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Rectangular silver lithium-ion battery pack with label showing 4000mAh 25.2V

ALSEYE

ALSEYE 2 in 1 Accessory Battery 4000MAH 25.2V FW201100MY S7-03

SKU CH-N6WF-6FY6X

Replacement Li-ion battery for Floor ONE S7 PRO, 4000 mAh at 25.2 V delivering 100.8 Wh

  • 8 Wh capacity powers longer cleaning sessions
  • 4000 mAh lithium-ion cell delivers stable current
  • 2 V matches original Floor ONE S7 PRO specifications
  • Replaces part numbers FW201100MY and S7-03 directly
  • Rigorously tested for circuit protection and low self-discharge

Replacement Battery for Floor ONE S7 PRO

This 4000mAh lithium-ion pack delivers 100.8Wh at 25.2V and matches part numbers FW201100MY and S7-03. It is built for owners of the Floor ONE S7 PRO who need a fresh power source to restore full run time.

Tested Cells with Circuit Protection

Every unit is checked for correct voltage, stable current, low self-discharge and built-in circuit protection. The pack slots into the cleaner’s existing battery bay using the original connectors, so no tools or wiring changes are required.

Direct Swap for a Worn Original

The battery replaces the factory pack when capacity has faded or the device no longer holds a charge. The upgrade is worth it when the cleaner cuts out early or run time has dropped noticeably below the original specification.

How it compares

Measured against everything we stock in 2-in-1 Device Accessories, at today’s prices. Recalculated every night.

Price $57.99
Typical for this category: the median of 7,473 items is $56.99.

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Specifications

No published specifications for this item yet.

Questions about this item

What voltage does the 25.2V battery deliver to the Floor ONE S7 PRO?

The battery supplies 25.2V at 4000mAh, matching the original FW201100MY specification for the Floor ONE S7 PRO.

Does the FW201100MY battery match the physical slot and latch of the Floor ONE S7 PRO?

Yes, the replacement part number FW201100MY / S7-03 is built to the same form factor and latch points as the factory pack for the Floor ONE S7 PRO.

How do I install the S7-03 battery and what step do users often miss?

Slide the pack into the compartment until the latch clicks, then press the power button for 3 seconds to wake the BMS before first use.

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