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Description
The Streamlight SL-20LP is a full-size rechargeable polymer duty torch for police, fire and utility crews who need a long-reaching beam on every shift.
On high the SL-20LP produces 450 lumens and 70,000 candela for a 529 m beam and runs for 3.25 hours; medium gives 225 lumens for 5 hours and low 60 lumens for 20 hours.
A strobe adds 4.5 hours of continuous running, and the 5-cell, 6.0 volt, 2.6 Ahr Ni-MH sub-C battery recharges within 9 hours and can be recharged up to 1,000 times. This is the 12 V DC version of the light, charging from vehicle power.
The torch measures 33.5 cm and weighs 0.59 kg with battery, giving the reach and the hand-filling grip of a full-size duty light.
Key features
- Long-range beam — On high the light throws 70,000 candela out to 529 m, enough to work the far end of a yard or a carriageway.
- Four output modes — High, medium and low outputs plus a strobe let one torch cover searching, close inspection and signalling.
- Long run times — Low output runs for 20 hours and medium for 5 hours, so a full shift needs no return to the charger.
- Rechargeable Ni-MH battery — The 5-cell, 6.0 volt, 2.6 Ahr Ni-MH sub-C battery is rechargeable up to 1,000 times, which keeps the running cost per shift low.
- Charge status indicator — The illuminated switch housing is steady while charging and blinks once charging is complete, and a full charge takes 9 hours.
- Sealed polymer build — The lightweight nylon polymer case with its non-slip rubber comfort grip carries an O-ring sealed polycarbonate lens with a scratch-resistant coating.
- Water and impact resistance — The torch is IPX4 water-resistant and tested to 1 m impact resistance.
Typical applications
- Night patrol and perimeter checks where the beam has to reach the far side of a yard or compound.
- Vehicle-based duty use, with the light kept on charge in the cab between calls.
- Fire and rescue searches in unlit or smoke-filled buildings.
- Utility and industrial inspection in substations, plant rooms and outdoor sites.
Technical specifications
| Light output | High: 450 lumens / 70,000 candela / 529 m beam distance / 3.25 hrs Medium: 225 lumens / 35,000 candela / 374 m beam distance / 5 hrs Low: 60 lumens / 9,000 candela / 189 m beam distance / 20 hrs Strobe: 4.5 hours run time |
| Battery | 5-cell, 6.0 volt, 2.6 Ahr Ni-MH sub-C battery, rechargeable up to 1,000 times |
| Charging | Illuminated switch housing indicates charge status; steady for charging and blinking for charging complete |
| Charge time | 9 hours |
| Body | Lightweight, impact-resistant nylon polymer case designed with non-slip rubber comfort grip |
| Lens | O-ring sealed unbreakable polycarbonate lens with scratch-resistant coating |
| Ingress protection | IPX4 water-resistant |
| Impact resistance | 1 m impact resistance tested |
| Length | 33.5 cm (13.2 in) |
| Weight | 0.59 kg (1.3 lbs) with battery |
| Colour | Black |
In the box
- 1 × SL-20LP - 12V DC, black
Model information
| Brand | Streamlight |
| Model | SL-20LP - 12V DC, Black |
| MPN | 25302 |



