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Three rectangular lithium-ion camera batteries in a pack

Kastar

Kastar MX990 3-Pack Li-Ion 3.7V 1900mAh camera battery

SKU CH-TF1T-5ED38

Three-pack of 3.7 V 1900 mAh lithium-ion batteries compatible with Listen LA-365 and LR-5200-072 headsets

  • TypeBattery
  • Pack3 Batteries
  • ChemicalLi-Ion
  • Capacity7.03 Wh
  • Dimensions3*2*3 Inch
  • FeaturesHigh Capacity and Manufacture Price.
  • Three-pack extends shooting sessions with 1900 mAh cells
  • 7 V lithium-ion chemistry delivers steady voltage for cameras
  • UL1642 and CE certified cells add over-charge and over-heat protection
  • Replaces NEC 0910052, 0910092, DT330 and UX5000 batteries
  • Also powers Listen LA-365, LR-5200-072 and M1 microphone units

Three-Pack Replacement Battery

The Kastar MX990 bundle supplies three lithium-ion cells rated at 3.7 V and 1900 mAh each, delivering 7.03 Wh per unit. They are built as direct replacements for the original NEC 0910052 and 0910092 packs used in several Listen headsets and the NEC DT330 and UX5000 DG-12e devices.

Safety Circuit and Cycle Life

Every cell includes an integrated protection circuit that guards against over-charge, over-discharge, over-voltage, over-current and over-heating. The packs meet UL1642 and CE safety standards, and the supplier states that the longer run time and protection features improve overall cycle life compared with lower-quality alternatives.

Capacity and Device Coverage

The 1900 mAh capacity supports extended talk and standby periods for the Listen iDSP RF Receiver LR-5200-072, the Point M1 Microphone and the Media Interface M1. The three-pack format covers multi-unit deployments or provides ready spares, but it does not address devices that require higher voltage or different form-factor batteries.

Highlights

  • Three-pack extends shooting sessions with 1900 mAh cells
  • 7 V lithium-ion chemistry delivers steady voltage for cameras
  • UL1642 and CE certified cells add over-charge and over-heat protection
  • Replaces NEC 0910052, 0910092, DT330 and UX5000 batteries
  • Also powers Listen LA-365, LR-5200-072 and M1 microphone units

Specifications

BrandKastar
ModelMX990
Part NumberBA-3B-MX990-E
TypeBattery
Pack3 Batteries
ChemicalLi-Ion
Capacity7.03 Wh
Dimensions3*2*3 Inch
FeaturesHigh Capacity and Manufacture Price.

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Questions about this item

How many charge cycles can the 1900mAh lithium-ion cells deliver before capacity drops noticeably?

The cells are built to UL1642 and CE standards with protection against over-charge, over-discharge, over-voltage, over-current and over-heating, which together extend usable cycle life.

What stops the pack from running indefinitely during a full-day shoot?

Each pack holds 7.03 Wh at 3.7 V, so runtime is limited by that capacity and the camera's power draw.

Do the batteries get hot or make noise when powering a Listen iDSP RF receiver all day?

Lithium-ion chemistry runs silently; the built-in over-heating protection circuit keeps temperature in check during continuous use.

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