MH24 Camera Battery Charger for Nikon En-el14 P7100 P7000 D3100 Lithium Battery | eBay
Nikon MH-26a Charger with Adapter BT-A10 (for the Nikon D6, D5, D4s, D4, D3, D3s & D3x DSLRs plus the D850 & D810 DSLRs with Grip etc attached) | London Camera Exchange
Nikon MH-23 Battery Charger | Next Day UK Delivery | Clifton Cameras
The light won't stop blinking even I've already charge it for 4hours : r/ Nikon