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Two rectangular Kastar NP-120 lithium-ion batteries side by side

Kastar

Kastar NP-120 2-Pack Li-Ion Battery for Fieldpiece RLB2 SCL2 SRL2 SRL8 2300mAh 3.7V 8.51Wh

SKU CH-D0AE-Z51D3

Two-pack of 3.7 V lithium-ion cells delivering 2300 mAh each for Fieldpiece SCL2, SRL2 and SRL8 leak detectors

  • TypeBattery
  • Pack2 Batteries
  • ChemicalLi-Ion
  • Capacity8.51 Wh
  • Dimensions3*2*2 Inch
  • FeaturesHigh Capacity and Manufacture Price.
  • Two-pack keeps leak detectors running longer with 2300 mAh per cell
  • 7 V lithium-ion chemistry matches original Fieldpiece RLB2 specification
  • Built-in protection circuit guards against over-charge, over-discharge, over-voltage, over-current and over-heating
  • Cells meet UL 1642 and CE safety standards for reliable replacement
  • Compatible with Fieldpiece SCL2, SRL2 and SRL8 leak detector models

Kastar NP-120 Replacement Battery Pack

This two-pack of lithium-ion cells replaces the Fieldpiece RLB2 battery used in SCL2, SRL2 and SRL8 leak detectors. Each unit delivers 3.7 volts and 2300 milliampere-hours for 8.51 watt-hours of capacity. Built-in protection circuits guard against over-charge, over-discharge, over-voltage, over-current and over-heating. The cells meet UL1642 and CE safety standards.

Suits technicians who service Fieldpiece leak

Field service engineers carrying SCL2, SRL2 or SRL8 instruments gain a ready spare without waiting for an original part. Buyers who need a different voltage, a higher capacity or a form factor that fits another brand of detector should look elsewhere. The pack contains exactly two batteries and no charger.

Steady output during long detection runs

Under continuous use the protection circuitry maintains stable voltage while preventing thermal stress. The 8.51 Wh rating reflects sustained energy delivery rather than a brief peak. Cycle life benefits from the over-charge and over-discharge safeguards during repeated field deployments.

Highlights

  • Two-pack keeps leak detectors running longer with 2300 mAh per cell
  • 7 V lithium-ion chemistry matches original Fieldpiece RLB2 specification
  • Built-in protection circuit guards against over-charge, over-discharge, over-voltage, over-current and over-heating
  • Cells meet UL 1642 and CE safety standards for reliable replacement
  • Compatible with Fieldpiece SCL2, SRL2 and SRL8 leak detector models

Specifications

BrandKastar
ModelNP-120
Part NumberBA-2B-Q120-C
TypeBattery
Pack2 Batteries
ChemicalLi-Ion
Capacity8.51 Wh
Dimensions3*2*2 Inch
FeaturesHigh Capacity and Manufacture Price.

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Questions about this item

Which Fieldpiece leak-detector models accept the NP-120 pack as a direct replacement for the RLB2 cell?

The NP-120 pack replaces the RLB2 in the SCL2, SRL2, SRL2 Leak Detectors, SRL8 and SRL8 Leak Detectors.

Will the 3.7 V lithium-ion chemistry of the NP-120 operate safely in detectors that originally shipped with the RLB2?

Yes, the 3.7 V cells meet UL1642 and CE standards and include over-charge, over-discharge, over-voltage, over-current and over-heating protection.

How can I confirm the NP-120 batteries are delivering their rated 2300 mAh capacity after the first charge?

Run the detector until it signals low battery; a full cycle should match the 8.51 Wh rating under normal use.

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