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Wisdom NWB-20 Charger for KL Series Lamps

The NWB-20 is a portable charger specifically designed for Wisdom KL series lamps with LiIon batteries.

Recommended for KL4MS, KL5M and KL5MS Wisdom KL cap lamps; as well as the full range of ATEX GII and ATEX M1 Wisdom KL lamps.

The charges uses the industry-standard and very robust 'keyway' charging pin, which is inserted into the lamp head and secured with a half turn.

Charging is indicated by a simple LED indicator; red for charging, green for fully charged. The charger correctly conditions the lamp battery and automatically switches off at the end of the charge sequence, preventing over charging and allowing the battery to be topped up safely and at any time.

For the (non-ATEX) KL8M, KL8MS, KL12M and KL12MS we recommend the faster NWB-25A charger.

AC input only.
SKU: NWB-20
Manufacturer: Wisdom
£25.00 incl VAT
  • Lamp capacity: 1
  • Supply voltage: 100-240V AC ±10% 50-60Hz 12W single phase
  • Output voltage: 4.2V
  • Output current: 2,000mA
  • Width: 116mm
  • Depth: 76mm
  • Height: 56mm
  • Weight: 215g
  • KL5M: 6.5 hours
  • KL8M: 8.5 hours
  • KL4MS: 4.5 hours
  • KL5MS: 6.5 hours
  • KL8MS: 8.5 hours
  • KL4MS ATEX Group II: 4.5 hours
  • KL5MS ATEX Group II: 6.5 hours
  • KL8MS ATEX Group II: 8.5 hours
  • KL12MS ATEX Group II: 10 hours
  • KL5M ATEX M1: 6.5 hours
  • KL8M ATEX M1: 8.5 hours
  • KL12M ATEX M1: 10 hours
  • KL5M MHSA: 6.5 hours

Note: charging times are only displayed for compatible lamps, if a lamp does not show in the list above it is not compatible with this charger model.

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Products specifications
Lamp capacity 1
Suitability Wisdom KL4MS, KL5M and KL5MS Lamps (including ALL ATEX GII and ATEX M1 KL lamps)
Type Standard Charger
Supply voltage 100-240V AC ±10% 50-60Hz 12W single phase
Output voltage 4.2V DC per charge port
Output current 2,000mA per charge port
Width 116mm
Depth 76mm
Height 56mm
Weight 215g