Broken(?) battery T622797 1800mAH HY1019110111

[battery]

Bought this tablet for a coupe 'o bucks.
The guy I bought it from was using some random 9v charger and the battery seems to be unable to hold charge for more than a few seconds.
A proper 7.4v charger is on its way from ebay.

Does anyone have access to a spare battery or will this battery charge correctly and hold charge once a 7.4v charger is used on it?

T622797 1800mAH HY1019110111

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I love how plugging a mouse into this shows a cursor!

 

[tipstir]

You can use any battery pack even go higher than 1800mAH. I would search on ebay or on the internet and grab the battery pack and cut then solder the leads only two wires. PSU you need to search for it or contact the make if you have on make on it.

 

[battery]

The battery in this unit is quite thin. I've been looking on ebay UK but all seem to be too thick.
The one I have is 6m x 55mm x 100mm. Could you please suggest a battery I could use?