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Rectangular green power-tool battery pack with yellow label

Estry

Estry K18-NB15A 18.0V 2500mAh standard battery

SKU CH-NAR7-480S1 MPN K18-NB15A

18.0V 2500mAh Ni-MH replacement battery for Kobalt K18-NB15A tools, 45.0Wh with overcharge and short-circuit protection

  • Battery pack size1 Year
  • Details18
  • Direct replacement for Kobalt K18-NB15A and part 0005667
  • 0V Ni-MH chemistry delivers 2500mAh capacity for longer run-time
  • Overcharge, over-discharge, over-voltage and short-circuit protection built in
  • Certified to ISO9001, RoHS, CE, UN38.3 and MSDS standards
  • Compact 146.3 x 79.86 x 70.1mm pack weighs 1175.0g

Replacement Battery for Kobalt Tools

This Estry K18-NB15A battery replaces the original Kobalt 0005667 pack. It delivers 18.0V and 2500mAh capacity using Ni-MH chemistry. The unit weighs 1175.0g and measures 146.3 x 79.86 x 70.1mm.

Suitable for Owners of Compatible Kobalt Equipment

Users with tools or chargers that accept the K18-NB15A part number will find a direct fit. Buyers who need a different voltage, a higher capacity, or a lithium chemistry should look elsewhere.

Voltage and Capacity Determine Compatibility

The 18.0V rating and 2500mAh capacity must match the device requirements exactly. Certified to ISO9001, RoHS, CE, UN38.3 and MSDS standards, the pack includes overcharge, over-discharge, over-voltage and short-circuit protection.

How it compares

Measured against everything we stock in Household Batteries & Chargers, at today’s prices. Recalculated every night.

Price $71.99
Pricier than about 91% of the 10,440 comparable items (median $10.99).

Specifications

Product
Brand nameNi-MH
Model name2,500 mAh
In the box
Battery pack size1 Year

Questions about this item

What are the exact dimensions of this 18.0V battery so I can check it fits my tool?

The pack measures 146.3 mm long, 79.86 mm wide and 70.1 mm deep, weighing 1175.0 g.

How do I install the K18-NB15A replacement and what step is often missed?

Slide the pack into the tool until the latch clicks; the step people miss is confirming the original part number 0005667 matches before fitting.

When will the 2500mAh Ni-MH cells need replacing and how do I maintain them?

Expect roughly one year of regular use; store at partial charge in a cool place and avoid full discharge to maximise cycle life.

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