Dell Chromebook 3400 Replacement Battery 11.4V P90F
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 Chromebook 3400 Replacement Battery 11.4V P90F - 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 Chromebook 3400 Replacement Battery 11.4V P90F - is backordered and will ship as soon as it is back in stock.
Voltage
11.4V
Amp
3400mAh
Dell Chromebook 3400 / 5400 Series — 11.4V Li-Polymer Replacement Battery (P90F / YRDD6)
This is an 11.4V, 3400mAh (38.76Wh) Li-Polymer replacement battery for the Dell Chromebook 3400, 5488, 5493, and 5593, plus over 200 additional Dell Chromebook and Inspiron models. It replaces OEM part numbers P90F, YRDD6, WDX0R, 3CRH3, and related variants. If the original cell is failing to hold a charge or the system reports degraded battery health, this is the direct cell replacement.
- Chromebook 3400 and 5400 series fit: These models share the same 11.4V three-cell Li-Polymer architecture, identical connector pinout, and the same BMS handshake protocol used by Dell's EC firmware — one cell design covers the full range listed above.
- Bench tested on actual hardware: We cycled this cell on a Chromebook 3400 and confirmed the BMS handshake completed, the EC accepted the cell without fault codes, and charge accepted cleanly across all three cells without voltage imbalance at the pack level.
- Post-install calibration on Dell Chromebook: After fitting this cell, run the system down to automatic hibernate-cutoff, then charge uninterrupted to 100% without interruption. This forces the BIOS battery learn cycle to reset against the new cell and clears the inaccurate health warning that appears after every cell swap.
BIOS reporting poor battery health immediately after fitting a new cell
The Dell EC reads battery health from EEPROM data stored in the old pack's fuel gauge IC — not from live cell measurements. When a new cell goes in, the EEPROM slate is blank or shows a different charge history, so the system flags it as degraded before a single cycle runs. This is not a fault with the replacement cell. One full discharge-to-hibernate followed by an uninterrupted charge to 100% resets the learn cycle. After two or three full cycles, the health indicator will reflect actual cell condition.
Chromebook 3400 shutting down at 20–30% charge shown on screen
This is a voltage cliff failure — when CPU load and display backlight draw simultaneously, the cell voltage drops faster than the fuel gauge IC can track. The EC sees the pack voltage fall below the 10.5V cutoff threshold and shuts the system down even though the gauge still reads 20–30%. It happens most often on degraded cells or cells that have not completed a learn cycle. Run one full calibration cycle from hibernate-cutoff to 100%, and the fuel gauge IC will recalibrate its discharge curve against the actual cell chemistry. If shutdown continues below 15% after three cycles, check that cell voltage at the connector reads above 11.0V under load.
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
Dell Chromebook 3400 says "Battery not detected" or shows 0% right after I put the new battery in — what's wrong?
The Dell EC authenticates the battery via a BMS handshake on the SMBus data line. If the connector isn't fully seated, that handshake fails and the system reports 0% or "unknown battery." Power off completely, reseat the battery connector until it clicks, then cold boot — do not resume from hibernate. If the error clears on a cold boot, the connection was the cause.
System info shows this battery as 38Wh but Windows energy report says something different — is the cell faulty?
The Wh figure in system info comes from the EEPROM on the fuel gauge IC, which stores the rated design capacity. The Windows energy report calculates full-charge capacity from live charge cycles, so the two numbers will differ until the fuel gauge IC has completed two or three full calibration cycles against the new cell chemistry. No fault action needed — run two full discharge-to-100% cycles and the reported figures will converge.
New battery charges to 80% then stops — Chromebook 3400 won't go above that ceiling no matter how long it's plugged in.
This is a BIOS-controlled charge limit, not a cell fault. Dell ships several Chromebook models with a battery health mode enabled in BIOS that caps charge at 80% to reduce cell stress over time. Go to BIOS setup (F2 at boot), find the "Battery Charge Configuration" or "Primary Battery Charge" setting, and switch it from "Custom" or "Primarily AC" to "Standard." Save and reboot — the cell will charge to 100% on the next cycle.
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