Dell Latitude 13 5320 Replacement Battery 11.4V 3650mAh
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Dell Latitude 13 5320 Replacement Battery 11.4V 3650mAh - 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
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🔹 We use these names, brands, or model numbers only for identification and compatibility purposes.
Dell Latitude 13 5320 Replacement Battery 11.4V 3650mAh - is backordered and will ship as soon as it is back in stock.
Voltage
11.4V
Amp
3650mAh
Dell Latitude 13 5320 / 7320 Series — 11.4V Li-Polymer Replacement Battery (MHR4G / 1PP63 / 727CG)
This 11.4V, 3650mAh (41.61Wh) Li-Polymer battery replaces the original cell in Dell Latitude 13 5320, Latitude 7320, and over 40 additional Latitude variants. It matches the OEM voltage rail and physical footprint for a direct swap without hardware modification. Install it when the original cell no longer holds charge or when Windows reports degraded battery health.
- Latitude 5320 / 7320 platform fit: These models share an 11.4V three-cell architecture with the same connector pinout and BMS handshake protocol. Part numbers MHR4G, 1PP63, 727CG, 9JM71, HDGJ8, 4M1JN, and TN2GY are all cross-compatible across this generation — Dell used multiple OEM codes for the same physical cell depending on build region and supplier batch.
- Bench tested on actual hardware: We ran this cell on a Latitude 7320 unit and confirmed the BMS completed its initialisation handshake, charge current ramped correctly through CC/CV phases, and the BIOS battery page reported capacity without error flags.
- Post-install calibration cycle: After fitting this cell, discharge the laptop fully until it hibernates, then charge uninterrupted to 100% without interruption. This forces the fuel gauge IC to re-learn the new cell's actual capacity curve and clears the false "poor health" warning the BIOS displays after every cell swap.
BIOS reporting battery health as poor immediately after replacement
Dell's BIOS reads health data from the battery's EEPROM, which stores charge cycle count and rated Wh from the original cell's firmware. A replacement cell resets that EEPROM, so the BIOS flags the mismatch as degraded health even when the new cell is fully functional. Running one complete discharge-to-hibernate followed by a full uninterrupted charge allows the fuel gauge IC to write fresh baseline data. After two to three full cycles, the health status in Dell Power Manager normalises.
Laptop shutting down at 20–30% charge shown on screen
This happens when the fuel gauge IC has not yet calibrated against the new cell's actual voltage curve. The OS reads a fuel gauge estimate from the old curve, so the displayed percentage does not match real cell voltage — the laptop hits the hardware low-voltage cutoff while the screen still shows 20–30% remaining. It is not a fault with the replacement cell. Run two full discharge-to-hibernate cycles and the gauge recalibrates; shutdowns should move to below 5% reported charge, which is normal BMS low-voltage protection at approximately 9.0V pack voltage.
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
Windows is showing the battery as "0% available (plugged in, not charging)" right after I installed the new cell — what's happening?
The fuel gauge IC has not yet synced with the new cell's EEPROM data, so Windows briefly reads an invalid state register and reports 0% or "unknown." Shut the laptop down completely, unplug the AC adapter for 30 seconds, then reconnect and power on. If the reading is still wrong after a full boot, run one complete discharge to hibernate and charge back to 100% uninterrupted — this forces a fresh handshake between the BIOS and the new cell.
Dell Power Manager is showing a different Wh rating than what's listed on the battery label — is the cell under-capacity?
The Wh figure in Dell Power Manager pulls from the EEPROM on the cell, which is programmed at manufacture. Minor differences between the label value and the software-reported value are common when replacement cells use slightly different EEPROM firmware than the original OEM batch — it does not mean the cell is under-capacity. Confirm the voltage reads 11.4V and the capacity registers near 41Wh after a full charge cycle; those are the values that matter for actual runtime.
The battery charges normally but the percentage jumps around wildly — drops from 60% to 35% in minutes, then reads 80% after sleep. How do I fix this?
Erratic fuel gauge readings on a new cell mean the gauge IC is still using calibration data from the old, degraded cell — it has no accurate reference point for the new chemistry curve yet. Run two full discharge-to-hibernate cycles with the display and any connected peripherals active to create a realistic load profile. After the second complete cycle, the gauge IC writes new endpoint data and the percentage readout stabilises; expect accuracy to within 3–5% after that point.
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