vs
Lupine Piko U4
Serfas TSL-S500
Top 15%3,785 points
Top 15%
Top 51%2,184 points
Top 51%
Lupine Piko U4
Serfas TSL-S500
Top specs, facts and figures

Lupine Piko U4 vs Serfas TSL-S500: 24 facts in comparison

1. brightness (high mode)

The light is more intense on high mode. The amount of light emitted is measured in lumens.
1200lm
Lupine Betty R 7: 4500lm
500lm

2. Weather sealed

Device is protected with extra seals to prevent failures due to any kind of weather.
Lupine Piko U4
Serfas TSL-S500
88% have it

3. runtime (high mode)

The amount of time the light will last from a full charge when on high mode. High mode is a steady light mode at the highest intensity.
2h
DiNotte XML-1: 5h
1.75h

4. charge time

The time it takes to fully charge the battery.
3h
Moon X Power 1300: 2.5h
4h

5. has a battery level indicator

An indicator shows you when the device has low battery.
Lupine Piko U4
Serfas TSL-S500
90% have it

6. runtime (low mode)

The amount of time the light will last from a full charge when on low mode. Low mode is a steady light mode at a low intensity.
58h
Lupine Piko 7: 116h
8h

7. weight

30g lighter.
180g
Serfas TSL-200: 50g
150g

8. lumens per gram

It emits more lumens of light per gram of weight.
6.66
Exposure Lights Equinox: 16.12
3.33

9. Has pulse mode

The light has a pulse mode. Pulse mode has the benefit of saving battery by slowly changing between a high and low-intensity light, while maintaining a steady light, which is less distracting.
Lupine Piko U4
Serfas TSL-S500
24% have it

10. runtime (mid mode)

The amount of time the light will last from a full charge when on mid mode. Mid mode is a steady light mode at a medium intensity.
5.75h
Lupine Piko 7: 12h
4h

11. brightness (mid mode)

The light is more intense on mid mode. The amount of light emitted is measured in lumens.
470lm
Lupine Betty R 7: 2400lm
200lm

12. Has SOS mode

The light has an SOS mode. This is used in emergency situations to attract attention.
Lupine Piko U4
Serfas TSL-S500
23% have it

13. has a rechargeable battery

The battery can be recharged and used over again.
Lupine Piko U4
Serfas TSL-S500
95% have it

14. warranty period

When covered under the manufacturer’s warranty it is possible to get a replacement in the case of a malfunction.
2
Exposure Lights Reflex Mk2: 2
1

15. Can be mounted on helmet

A helmet mounted light is more suitable for night-time mountain biking as the light follows your head around tight corners and bends.
Lupine Piko U4
Serfas TSL-S500
70% have it

16. Has side lights

It has extra lights on the side, helping to make the rider more visible.
Lupine Piko U4
Serfas TSL-S500
14% have it

17. Has tool-less mount

It has a tool-less mount, making it easier to put on and remove. This is particularly useful in big cities where crime is more prevalent.
Lupine Piko U4
Serfas TSL-S500
96% have it

18. runtime (flash mode)

The amount of time the light will last from a full charge when on flash/strobe mode. This mode quickly turns the light on and off, which has the benefit of saving battery.
2h
Lumicycle Apex: 120h
4.5h

19. All-in-one light

The bike light is an all-in-one. Some lights feature a separate battery that is connected to the light via a cable, but an all-in-one light is more compact and cable-free.
Lupine Piko U4
Serfas TSL-S500
58% have it

20. number of light modes

With more light modes you are more likely to find the perfect setting for any given situation, such as when you need the brightest light or when you need to conserve battery.
15
Lupine Piko U4: 15
5

21. Can be mounted on handlebars

Mounted to your handlebars, the light is more suitable for biking on roads.
Lupine Piko U4
Serfas TSL-S500
96% have it

22. battery power

43.48% more battery power.
3300mAh
Exposure Lights Six Pack Mk4: 14500mAh
2300mAh

23. brightness (low mode)

The light is more intense on low mode. The amount of light emitted is measured in lumens.
50lm
NiteRider Pro 3600 DIY: 1000lm
100lm

24. Has additional light for helmet

This bike light includes both a front and a rear helmet light. These lights have been shown to make the rider more visible and increase safety on the roads.
Lupine Piko U4
Serfas TSL-S500
3% have it

Top 10 bike lights

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