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Includes S7 Headlamp, Battery, and Charger
The StenLight S7 is a high powered LED lamp designed especially for the
hostile caving environment. Mud, water, and shock-resistant, the S7 was
designed by cavers to address the shortcomings of conventional cave
lamps.
Key Features:
- Brightest portable LED light available
- Extremely long LED life (>20,000 hours)
- Solid state and shock-resistant – no breakable filament or gas-filled tubes
- Flicker-free all-analog control circuit provides current regulation at all brightness levels for constant brightness
- Operates off any 6 to 18 volt DC power source
- High electrical and optical efficiency make the most of your batteries (96% electrical efficiency from 7.2V, 93% from 12V)
- Compact, rugged anodized aluminum case
- Lightweight -- under 125 grams
- Long throw, high durability magnetic switch
- Water-resistant up to 25 feet (no moving parts penetrate the sealed lamp body)
- Smooth, optimized beam pattern with user-swappable lens options
- Temperature limiting to prevent overheating of LEDs or exterior
- Four logarithmic brightness levels
- Swivel bracket supports easy adjustment of a wide range of vertical angles
The StenLight S7 uses a high-efficiency all-analog control circuit that regulates LED current in all brightness modes, and limits itself to a safe temperature by reducing LED current when necessary. The magnetically controlled switch has 5 clearly-defined positions that are separated to avoid accidentally switching the unit off. The switch has no moving parts inside the lamp body, and is fail-safe – if the switch is destroyed or the magnet lost, the unit defaults to the LOW setting, which is still bright enough for you to find your way.
|
Brightness Settings Summary |
|||
|
Setting |
Power Consumption |
Run Time1 |
Light Output, min. lumens2 |
|
OFF |
200 microwatts 3 |
20 months 4 |
- |
|
LOW |
100 milliwatts |
> 3 days |
3 |
|
MEDIUM |
600 milliwatts |
> 24 hours |
12 |
|
HIGH |
2 watts |
7 to 8 hours |
45 |
|
TURBO |
4 watts 5 |
3 to 5 Hours |
70 |
|
TURBO |
7 watts 5 |
2 Hours |
140 |
Technical Notes:
- based on the StenLight (LG723) 2.3 AH 7.4V lithium ion battery, fully charged
- calculated based on LED output and optical efficiency of lenses and front window
- OFF mode consumes 25 microamps (typical) regardless of input voltage.
- Consumption by StenLight only – does not include battery self-discharge
- TURBO mode is typically limited to 4-5W for long-term use due to thermal limiting.
|
Technical Specifications |
|
|---|---|
| Weight |
125 grams (4.4 ounces) |
| Dimensions (main body) |
2.2”W x 1.4”H x 1.2”D (55 x 35 x 30 mm) |
| Dimensions (maximum) | 2.7”W x 1.8”H x 1.7”D (68 x 45 x 41 mm)
including bracket, switch handle travel, and connector |
|
Input voltage
|
7.2 – 18V (operating, Turbo mode) 5.3 – 18V (operating, Low mode, 25C) -0.3 – 18V (nonoperating/off) |
|
Temperatures |
-40 – 140 F (-40 – 60C) (operating) -85 – 194 F (-65 – 90C) (nonoperating) |
Warnings:
- As with any portable lamp, keep alternate light sources with you at all times.
- The unit will become hot if used in TURBO mode for more than a few minutes. The temperature is regulated to prevent damage to LEDs and to prevent burns, but the lamp may be uncomfortable to hold, especially after an hour or more of TURBO operation.
- Use only with approved batteries and cables. Connection to third-party batteries and cables is at the owner's risk – be aware that some third party products use the same connectors with reversed polarity, which could destroy the StenLight unit and/or the third party battery and could cause dangerous overheating of the cable, lamp, and battery.
StenLight User FAQ
Charger
Does the StenLight CL84-1 Charger work from 220/230/240 volt AC power?
Yes, the charger works from 100 to 240 volts AC. All that is needed is an adapter from a US-style plug to your local style of plug.
The charger's LED is green, but when I use the battery it is not fully charged. Is this normal?
The charger's LED will be off only when it is not properly connected to an AC power source. If it is connected to a battery while not hooked to AC, the light will be green regardless of the battery's state of charge, and it will slowly discharge the battery. You should verify that the charger's light is green before connecting the battery.
Battery
How can I maximize the useful life of the StenLight Lithium Ion Battery?
Li Ion batteries are limited as much by their age than by the number of charge-discharge cycles; within 5 years they will typically have reduced capacity. The most important factors for the life of Li Ion batteries is to avoid storing them at high temperatures. Storing Li Ion batteries at 100% charge also reduces their life, especially if they are left on the charger for more than a few days or charged frequently without using them. For long-term storage we recommend keeping them in a refrigerator (or at least a cool location), and storing them only half-charged (near 7.5 volts open circuit).
Unlike nickel-cadmium batteries, fully discharging and recharging Lithium Ion batteries is not helpful. Li Ion batteries can be recharged reliably and directly from any state of charge as long as they are near room temperature.
The most vulnerable part of the LG723 battery, as with most devices with built-in cables, is the spot where the cable attaches to the rest of the battery. The battery is designed to be quite durable if treated properly. Avoid bending the cable tightly backwards; if you need to bend it, bend it gently around the end of the battery and across the other side.
Connectors
What sort of connectors do the StenLight products use and where can they be obtained?
We use Molex/Waldom's 0.062" Standard 2-pin connectors, which are widely available from most major electronics parts distributors (Digikey, Arrow, TTI, etc.) and AMP/Tyco has a compatible series of connectors as well.
Part numbers used are as follows:
Lamp, Charger
Connector Shell -- Molex/Waldom 03-06-2023
Pins (2 per connector) -- Molex/Waldom 02-06-2103Battery, 6xAA Adapter
Connector Shell -- Molex/Waldom 03-06-1023
Pins (2 per connector) -- Molex/Waldom 02-06-1103
We offer enough parts for two of each connector, along with adhesive-lined heat shrink, in our "Connector Kit".
Why didn't you use gold-plated pins in your connectors?
In some applications, gold plating can reduce contact resistance and corrosion. However, with more than 7 volts of potential in a moist environment, gold plating doesn't help significantly. Using dielectric grease on the connectors is far more effective at reducing corrosion.
Is the connector waterproof?
The connectors used in the StenLight products are not waterproof. The problem with true waterproof connectors is that they tend to be very large and expensive. "Splashproof" or semi-waterproof connectors become full of water even at fairly modest depths, add bulk and weight, and are hard to clean mud out of compared to the connectors we chose.
| Manufacturer | StenSat Group |
|---|---|
| SKU # | 01960-XX |
| Country of Origin | United States |
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