Fujifilm NP-50, BC-50, BC-45W Battery (2-Pack) and Charger by Wasabi P – Wasabi Power
Fujifilm X20 Battery and Charger with Car Plug and EU Adapter - Replacement for Fujifilm NP-50 Digital Camera Batteries and Chargers (1100mAh, 3.7V, Lithium-Ion) - Walmart.com