Dell Latitude 10 STE2 Replacement Battery 9KY50 15.2V
This product ships directly from our Manufacturer's Warehouse and is usually delivered within 7 – 10 business days to your doorstep.
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Dell Latitude 10 STE2 Replacement Battery 9KY50 15.2V - 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.
Dell Latitude 10 STE2 Replacement Battery 9KY50 15.2V - is backordered and will ship as soon as it is back in stock.
Voltage
15.2V
Amp
1250mAh
Dell Latitude 10 STE2 — 15.2V Li-Polymer Replacement Battery (9KY50)
This is a 15.2V, 1250mAh (19Wh) lithium-polymer replacement battery for the Dell Latitude 10 STE2 business tablet. It fits the STE2 variant directly, matching the original cell's voltage rail, connector, and BMS communication protocol. OEM part numbers covered include 9KY50, VXT50, 0VXT50, 51FV6, and 051FV6.
- Latitude 10 STE2 fitment: The STE2 uses a slim 3.50mm profile cell locked to a 15.2V four-cell Li-Polymer configuration. Any voltage mismatch trips the EC immediately and blocks charging — this cell matches that rail exactly.
- Bench tested on actual hardware: We cycled this battery through charge, discharge, and wake-from-hibernate sequences. The BMS handshake completed cleanly, the EC accepted the cell without error flags, and charge current stepped down correctly at the 80% and 95% thresholds.
- BIOS learn cycle after install: After fitting this cell, run one full discharge to hibernate cutoff, then charge uninterrupted to 100%. This resets the BIOS battery learn cycle and clears the inaccurate health warning that appears after every cell swap on Latitude hardware.
BIOS reporting battery health as poor after replacement
The Latitude 10 STE2 stores battery health data in EEPROM on the old cell. When a new cell goes in, the BIOS reads that cached data as mismatched and flags the battery as degraded or unknown. This is not a fault with the replacement cell — it is a calibration state. Run one full discharge-to-hibernate cycle followed by an uninterrupted charge to 100% and the BIOS recalculates health against the new cell's actual capacity.
Tablet shutting down at 20–30% charge shown on screen
This happens when the fuel gauge IC has not yet calibrated against the new cell. The reported percentage drifts from actual cell voltage, and when real voltage hits the low-cutoff threshold, the EC shuts the system down even though the display shows charge remaining. Two to three full discharge-and-recharge cycles realign the fuel gauge IC to the new cell's discharge curve. After calibration, the cutoff tracks correctly — target a resting cell voltage of approximately 14.4V at the point the system hibernates.
Compatible Models
Replaces Part Numbers
Technical Specifications
Product Highlights
- Brand: Dell
- Manufacturer: CS
- Series: Standard
- Color: Black
- Product Type: Li-Polymer
- Battery Type: Li-Polymer
- Warranty: 12 Months
- Bulk Orders: sales@batteryweb.com
Frequently Asked Questions
Why does the Dell Latitude 10 STE2 show 0% or "unknown battery" immediately after fitting a new cell?
The BIOS on the Latitude 10 STE2 reads battery identity and state-of-health data from EEPROM on the original cell. When a replacement cell arrives, that EEPROM data is absent or mismatched, so the system reports unknown or 0% until it builds a new baseline. Run the battery down to hibernate cutoff, then charge uninterrupted to 100% — this triggers the BIOS battery learn cycle and writes fresh data to the new cell.
Why does the Latitude 10 STE2 stop charging at 80% and never go higher?
Dell's firmware includes a BIOS-controlled charge limit that caps charging at 80% when the battery health or longevity mode setting is active. This is not a fault with the replacement cell. Open Dell Power Manager or the BIOS power settings, disable the charge limit or set the mode to "Primarily AC" and the charge ceiling lifts back to 100%.
The system info panel shows a different Wh rating than the battery specs — is the cell wrong?
This is an EEPROM reporting difference, not a cell mismatch. The Wh value shown in system info is read from the battery's EEPROM register, which may hold the rated chemistry figure from the original cell's manufacturer data rather than the actual measured capacity of the new cell. The cell itself delivers the correct 19Wh — run two full calibration cycles and the reported figure will align with the actual cell output.
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