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Hisense HS-U970 Replacement Battery 3.7V 2150mAh LI37200C

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From $23.99 USD $29.99
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Fits Hisense HS-U970, HS-U966, HS-T970, HS-T968 and replaces OEM LI37200C.
3.7V and 2150mAh capacity restores full charge cycles on this smartphone.
Connector slides into original battery slot with standard locking tab alignment.
We tested the BMS on first charge; fuel gauge IC accepted new discharge curve without voltage lockout.
On first use after installation, disable fast charging for one complete discharge-charge cycle — this recalibrates the fuel gauge IC against the new cell curve before high-current charging.
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

2150mAh

Hisense HS-U970 Series — 3.7V Li-ion Replacement Battery (LI37200C)

This is a 3.7V, 2150mAh Li-ion cell that replaces the original LI37200C battery in the Hisense HS-U970 and related models. It fits the HS-U970, HS-U966, HS-T970, and HS-T968, among others sharing the same battery bay and connector. Voltage and capacity match OEM spec exactly.

  • HS-U970 series compatibility: These models share the same 3.7V power rail, physical footprint, and BMS handshake protocol. The LI37200C connector and protection circuit layout are consistent across the HS-U9xx and HS-T9xx lines, so one cell covers all listed fits without modification.
  • Bench tested on actual hardware: We cycled this cell through charge and discharge on the HS-U970 platform. The BMS accepted the cell without fault flags, the charge IC completed a full CC-CV cycle, and the protection circuit triggered correctly at both low-voltage cutoff and overcharge thresholds.
  • Fuel gauge recalibration after swap: On first use after installation, disable fast charging and run one full discharge-charge cycle at standard rate. This lets the fuel gauge IC map its coulomb counter to the new cell's actual discharge curve before fast charge pushes higher current into an uncalibrated state.

Why the HS-U970 reports wrong battery percentage after a cell swap

The fuel gauge IC in the HS-U970 stores a discharge curve calibrated to the original cell's impedance and capacity. When a new cell goes in, that stored curve no longer matches the physical cell. The IC keeps using its old reference, so the percentage it reports drifts from actual state of charge. One full discharge to auto-off followed by a full charge to 100% lets the coulomb counter reset its endpoints against the new cell.

Sudden shutdown at 20–30% on the replacement cell

This happens when the cell voltage drops sharply under the combined load of the modem, screen, and background processes — a voltage cliff the fuel gauge did not predict. The phone's power IC sees voltage fall below its cutoff threshold before the displayed percentage reaches zero. It is not a faulty cell; it is an uncalibrated gauge reading a new discharge curve. Run two full discharge-charge cycles at standard rate and the shutdowns typically stop as the gauge learns the cell's true low-voltage behaviour around 3.2–3.3V.

Compatible Models

HS-U970 HS-U966 HS-T970 HS-T968 HS-E968 HS-EG970 U970 T970 U966 E968 EG970

Replaces Part Numbers

LI37200C

Technical Specifications

Voltage3.7V
Amp Hours2150mAh
Capacity2150mAh
Rate7.96Wh
Net Weight38g /1.34 oz
Gross Weight63g /2.22 oz
Approximate Weight63g /2.22 oz
Dimension 73.52 x 59.86 x 4.34mm

Product Highlights

  • Brand: Hisense
  • Manufacturer: CS
  • Series: X-Longer
  • Color: Black
  • Product Type: Li-ion
  • Battery Type: Li-ion
  • Warranty: 12 Months
  • Bulk Orders: sales@batteryweb.com

Frequently Asked Questions

My Hisense HS-U970 won't turn on at all after the new battery sat in a drawer for a few months — is it dead?

The BMS locks out the cell when voltage drops below roughly 2.5V during storage, cutting all output to prevent damage. Plug the phone into a wall charger — not a PC port — and leave it for 30–45 minutes without pressing the power button. The charge IC trickle-charges the cell until the BMS releases its lockout, after which the phone will boot normally. If the screen shows nothing after an hour on charge, check that the battery connector is fully seated.

Fast charging stopped working the first time I plugged in after fitting the replacement battery — what's wrong?

The USB-PD or proprietary fast-charge handshake requires the BMS to signal readiness before the charge IC steps up current. On the first cycle with a new cell, some BMS firmware holds the cell in standard charge mode until it completes one full CC-CV cycle at base rate. Let the phone charge fully once at standard speed without interrupting the cycle. Fast charge resumes on subsequent charges once the BMS has confirmed a clean first cycle.

The battery percentage on my HS-U970 keeps jumping around erratically — 60% one minute, 45% the next without any heavy use.

The fuel gauge IC is reading an impedance profile it has not yet mapped for this cell, so its state-of-charge estimate swings as load shifts. This is a calibration issue, not a fault with the cell itself. Drain the phone fully until it shuts itself off, then charge uninterrupted to 100% — repeat this once more. After two complete cycles the coulomb counter stabilises and percentage readouts should track smoothly within a few percent of actual charge.

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