Headband flashlight AceBeam H35 — LED headlamp, 2600 lm max, 170 m beam, IP68, 18650 3800 mAh, 216 hr runtime

AceBeam H35 is a headband LED flashlight designed for hands-free illumination. It delivers up to 2600 lumens and a beam reach of 170 m, runs on a single 18650 lithium‑ion battery (3800 mAh) and offers up to 216 hours of runtime on low output. The headlamp features an aluminium IP68-rated housing, an adjustable headband and button controls for straightforward operation.

Advantages

The aluminium housing with IP68 protection provides resistance to water and dust, while the powerful LED array produces a maximum output of 2600 lm and a long beam of up to 170 m. With a single replaceable 18650 Li‑Ion battery (3800 mAh) and up to 216 hours runtime on the lowest setting, the lamp combines portability (163 g) and sustained operation suitable for extended use.

Suitable for

• Outdoor activities: hiking, camping, and night navigation
• Work sites and inspections requiring hands-free light
• Emergency situations and power outages

Key specifications

• Light source: LED, 5 lamps
• Maximum light output: 2600 lumens
• Minimum light output: 10 lumens
• Maximum beam distance: 170 m
• Runtime (maximum / low output): up to 216 hours
• Battery: single 18650 Li‑Ion, 3800 mAh
• Ingress protection: IP68
• Housing material: aluminium
• Controls: buttons
• Weight: 163 g
• Dimensions (W × H): 40 × 44.3 mm

How to use

Install a compatible fully charged 18650 lithium‑ion cell into the lamp according to the polarity markings, attach the adjustable headband and adjust for a secure fit. Use the button controls to cycle through brightness levels and modes; select the appropriate output for the task to balance brightness and runtime. Ensure the unit is turned off when not in use and remove the battery for long-term storage.

Recommendations

For extended battery life, operate the headlamp on lower output levels when full brightness is not required. After exposure to water or dust, check seals and dry the unit before opening the battery compartment. Use only recommended 18650 Li‑Ion cells and follow manufacturer guidance on charging and disposal.