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Rectangular lithium battery pack, dark grey plastic casing, labelled 1000mAh 3.7V

Estry

Estry VX-2E Standard Battery 1000mAh 3.7V

SKU CH-DW57-5B337 MPN VX-2E

Lithium-ion replacement battery for Yaesu VX-2E and compatible radios, 1000mAh at 3.7V

  • TypeBatteries
  • Battery Pack1-pack
  • Battery TypeLithium
  • Battery Capacity1000mAh
  • Battery Voltage3.7
  • Replaces original FNB-82LI battery in compatible Yaesu radios
  • 1000 mAh lithium cell delivers 3.7 V operating voltage
  • Overcharge, over-discharge, over-voltage and short-circuit protection built in
  • Certified to ISO 9001, RoHS, CE, UN38.3 and MSDS standards
  • Compact 53.2 x 35.3 x 7.1 mm pack weighs 49.0 g

Replacement Battery for Yaesu Radios

This lithium-ion pack replaces the FNB-82LI cell used in Yaesu VX-2E, VX-1, VX-2, VX-3, VR-160 and VX-2R handheld transceivers. It delivers a nominal 3.7 V and 1000 mAh capacity in a single-unit pack. The battery is built to match the original dimensions of 53.2 x 35.3 x 7.1 mm and weighs 49.0 g. It suits operators who need a direct-fit spare for field or bench use.

Thermal and Power Behaviour in Normal Use

The cell operates at 3.7 V with a rated 3.89 Wh energy content and includes over-charge, over-discharge, over-voltage and short-circuit protection circuits. In typical receive and low-power transmit cycles the pack runs cool and the protection logic prevents damage from accidental misuse. No active cooling is required and the unit is certified to ISO 9001, RoHS, CE, UN 38.3 and MSDS standards.

Sustained Load Performance

During extended transmit periods the 1050 mAh tested capacity supports longer duty cycles than the rated 1000 mAh figure suggests. The integrated protection maintains stable voltage delivery until the safe cut-off point, avoiding sudden voltage sag. Users who require multi-day operation without recharge should plan for additional packs.

Highlights

  • Replaces original FNB-82LI battery in compatible Yaesu radios
  • 1000 mAh lithium cell delivers 3.7 V operating voltage
  • Overcharge, over-discharge, over-voltage and short-circuit protection built in
  • Certified to ISO 9001, RoHS, CE, UN38.3 and MSDS standards
  • Compact 53.2 x 35.3 x 7.1 mm pack weighs 49.0 g

Specifications

BrandYAESU
TypeBatteries
Battery Pack1-pack
Battery TypeLithium
Battery Capacity1000mAh
Battery Voltage3.7

Questions about this item

How do I install this battery in my VX-2E, and what step is often missed?

Power off the radio, open the battery latch, slide the 53.2 x 35.3 x 7.1 mm pack in until the latch clicks, then charge fully before first use; the step often missed is that initial full charge.

What maintenance or replacement will this 1050mAh lithium pack need over time?

Lithium packs require no scheduled maintenance; expect gradual capacity fade over hundreds of cycles, so replace the pack when operating time on a full charge becomes too short for your needs.

What limit appears first during a long transmit session with this 3.7 V battery?

The 3.89 Wh capacity and built-in over-discharge protection will cut output when voltage drops too low, ending the session before the cells overheat.

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