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Small rectangular lithium battery pack with flat silver finish measuring 44.5 by 23.0 by 10.5 millimetres

Estry

Estry FT902536P 3.7V 800mAh standard battery

SKU CH-G4J7-2SCV7

Replacement lithium battery for ROG Spatha RF, Spatha X and Gladius II mice with 3.7V 800mAh capacity and built-in protection circuits

  • TypeBatteries
  • Battery Pack1-pack
  • Battery TypeLithium
  • Battery Capacity800mAh
  • Battery Voltage3.7
  • Exact-fit replacement for ROG Spatha RF, Spatha X and Gladius II
  • 800mAh capacity at 3.7V delivers 2.96Wh of reliable runtime
  • Built-in overcharge, over-discharge, over-voltage and short-circuit protection
  • Certified to ISO9001, RoHS, CE, UN38.3 and MSDS standards
  • Compact 44.5 x 23.0 x 10.5mm design weighs just 43.0g

Replacement battery for ROG mice

The Estry FT902536P is a 3.7V 800mAh lithium cell built to match the original specifications for the ROG Spatha RF, ROG Spatha X and ROG Gladius II. It delivers 2.96Wh of capacity in a single pack and carries ISO9001, RoHS, CE, UN38.3 and MSDS certifications for safety and quality assurance.

Protection circuitry and compliance

Integrated overcharge, over-discharge, over-voltage and short-circuit protection helps extend usable life and guards against common failure modes. The RoHS approval confirms the cell is free from restricted hazardous substances, while the CE and ISO9001 marks indicate adherence to recognised quality and safety standards.

Direct fit with simple swap

The pack measures 44.5 x 23.0 x 10.5mm and weighs 43.0g, matching the factory footprint so it seats without modification. Installation is a straightforward case opening and connector swap; the main risk is ordering the wrong part, so verify the FT902536P part number against your mouse before purchase.

Highlights

  • Exact-fit replacement for ROG Spatha RF, Spatha X and Gladius II
  • 800mAh capacity at 3.7V delivers 2.96Wh of reliable runtime
  • Built-in overcharge, over-discharge, over-voltage and short-circuit protection
  • Certified to ISO9001, RoHS, CE, UN38.3 and MSDS standards
  • Compact 44.5 x 23.0 x 10.5mm design weighs just 43.0g

Specifications

Brandas
TypeBatteries
Battery Pack1-pack
Battery TypeLithium
Battery Capacity800mAh
Battery Voltage3.7

Questions about this item

How often will the FT902536P lithium cell need replacement under normal use?

The 800 mAh lithium pack is rated for hundreds of charge cycles; replace it when run-time drops below your needs.

What capacity limit appears first during extended gaming sessions?

The 800 mAh / 2.96 Wh capacity determines how long the mouse runs before a recharge is required.

Does the 43 g battery generate noticeable heat during all-day operation?

Normal use produces only mild warmth; the built-in protection circuit prevents overheating.

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