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Rectangular lithium battery pack, dark grey plastic, 94 by 57.8 by 35.56 mm, 208.5 g

Estry

Estry ID-31E standard battery 7.4V 3300mAh BP-307

SKU CH-1XZM-EPRD8 MPN ID-31E

Lithium-ion replacement pack delivering 7.4V and 3300mAh for Icom ID-31E, ID-51E, ID-52E, IC-705, IP-100H, IP-501H and IP-503H radios

  • TypeBatteries
  • Battery Pack1-pack
  • Battery TypeLithium
  • Battery Capacity3000mAh
  • Battery Voltage7.4
  • Exact-fit replacement for Icom radios including ID-31E and IC-705
  • 3300 mAh lithium cell delivers 24.42 Wh for extended operating time
  • Built-in overcharge, over-discharge and short-circuit protection safeguards the pack
  • Certified to ISO 9001, RoHS, CE and UN 38.3 for safety and quality
  • Compact 94.0 × 57.8 × 35.56 mm design weighs only 208.5 g

Replacement battery for Icom radios

The Estry ID-31E is a lithium-ion pack built to match the original BP-307 specifications. It suits owners of the ID-31E, ID-51E, ID-52E, IC-705, IP-100H, IP-501H and IP-503H who need a fresh power source for daily operation.

No extra accessories change the use case

The package contains only the single battery cell. There is no charger, cable or mounting hardware included, so users must rely on their existing desktop charger or radio-side charging circuit to replenish the pack.

Slim profile fits existing battery compartments

At 94.0 by 57.8 by 35.56 millimetres and 208.5 grams, the pack slides into the same slot as the factory unit without forcing the latch. The 7.4 V, 3300 mAh rating delivers 24.42 Wh of capacity, and the built-in protection circuit guards against overcharge, over-discharge, over-voltage and short circuits.

Highlights

  • Exact-fit replacement for Icom radios including ID-31E and IC-705
  • 3300 mAh lithium cell delivers 24.42 Wh for extended operating time
  • Built-in overcharge, over-discharge and short-circuit protection safeguards the pack
  • Certified to ISO 9001, RoHS, CE and UN 38.3 for safety and quality
  • Compact 94.0 × 57.8 × 35.56 mm design weighs only 208.5 g

Specifications

BrandIcom
TypeBatteries
Battery Pack1-pack
Battery TypeLithium
Battery Capacity3000mAh
Battery Voltage7.4

Questions about this item

When should I replace the BP-307 pack?

Replace the BP-307 when run-time drops well below the rated 3300 mAh at 7.4 V, typically after several hundred full charge cycles.

What limits continuous transmit time?

The 3300 mAh capacity at 7.4 V sets the energy budget; sustained high-power TX will deplete the pack faster than receive or standby.

Does the pack get hot during all-day use?

Normal operation stays cool; the built-in protection stops charging or discharging if temperature exceeds safe limits.

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