2 x 21700 Li-ion Rechargeable Battery | Suits H15R Core, H15R Work, H1 | Ledlenser USA
Amazon.com: Ledlenser H14R.2 - Rechargeable Outdoor LED Head Torch, Super Bright 1000 Lumens Headlamp, Water Resistant (IPX4), Camping, Hiking Equipment, Head Torch Rechargeable, Up to 35 Hours Running Time : Sports & Outdoors