Tera 2000mAh Li-ion 3.7V Rechargeable Battery Pack Replacement for Nintendo 3.D.S with Screwdriver High-quality battery for long time use Comes with 2000mAh large capacity , well supports your long time game playing Present the screwdriver as a gift, easy for the battery loading and unloading Replace a worn-out or lost battery for Nintendo 3.D.S Suitable for Nintendo 3.D.S controller