Internal 2000mAh battery VS External Cta External portable power battery

#1ZXlegends822Posted 7/25/2011 5:12:38 PM
I'm stuck on witch i should buy, the external bat also double as a wireless charger and and battery life but makes the 3DS bulkier. The internal fits right into the 3DS battery compartment but i dont know how long the battery life last.

Witch should i get?