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Flat rectangular Li-Polymer battery, blue wrap, 32.2 by 17.2 by 4.72 mm

Estry

Estry G304 220mAh 3.7V standard battery

SKU CH-BKNT-JRNF4 MPN G304

Replacement lithium-polymer cell for compatible Logitech mice, 220 mAh at 3.7 V with built-in protection circuits

  • TypeRechargeable Batteries
  • Battery Capacity220mAh
  • Battery Voltage3.7
  • Drop-in replacement for G304, G502, G Pro Wireless, MX Vertical, G703 Lightspeed
  • 220 mAh 3.7 V Li-Polymer cell matches original 533-000151 specifications
  • Over-charge, over-discharge, over-voltage and short-circuit protection built in
  • Certified to ISO 9001, RoHS, CE, UN 38.3 and MSDS standards
  • Compact 32.2 × 17.2 × 4.72 mm design weighs 30.0 g

Direct replacement for Logitech mice

The Estry G304 is a 220 mAh 3.7 V lithium-polymer cell built to the original 533-000151 specifications. It fits the G304, G502, G Pro Wireless, MX Vertical and G703 Lightspeed models. Safety circuits guard against over-charge, over-discharge, over-voltage and short-circuit conditions. The pack carries ISO9001, RoHS, CE, UN38.3 and MSDS certifications.

Suits owners of the listed Logitech models

Users with a different mouse or a battery that does not match the 533-000151 part number should look elsewhere. The physical envelope of 32.2 x 17.2 x 4.72 mm and 30.0 g weight is fixed, so any device needing a larger or smaller cell will not accept this pack. Confirm the model and part number before ordering.

Steady output through a full gaming session

The 0.81 Wh capacity delivers consistent voltage under continuous wireless load rather than only in brief bursts. Protection circuitry maintains stable discharge without sudden cut-off, keeping the sensor and radio powered until the cell is properly depleted. Recharge cycles remain reliable because the same safeguards prevent deep-discharge damage during extended use.

Highlights

  • Drop-in replacement for G304, G502, G Pro Wireless, MX Vertical, G703 Lightspeed
  • 220 mAh 3.7 V Li-Polymer cell matches original 533-000151 specifications
  • Over-charge, over-discharge, over-voltage and short-circuit protection built in
  • Certified to ISO 9001, RoHS, CE, UN 38.3 and MSDS standards
  • Compact 32.2 × 17.2 × 4.72 mm design weighs 30.0 g

Specifications

BrandLogitech
TypeRechargeable Batteries
Battery Capacity220mAh
Battery Voltage3.7

Questions about this item

Which Logitech mouse models does this G304 220mAh 3.7V battery replace?

It replaces the original battery in the G304, G502, G Pro Wireless, MX Vertical and G703 Lightspeed models.

Will the original Logitech 533-000151 part number still fit if I keep the stock battery door?

Yes, the replacement matches the 533-000151 part number and the 32.2 x 17.2 x 4.72 mm dimensions, so the existing battery door closes normally.

How can I confirm the battery is working correctly after I install it?

The mouse should power on, show a stable charge indicator and run for a typical session without unexpected shutdowns.

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