Yes. All DS models use **replaceable rechargeable battery packs** (not standard AA).
| Console | Battery Model | Type | Capacity | Notes |
|---|---|---|---|---|
| DS "Phat" (NTR-001) | NTR-003 | Li-ion | 850 mAh | Largest, curved. Hard to find new. |
| DS Lite (USG-001) | USG-003 | Li-ion | 1000 mAh | Most common. Aftermarket abundant. |
| DSi / DSi XL | UTL-003 / WAP-002 | Li-ion | 840 / 1400 mAh | Different shape. XL uses larger pack. |
| 3DS / 2DS / New 3DS | CTR-003 / SPR-003 / KTR-003 | Li-ion | 1300–1750 mAh | Not compatible with DS/DSi. |
Fresh battery = 5–10 hrs (DS Lite) / 3–5 hrs (3DS) gameplay.