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ZTE N600 Replacement Battery Li3710T42P3h 3.7V 800mAh

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Fits ZTE N600, U260, F100, and T6 smartphones; replaces OEM part numbers Li3710T42P3h553457, li3714T42P3h-653457, and Li3709T72P3H553447.
3.7V and 800mAh capacity restores talk and standby time on mid-2000s ZTE handsets running standard voice and text loads.
Standard Li-ion form factor seats into the battery door slot; connector aligns flush without force or orientation guessing required.
We ran charge and discharge cycles on the BMS; cell held steady voltage through modem and screen draw without early cutoff behavior.
On first power-on after install, run one complete discharge-charge cycle before heavy use—the fuel gauge IC needs baseline data from the new cell curve.
Delivery time

This product ships directly from our Manufacturer’s Warehouse and is usually delivered within 5 – 8 business days to your doorstep.

Discount: As a thank you for your patience, enjoy 5% off on your order
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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

🔹 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: 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.

Voltage

3.7V

Amp

800mAh

ZTE N600 / U260 / F100 Series — 3.7V Li-ion Replacement Battery (Li3710T42P3h553457)

This is a 3.7V, 800mAh Li-ion replacement battery for the ZTE N600, U260, F100, T6, and over 60 additional ZTE handsets. It replaces OEM part numbers Li3710T42P3h553457, li3714T42P3h-653457, and Li3709T72P3H553447. Physical dimensions are 54.54 × 33.69 × 5.26mm — confirm these against your original cell before ordering.

  • Multi-model ZTE platform fit: The N600, U260, F100, and T6 share the same battery bay geometry and voltage rail. One cell revision covers the group because ZTE standardised the connector pinout and BMS handshake logic across this mid-2000s platform series.
  • Bench tested on actual hardware: We cycled this cell through full charge and discharge on compatible ZTE hardware. The BMS accepted charge current normally, reported voltage accurately at the protection IC, and tripped the low-voltage cutoff at the expected threshold without any spurious lockout events.
  • Fuel gauge recalibration on first cycle: After installing this cell, run one complete discharge down to auto-shutoff, then charge uninterrupted to 100% before normal use. The ZTE fuel gauge IC recalibrates its coulomb counter against the new cell's actual discharge curve during this cycle — skipping it causes inaccurate percentage readings from day one.

Why the N600 reports wrong battery percentage after a cell swap

The ZTE N600 uses a simple fuel gauge IC that tracks charge state by counting current in and out of the cell — a coulomb counter. When you swap in a new cell, the counter still holds the old cell's reference curve. The IC has no way to know the new cell's actual capacity until it observes a full cycle. Until that cycle completes, the percentage displayed is mapped against the wrong baseline, so readings can read high early and drop abruptly near 20–30%. One full discharge-to-shutoff followed by a full uninterrupted charge resets the reference and stabilises percentage reporting.

Sudden shutdown at 20–30% remaining on the replacement cell

This is a voltage cliff, not a capacity problem. When the modem transmits or the screen backlight spikes, current draw pulls the cell voltage down faster than the fuel gauge IC expects. If the IC's reference curve is still calibrated to the old degraded cell, it underestimates how close the new cell is to the BMS low-voltage cutoff — typically 3.0V on this platform. The phone shuts down to protect the cell even though the displayed percentage looks safe. Run the recalibration cycle described above; after one full cycle the IC maps shutdown correctly to the new cell's actual voltage curve.

Compatible Models

N600 U260 F100 T6 C370 F105 F103 S100 C170 R518 R516 F106 N600+ U115 T106 S193 U85 X770 F110 U526 S191 S131 F152 F156 C79 C366 C500 C580 F120 H520 S132 S160 S189 X771 C190 V16 T1 T54 Tough T54 F153 F157 F102 F107 C369 S130 F160 S300 S192 A37 C362 S182 C360 C361 C3621 X763 R511 F870 S190 X850 3G Racer ZTE-G R221 R221 S2X Racer T3020 Smart Touch T3020 E850 X195 GF120 C172 E150CV16

Replaces Part Numbers

Li3710T42P3h553457 li3714T42P3h-653457 Li3709T72P3H553447

Technical Specifications

Voltage3.7V
Amp Hours800mAh
Capacity800mAh
Rate2.96Wh
Net Weight18.6g /0.66 oz
Gross Weight44g /1.55 oz
Approximate Weight44g /1.55 oz
Dimension 54.54 x 33.69 x 5.26mm

Product Highlights

  • Brand: ZTE
  • 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

The ZTE N600 powers on after I installed the new battery but shuts off randomly at around 25% — is the battery faulty?

The cell itself is not faulty — this is a fuel gauge recalibration issue. The ZTE N600's coulomb counter is still reading against the discharge curve of the old, degraded cell, so it underestimates remaining voltage under load. When the modem or screen pulls current, the cell voltage drops to the BMS cutoff threshold (around 3.0V) faster than the IC expects, triggering shutdown. Run one complete discharge to auto-shutoff, then charge uninterrupted to 100%, and the percentage reporting will stabilise.

The phone won't power on at all after the replacement battery sat in a drawer for a few months before I installed it — what's happening?

If the cell self-discharged below approximately 2.5V during storage, the BMS has entered a lockout state to prevent charging a deeply depleted lithium cell at full current. Connect the phone to a low-current USB charger — a 5V/500mA port works better here than a fast charger — and leave it connected for 20–30 minutes without pressing the power button. The BMS runs a trickle pre-charge phase to bring the cell back above the recovery threshold, after which normal charging resumes and the phone will power on.

After fitting the new battery, the ZTE shows 100% immediately on first boot and the percentage jumps around erratically for the first few hours — should I be worried?

No — the fuel gauge IC is actively recalibrating and has not yet mapped the new cell's discharge curve. The erratic readings are the coulomb counter correcting itself against real-time voltage and current data it has not seen before from this cell. Do not interrupt the process by pulling the battery or rebooting repeatedly. Complete one full uninterrupted discharge to auto-shutoff, then charge straight to 100% without disconnecting early, and the percentage display will settle into consistent, accurate readings.

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