Li-ion Batterypack 8.4V, 35Wh
- Availability: In Stock
Large 2-cell battery for M and L headlamps
Can be mounted on a headstrap of L headlamp. Cannot be mounted on a headstrap of M headlamp. Can fit also neoprene pouch.
Maximum energy for the longest runtimes
Batterypack with 2 li-ion cells Panasonic 21700, each with capacity of 5000mAh. These cell are the world best 21700 batteries nowadays. Protection circuit protects both cells separately from overdischarge, overcharge and against short-circuit. Protection circuit is made from high quality components and therefore add only 6 miliohm of resistance. Connector is DC 5.5/2.1 with current rating of 7 ampers. Cable is bulletproof PUR cable, which we use in all our products.
High-current connectors and tough cables
The new grey, non-coiled cables are special! They are made from tough PUR materials, flexible to minus 30°C and very resistant to wear and weather. We have carefully designed the wiring to fit all head sizes from large men to small women. For special needs (such as fitting the light to your climbing or caving helmet) just record your needs in a comment when ordering.
The cable’s specification confirm its exceptional toughness:
- Guaranteed permanent application in multi-shift operation under extreme high bending stress
- Test of alternating bending cycles approx. 10 million
- High resistant to mechanical strain
- High property of alternating bending strength
- Long life durabilities through low friction-resistance by using the PP insulation
- High tensile strength-, abrasion- and impact resistant at low temperature
The connectors are specified for currents up to 7A and ensure firm and reliable contact over the long-term. Although they click together tightly (making accidental disconnection nearly impossible) they are easy to, even in difficult conditions when wearing gloves or in extreme cold.
Veight: 187 gr.
Internal resitance (measured with connectors and cable resistance): 124 mili-ohm.
Compatible chargers: All 8.4V li-ion chargers with current 0.5A, 1A or 1.5A. All these can be used for everyday charging.