We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in

Estry

Estry OL-5810 3.6V 700mAh Ni-MH standard battery

SKU CH-EP6P-5KS2G MPN OL-5810

3.6V 700mAh Ni-MH replacement battery compatible with Olympia OL-5810, OL-5805 and OL-5815 models

  • Specifications3.6
  • Battery Pack1 Year
  • Exact-fit replacement for Olympia OL-5810, OL5805 and OL-5815 handsets
  • 6 V 700 mAh Ni-MH chemistry delivers 2.52 Wh of talk time
  • Built-in overcharge, over-discharge, over-voltage and short-circuit protection
  • Certified to ISO 9001, RoHS, CE, UN 38.3 and MSDS standards
  • Compact 45.6 × 31.3 × 10.6 mm pack weighs 61.0 g

Replacement for Olympus recorders

The Estry OL-5810 is a nickel-metal hydride battery built to match the original specifications for Olympus voice recorders. It fits models OL-5810, OL5805 and OL-5815 as a direct replacement cell. The pack delivers 3.6 volts and 700 milliampere-hours of capacity for reliable operation.

700 mAh capacity and typical runtime

At 700 mAh the cell provides 2.52 watt-hours of energy, which is sufficient for extended dictation sessions and standby periods. Heavy continuous recording will deplete the charge faster, requiring a recharge before the next long session. The battery includes overcharge, over-discharge, over-voltage and short-circuit protection to preserve cycle life.

Proprietary form factor limits use

The pack measures 45.6 by 31.3 by 10.6 millimetres and weighs 61.0 grams, a shape designed only for the listed Olympus devices. It cannot be used in equipment that requires a different voltage, connector layout or physical envelope. Buyers needing a standard AA or AAA cell, or a higher-capacity pack for other hardware, should look elsewhere.

Highlights

  • Exact-fit replacement for Olympia OL-5810, OL5805 and OL-5815 handsets
  • 6 V 700 mAh Ni-MH chemistry delivers 2.52 Wh of talk time
  • Built-in overcharge, over-discharge, over-voltage and short-circuit protection
  • Certified to ISO 9001, RoHS, CE, UN 38.3 and MSDS standards
  • Compact 45.6 × 31.3 × 10.6 mm pack weighs 61.0 g

Specifications

BrandNi-MH
Model700mAh
Specifications3.6
Battery Pack1 Year

Questions about this item

Will the 45.6 x 31.3 x 10.6 mm Estry OL-5810 fit the battery compartment of my older Olympia OL-5805 handset?

Yes, the replacement is built to the original dimensions and voltage so it sits in the same compartment and connects to the existing contacts without modification.

How can I verify the 3.6 V 700 mAh pack is performing correctly after the first charge?

A full charge should deliver about 2.52 Wh; if the handset reaches its normal talk and standby times the pack is working as intended.

Does the box include a charging cradle or only the 61.0 g Ni-MH cell?

Only the battery cell is supplied; a compatible charger or handset dock must be provided separately.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.