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
Flat rectangular lithium battery pack, 85.1 by 19.2 by 7.2 millimetres, dark casing

Estry

Estry YR0073 MX KEYS battery 1500mAh 3.7V

SKU CH-VNDD-N84R6 MPN YR0073

Replacement lithium battery for YR0073 MX KEYS with 1500mAh capacity and 3.7V output

  • TypeBatteries
  • Battery Pack1-pack
  • Battery TypeLithium
  • Battery Capacity1500mAh
  • Battery Voltage3.7
  • Exact-fit replacement for Logitech MX Keys restores original runtime
  • 1500 mAh lithium cell delivers 5.55 Wh of reliable power
  • Built-in protection guards against overcharge over-discharge and short circuit
  • Certified to ISO 9001 RoHS CE UN 38.3 and MSDS standards
  • Slim 85.1 x 19.2 x 7.2 mm pack weighs just 77.0 g

Direct replacement for MX KEYS

The Estry YR0073 is a lithium-ion battery built to match the original specifications for the MX KEYS keyboard. It delivers a capacity of 1500mAh at 3.7V for reliable wireless operation. The pack includes a single cell measuring 85.1 x 19.2 x 7.2mm and weighing 77.0g. It is certified under ISO9001, RoHS, CE, UN38.3 and MSDS.

Consistent output through the discharge cycle

Built-in protection circuits guard against overcharge, over-discharge, over-voltage and short-circuit events during extended use. This design helps the cell maintain stable voltage as capacity depletes, avoiding sudden drops that could interrupt typing sessions. Each unit undergoes strict specification detection and use testing before shipment to verify safe and durable performance over time.

Limited to devices using the 533-000177 part

This battery only fits hardware that accepts the exact 533-000177 form factor and connector layout. It will not work with keyboards or other devices that require a different pin arrangement, voltage level or physical dimensions. Buyers needing a higher capacity cell or a different voltage must look for a pack specifically engineered for their model.

Highlights

  • Exact-fit replacement for Logitech MX Keys restores original runtime
  • 1500 mAh lithium cell delivers 5.55 Wh of reliable power
  • Built-in protection guards against overcharge over-discharge and short circuit
  • Certified to ISO 9001 RoHS CE UN 38.3 and MSDS standards
  • Slim 85.1 x 19.2 x 7.2 mm pack weighs just 77.0 g

Specifications

TypeBatteries
Battery Pack1-pack
Battery TypeLithium
Battery Capacity1500mAh
Battery Voltage3.7

Questions about this item

How much heat does the 3.7V 1500mAh pack generate during all-day use?

The lithium cell includes overcharge, over-discharge, over-voltage and short-circuit protection, which keeps temperatures stable under normal daily loads.

What must I already own for this YR0073 replacement to work?

You need a Logitech MX KEYS keyboard that accepts part number 533-000177; the pack is a direct drop-in for that model.

Will the 85.1 x 19.2 x 7.2 mm pack fit alongside the original MX KEYS charging circuit?

Yes, it matches the factory dimensions and 3.7V specification, so the existing charging board recognises and manages it normally.

Also in this aisle

People compared these

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