quizas te sirva:
http://www.ebay.co.uk/itm/2430MAH-HI...d=245452034747
This battery is safe to use,
identical in size & shaped to the original manufacturer's batteries and far better value for money. So with an extra battery on hand you can ensure that you never run out of power again!
con lo cual usando la cubierta actual te sirve. no necesitaras adaptacion alguna teniendo el mismo tamaño
Pd: negritas mias