Sencor SVC9031BK 14.4V Replacement Battery 3000mAh
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Sencor SVC9031BK 14.4V Replacement Battery 3000mAh - 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.
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Disclaimer
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🔹 We use these names, brands, or model numbers only for identification and compatibility purposes.
Sencor SVC9031BK 14.4V Replacement Battery 3000mAh - is backordered and will ship as soon as it is back in stock.
Voltage
14.4V
Amp
3000mAh
Sencor SVC9031BK — 14.4V Ni-MH Replacement Battery (YX-NI-022144-COR)
This is a 14.4V, 3000mAh Ni-MH replacement battery for the Sencor SVC9031BK cordless stick vacuum. It fits directly into the SVC9031BK and restores cordless cleaning operation when the original cell no longer holds a charge. Capacity figures are taken from the product data: 3000mAh, 43.2Wh.
- SVC9031BK motor voltage rail: The SVC9031BK draws across a 14.4V rail to spin the motor at cleaning speed. Swapping in a lower-rated or mismatched cell causes the motor to underperform from the first pass. This cell matches the original voltage and capacity, so the motor runs at its rated draw without pulling the BMS into protection mode prematurely.
- Bench tested on actual hardware: We cycled this cell through charge and discharge on a Ni-MH compatible charger, monitoring BMS response under sustained motor load. The protection circuit held stable during high-draw passes and released cleanly on rest — no spurious cutoffs recorded.
- Dock charging on the SVC9031BK: Do not leave this vacuum sitting on the charging dock continuously. Ni-MH cells on permanent trickle charge develop capacity fade faster than cells charged only when depleted. Charge to full, then remove from the dock.
Suction dropping before the battery indicator reaches low
The SVC9031BK motor pulls harder the moment airflow is restricted — a partially blocked filter or clogged inlet forces the motor to draw above its rated current. The BMS reads this spike as an overcurrent condition and reduces output voltage to protect the cell. The result feels like a dying battery, but the actual charge remaining is adequate. Clean the filter first, then check whether suction stabilises.
Motor cutting out mid-clean and then recovering after a short pause
This is a BMS overcurrent trip, not a failed battery. Sustained restricted suction — usually from a full dustbin or blocked post-motor filter — pushes current draw past the BMS threshold, and the circuit opens to protect the cell. After a brief rest, internal temperature drops, the BMS resets, and the motor starts again. Clear the restriction, then confirm the motor runs continuously at full suction. If trips continue after clearing the blockage, check the cell voltage at rest — it should read above 13.0V on a Ni-MH pack at this rating.
Compatible Models
Replaces Part Numbers
Technical Specifications
Product Highlights
- Brand: Sencor
- Manufacturer: CS
- Series: Standard
- Color: Green
- Product Type: Ni-MH
- Battery Type: Ni-MH
- Warranty: 12 Months
- Bulk Orders: sales@batteryweb.com
Frequently Asked Questions
My SVC9031BK has good battery charge showing but suction goes weak halfway through the floor — why?
A partially blocked filter forces the motor to draw more current than rated, which causes voltage sag at the cell even when charge capacity is still high. The motor slows under the extra load, and suction drops noticeably before the battery indicator moves. Remove and clean the filter, then check whether suction holds steady through a full pass. If it does, the battery is fine — the blockage was the cause.
The vacuum cuts out after a few minutes of use, then starts again if I leave it sitting — is the battery faulty?
This is a BMS overcurrent trip, not a dead cell. When the dustbin is full or the post-motor filter is clogged, restricted airflow forces sustained high current draw, and the BMS opens the circuit to protect the Ni-MH cells. After a short rest the BMS resets and allows restart. Empty the bin, clean both filters, and run the vacuum again — if the cutouts stop, the cell is working correctly. If trips continue with clear airflow, check the resting pack voltage, which should sit above 13.0V.
I charged the replacement battery fully but it seems to fade much faster than the original did when new — what causes that?
Ni-MH cells degrade faster than rated when left on a continuous dock charge between uses — the trickle current that maintains a full charge slowly damages cell capacity over weeks. If the previous battery was stored on the dock permanently, the original may have already been operating below rated capacity before it failed, making the new cell appear to fade by comparison. Charge the new cell only when depleted, remove it from the dock once full, and use the vacuum until suction weakens before the next charge cycle. After three to four full cycles this way, capacity should stabilise at rated output.
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