ItemOracle

Replacement 40V Kobalt Battery 6.5Ah with Fuel Gauge

FSKE ★ 3.4/5 · ItemOracle Score Mid-Range

$70 USD
Price subject to change
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Replacement for Kobalt 40V Battery 6.5Ah Lithium ion KB540-06 KB440-06 KB640-03 with Fuel Gauge - Compatible with 40V Kobalt Battery Power Tools

FSKE 6.5Ah replacement battery for 40V Kobalt tools with fuel gauge and 4 LED indicators. Enables compatible power tools and chargers; reports longer runtime after recharge and mixed fit feedback from customers

Highlights

  • fuel gauge with 25% increments
  • high-discharge-capacity battery
  • low self-discharge

Pros

  • 6.5Ah capacity
  • fuel gauge with 4 LED indicators
  • compatible with 40V Kobalt tools and chargers
  • low self-discharge
  • uses EVE A+ grade cells

Cons

  • mixed feedback on fit compatibility

Best For

  • powering 40V Kobalt tools
  • replacing worn battery for compatible tools
  • tools with 40V battery compatibility
  • charging with KRC 60-06 / KRC 40-06 / KRC 840-03 chargers
  • extended use between recharges

Features

  • 6.5Ah capacity with EVE A+ grade cells for dependable power
  • Discharge life over 1000 cycles with 1% self-discharge rate
  • Compatible with all 40V Kobalt tools and chargers
  • Kobalt 40V compatibility with KRC 60-06, KRC 40-06, KRC 840-03 chargers
  • 4-LED fuel indicators show remaining battery power and runtime

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