painfully obvious to the rest of you?

I'm not trying to stir things up, I have a T21 with a battery that won't hold a charge so I am looking for a replacement. My AC adapter's output is 16 volts at 4.5 amps...

Gord.

betabill · #7 Post by **betabill** » Thu Feb 02, 2006 7:31 pm

16X4.5 is 72 my my math.

Antonio · #8 Post by **Antonio** » Thu Feb 02, 2006 7:43 pm

yeah my math is the same it comes to 72w

linux_inside v2 · #9 Post by **linux_inside v2** » Fri Feb 03, 2006 7:40 pm

yep 72 by mine too, and i failed math at school so that says something

djpharoah · #10 Post by **djpharoah** » Fri Feb 03, 2006 7:56 pm

hey guys.
i have a 72W/4.5A charger but i have a T20
would the T30 battery still work on my laptop? dont the T20/21/22 all use the same batteries>?

-dj

betabill · #11 Post by **betabill** » Fri Feb 03, 2006 8:21 pm

Yeah, they will accept the T30 battery

djpharoah · #12 Post by **djpharoah** » Fri Feb 03, 2006 8:49 pm

wow thanks
wonder why they dont advertise that fact online?

-dj

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