Amazon.com : Wasabi Power Battery for Pentax D-LI90 and Pentax 645D 645Z K-01, K-1, K-1 II, K-3, K-3 III, K-5, K-5 II, K-5 IIs, K-7 : Digital Camera Batteries : Electronics
Rechargeable L-Ion Battery D-LI90 for Pentax DSLR cameras – PENTAX - Official Store
Pentax D-LI90 Battery (2-Pack) and Dual Charger by Wasabi Power
2X D-LI90 DLI90 Battery For PENTAX K-7 K-7D K-5 K-5 II 645D K01 K-3 K-3 II 645Z | eBay
D-Li90 for Pentax 1600mAh Camera Battery | Jupio
Batteries N Accessories BNA-WB-DLi90 Digital Camera Battery - li-ion, 7.4V, 1900 mAh, Ultra High Capacity Battery - Replacement for Pentax D-Li90 Battery - Walmart.com
PENTAX D-LI90 DLI90 Battery For K-3 K-7 K-7D K-5 K-5 II K5 IIS K01 645D Camera | eBay