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Description
A full-size rechargeable aluminium duty torch for professional users, delivering 450 lumens and a 529 m beam with three regulated intensity modes.
The SL-20L is a full-size rechargeable torch built around a machined aircraft-grade aluminium body with a Type II anodised finish. High, medium and low modes give 450, 225 and 60 lumens, and the tight beam reaches 529 m on high.
A 5-cell, 6.0 volt, 2.6 Ahr Ni-MH sub-C battery can be recharged up to 1,000 times and returns to full charge within 9 hours. The illuminated switch housing shows a steady light while charging and blinks once charging is complete.
This configuration is set up for 230V AC and 12V DC charging and comes with two charge sleeves, so the same torch can be kept ready at a base station and in a vehicle.
Key features
- Peak output — High mode delivers 450 lumens and 70,000 candela for a beam distance of 529 m.
- Three regulated modes — High, medium and low give 450, 225 and 60 lumens with run times of 3.25, 5 and 20 hours.
- Strobe mode — A strobe mode runs for 4.5 hours for signalling and marking work areas.
- Rechargeable Ni-MH pack — The 5-cell, 6.0 volt, 2.6 Ahr Ni-MH sub-C battery can be recharged up to 1,000 times.
- Charge status indication — The battery recharges within 9 hours, with the illuminated switch housing steady while charging and blinking when the charge is complete.
- Sealed polycarbonate lens — An O-ring sealed unbreakable polycarbonate lens carries a scratch-resistant coating.
- Water and impact resistance — The design is IPX4 water-resistant and tested for 1 m impact resistance.
- Full-size aluminium body — Machined aircraft-grade aluminium with a Type II anodised finish, 33.3 cm long and 0.77 kg with battery.
Typical applications
- Police and security patrols that need a full-size torch on charge in the vehicle between shifts.
- Fire and rescue crews searching large, dark spaces where a long-reaching beam matters.
- Utility and industrial maintenance in plant rooms, substations and tunnels.
- Roadside assistance and vehicle inspection, where a torch must stay to hand throughout a shift.
Technical specifications
| Light output, High | 450 lumens / 70,000 candela / 529 m beam distance / 3.25 hrs |
| Light output, Medium | 225 lumens / 35,000 candela / 374 m beam distance / 5 hrs |
| Light output, Low | 60 lumens / 9,000 candela / 189 m beam distance / 20 hrs |
| Light output, 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 | Fully recharges within 9 hours |
| Body | Machined aircraft-grade aluminum with Type II anodized finish |
| Lens | O-ring sealed unbreakable polycarbonate lens with scratch-resistant coating |
| Ingress protection | IPX4 water-resistant |
| Impact resistance | 1m impact resistance tested |
| Length | 33.3 cm (13.1 in) |
| Diameter | Major diameter 6.35 cm (2.50 in), body diameter 3.81 cm (1.50 in) |
| Weight | 0.77 kg (1.7 lbs) with battery |
In the box
- 1 × SL-20L - 230V AC/12V DC - 2 Sleeves
- 2 × Charge sleeves
Model information
| Brand | Streamlight |
| Model | SL-20L - 230V AC/12V DC - 2 Sleeves |
| MPN | 20705 |



