Shark FA200 7.4V Replacement Battery FA200-2S2P 4000mAh
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Shark FA200 7.4V Replacement Battery FA200-2S2P 4000mAh - is backordered and will ship as soon as it is back in stock.
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Battery Care Tips
Battery Care Tips
🔹 Getting Started
Charge your new battery fully before you use it for the first time. Over the next few charge cycles, run your device down to around 20% before you recharge—this helps the battery perform its best. After that, charge whenever you need to.
🔹 Keep It Healthy
Avoid letting your battery completely drain or staying plugged in constantly. Both extremes wear it out faster. Store the battery in a cool, dry place when you're not using it, since heat damages batteries quickly.
Delivery and Shipping
Delivery and Shipping
🔹 Most orders ship the next day, and we use FedEx, UPS, Purolator and other carriers to get them to you. Lithium batteries have to ship by ground only, not air or USPS. Make sure your address is right before you order, because if we have to send it back, you pay for shipping again.
Disclaimer
Disclaimer
⚠️ Disclaimer: All product names, trademarks, and registered trademarks belong to their respective owners.
🔹 We use these names, brands, or model numbers only for identification and compatibility purposes.
Shark FA200 7.4V Replacement Battery FA200-2S2P 4000mAh - is backordered and will ship as soon as it is back in stock.
Voltage
7.4V
Amp
4000mAh
Shark FA200 / FlexBreeze Fan — 7.4V Li-ion Replacement Battery (FA200-2S2P)
This is a 7.4V, 4000mAh Li-ion replacement battery for the Shark FA200 and FlexBreeze portable fan. It uses OEM part number FA200-2S2P and slots directly into the fan's battery bay. When the original pack no longer holds a charge, this swap restores full cordless operation.
- FA200 and FlexBreeze compatibility: Both models run the same 7.4V two-cell architecture with an identical battery bay and connector. The BMS handshake is shared across the range, so one replacement pack covers all FA200-series fans.
- Bench tested on actual hardware: We cycled this pack through full charge and discharge on the FA200 platform. The BMS engaged correctly at both the low-voltage cutoff and the thermal limit — no false trips, no charge refusal from the charger circuit.
- First-cycle conditioning on the FA200: Run the fan at medium speed for the first charge cycle. Maximum speed pulls peak current from an uncalibrated cell and can cause the BMS to lock in conservative capacity limits that persist until the cell is properly conditioned.
Fan speed dropping before the low-battery indicator triggers
The FA200's motor controller reads speed demand, not cell voltage directly. When an aged or deeply discharged cell sags under the motor's current draw, voltage drops below the drive threshold before the indicator circuit registers it as low. The fan slows visibly while the LED still shows partial charge. This is voltage sag under load — not a fault with the replacement pack. A fresh, fully charged FA200-2S2P cell holds stable voltage across the motor's operating range and eliminates the premature drop.
New battery installed but fan won't reach maximum speed
Maximum speed on the FA200 requires the motor controller to confirm the pack is above a minimum voltage threshold before unlocking the top drive level. A new pack shipped in storage mode or partially discharged may sit just below that threshold. Charge the battery to 100% before the first run — the charger LED turning solid green confirms full charge at approximately 8.4V. Once the pack reads above the threshold, the fan's maximum speed setting becomes available immediately.
Compatible Models
Replaces Part Numbers
Technical Specifications
Product Highlights
- Brand: Shark
- Manufacturer: CS
- Series: Standard
- Color: Black
- Product Type: Li-ion
- Battery Type: Li-ion
- Warranty: 12 Months
- Bulk Orders: sales@batteryweb.com
Frequently Asked Questions
My Shark FA200 fan slows down on high speed but the battery indicator still shows green — what's happening?
This is voltage sag. High speed draws peak current from the cell, and if the pack is older or partially degraded, the cell voltage drops under that load before the indicator circuit catches it. The LED reads resting voltage, not load voltage, so it stays green while the motor slows. A replacement FA200-2S2P pack with healthy cells holds voltage steady under the high-speed draw — charge it fully to 8.4V before the first run.
The fan motor sounds rough or uneven when the battery is almost flat — is this a motor fault?
It's not the motor. At low cell voltage, the motor controller can't maintain consistent commutation timing, so the motor runs irregularly and sounds noticeably noisier or stuttery. This is the drive circuit struggling under voltage sag, not a mechanical problem with the fan itself. Swap in a charged FA200-2S2P pack and the noise stops — if it doesn't, then investigate the motor separately.
My FA200 battery drains much faster on the highest speed setting than it used to — is the new pack faulty?
High speed legitimately draws three to four times more current than low speed, so shorter runtime at maximum is expected behaviour, not a fault. If it feels significantly worse than when the original pack was new, check whether the first charge cycle was run at maximum speed — this can cause the BMS to set a conservative capacity ceiling. Run two full charge and medium-speed discharge cycles to allow the BMS to recalibrate its capacity window before drawing conclusions.
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