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Wisdom KL4MS High quality mining headlamps
| Version | Standard version (ATEX) | Long version | Super Long version |
| Rated capacity | 5200 mAh | 5200 mAh | 5200 mAh |
| Rated voltage | 3.7 V | ||
| Continuous discharging time | 13 H | 16 H | 24 H |
| Main light LED working voltage | 3.0 V | ||
| Main light LED working current | 450 mA | 380 mA | 250 mA |
| Main light power | 1.35 W | 1.14 W | 0.75 W |
| Main light luminous flux | 246 lm | 229 lm | 150 lm |
| Lamp lighting degree initial lighting degree in 1 m | 13000 lux | 11000 lux | 8000 lux |
| Main light life span | 100000 h | ||
| Auxiliary light power | 0.4 W | ||
| Auxiliary light life span | 40000 h | ||
| Short circuit protection time | < 320 μs | ||
| Life span of the battery (Recharges) | 1200 cycles (In reasonable working condition) | ||
| Charging time | 5 h | 4 h | 4 h |
| Dimensions | 85x94x36mm | ||
| Weight | 415/440G | ||
