900mAh UTL-003 Battery Nintendo DS XL, DSi LL, DSi XL, UTL-001 High Quality, high capacity, light weight rechargeable battery No memory effect. Can be charged or discharged as needed without loss of capacity. Overcharge protection, with built-in battery life microchip. Compatible Models: Nintendo DS XL, DSi LL, DSi XL, UTL-001 Compatible Part #s: C/UTL-A-BP, UTL-003