battery

i have seen this nice battery around called the t-1248a. it's a nice battery for portable applications. it can be fond with a charger on ebay for 27$. should i buy it

there is no

there is no datasheet i can find. max i can do is link to ebay or this: http://www.alibaba.com/product-gs/283110784/Portable_12V_li_ion_Rechargeable_Battery_Pack_4800mAh.html

not much documentation