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Li3820T44P4h665055 2030mAh 3.8V Li-ion Polymer replacement battery for ZTE MF935, MF936, and U10L portable WiFi devices, front view showing battery surface and small 2-pin connector
Li3820T44P4h665055 2030mAh 3.8V replacement battery for ZTE MF935, MF936, and U10L portable WiFi devices, back view showing model number Li3820T44P4h665055, capacity 2030mAh, and voltage 3.8V on spec label

Li3820T44P4h665055 2030mAh 3.8V Battery for ZTE MF935 MF936 U10L WiFi Replacement

Original price was: $22.99.Current price is: $15.99.

🔘 Li3820T44P4h665055 2030mAh 3.8V | 🔋 Li-ion Polymer | 📱 For ZTE MF935/MF936/U10L Portable WiFi

8 in stock

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SKU: Li3820T44P4h665055 Category: Tags: , , , , ,
📦 Shipping, Warranty & After-Sales Information (Click to expand ▼)

✅ Why Our Warranty Stands Out

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Compare✅ Qingsm Tech⚠️ eBay / AliExpress
Warranty Period90 days from delivery15-30 days from order confirmation
When It Starts📦 Upon delivery⚠️ Upon order confirmation (even before you receive it)
Claims HandlingWe do it directly — email usAutomated dispute system, seller dependent
After Window ExpiresStill can contact us for supportNo recourse, seller can ignore you

🔋 90-day warranty is the industry standard for replacement batteries. Batteries naturally lose capacity over time — this normal wear is not covered. Warranty applies to manufacturing defects only.

📦 Shipping Cost & Delivery Time (Economy Shipping from China)

📦 Note: Batteries are classified as hazardous goods and must be shipped via specialized channels, which may take slightly longer than standard couriers. Delivery times are estimates and may be affected by customs, weather, or other unforeseen circumstances. If your country is not listed in the table below, we are currently unable to ship batteries to that destination.

DestinationFreight (USD)Est. Delivery Time
United States$7.808–15 days
Canada$6.8018–30 days
Mexico$10.0030–60 days
Germany, France, United Kingdom, Greece$6.5018–30 days
Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Hungary, Ireland, Italy, Luxembourg, Netherlands, Norway, Poland, Portugal, Slovakia, Spain, Sweden, Switzerland$8.0018–30 days
Croatia, Finland, Lithuania, Latvia, Slovenia$8.0030–50 days
Bulgaria, Romania$14.0030–50 days
South Korea, Japan, Australia, New Zealand, Israel, Malaysia, Singapore, Thailand, Philippines, Kazakhstan$7.5018–30 days
United Arab Emirates, Saudi Arabia, Vietnam, Chile, Peru, Colombia, Brazil$18.0025–60 days

🇧🇷 Note for Brazil: Brazilian customs can occasionally cause delays of up to 80 days or more. And please indicate the recipient's CPF, as it is required for Brazilian customs and shipping. Thanks! We appreciate your understanding.

🇪🇺 Note for EU countries: Due to new EU customs regulations effective July 1, 2026, a flat tariff fee of $4.00 (approx. €3.50) applies to shipments to EU countries. This fee covers customs tariff, handling, and payment processing costs, and will be added at checkout. Thank you for your understanding.

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Description

✅ Condition: Brand New – Never used, factory-tested quality

✅ 2030mAh High Capacity – Restores full battery life for ZTE MF935, MF936, and U10L portable WiFi devices

✅ CE / RoHS / UN38.3 Certified

✅ 90-Day Warranty from delivery – Longer coverage than major platforms

✅ Ships in 3-7 days with tracking

🛡️ Shipping Protection Available at Checkout

✅ PayPal Buyer Protection included

✅ 100% Compatibility Guarantee – If it doesn’t fit, we’ll refund you. No questions asked.

⚠️ Low Stock Alert: Only 8 left in stock. Order now to avoid waiting.

Battery model: Li3820T44P4h665055
Capacity: 2030mAh (typical) / 7.54Wh
Rated voltage: 3.8V
Charge limit voltage: 4.35V
Battery type: Li-ion Polymer (Grade A cells)
Compatible with: ZTE MF935, ZTE MF936, ZTE U10L
Package include: 1 x battery
Restore the portable WiFi performance of your ZTE MF935, MF936, or U10L with this Li3820T44P4h665055 2030mAh replacement battery. The ZTE MF935 and MF936 are compact 4G portable WiFi routers, while the U10L is a 5G portable WiFi hotspot—all designed for travelers, remote workers, and anyone who needs reliable internet on the go. After extended daily use and repeated charging cycles, the factory battery naturally degrades. This Li‑ion Polymer battery restores the full 2030mAh capacity, bringing back the extended runtime these devices were designed for. Built with grade A cells and multi‑layer safety protection against overcharge, over‑discharge, and short circuits. CE, RoHS, and UN38.3 certified for safe shipping and use.
Designed for Portable WiFi Endurance: The ZTE MF935, MF936, and U10L are built for users who need WiFi wherever they go. The Li3820T44P4h665055 2030mAh battery powers these compact routers, providing the energy needed for hours of continuous tethering. After 1‑2 years of daily use, the original battery capacity degrades significantly. Common symptoms include: the device requiring more frequent charging, shorter runtime than when new, unexpected shutdowns during use, or visible battery swelling. This Li3820T44P4h665055 replacement battery restores the factory‑spec 2030mAh capacity, giving you back the freedom to stay connected on the road, at cafes, or during travel. The battery uses high‑density cell technology with precise voltage control, ensuring stable output and compatibility with the device’s original charging circuitry.
Compatibility Note: Fits ZTE MF935, ZTE MF936, and ZTE U10L only. Please confirm your battery model before ordering — Li3820T44P4h665055 is printed on your original battery. This battery is NOT compatible with ZTE MF930, ZTE MF937, ZTE U10, ZTE U50, ZTE MU5001, ZTE MU5002, or other ZTE portable WiFi models. These devices use a distinct 2030mAh battery with specific dimensions and connector layout; using a different battery model may cause charging issues or incorrect battery reporting.

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Frequently Asked Questions

The Li3820T44P4h665055 2030mAh battery replacement is compatible with ZTE MF935, ZTE MF936, and ZTE U10L. If you need a Li3820T44P4h665055 battery for ZTE MF935 or a Li3820T44P4h665055 battery for ZTE U10L, this replacement battery is the exact match. For Li3820T44P4h665055 battery compatibility, please verify your battery model printed on the original unit — Li3820T44P4h665055 is the correct model for these devices. This battery is NOT compatible with ZTE MF930, ZTE MF937, ZTE U10, ZTE U50, or other ZTE portable WiFi models. If your current ZTE MF936 battery or ZTE U10L battery now drains quickly or shuts down unexpectedly, this Li3820T44P4h665055 3.8V 2030mAh Li‑ion Polymer battery will restore full runtime and reliability.

The Li3820T44P4h665055 2030mAh battery for ZTE MF935, MF936, and U10L has a typical capacity of 2030mAh (7.54Wh) and a rated voltage of 3.8V, with a charge limit of 4.35V. This Li3820T44P4h665055 3.8V 2030mAh Li‑ion Polymer battery is built with grade A cells and is CE, RoHS, and UN38.3 certified. For Li3820T44P4h665055 battery performance, the battery supports the original charging capability of these ZTE portable WiFi devices. For best Li3820T44P4h665055 battery performance ZTE MF936, allow 2‑3 full charge cycles after installation to calibrate the battery meter. If your original ZTE U10L battery now requires more frequent charging instead of lasting as it did when new, this replacement will restore the full 2030mAh capacity and stable voltage output.

Professional Li3820T44P4h665055 battery installation is recommended for ZTE MF935, MF936, and U10L. These devices have a sealed design that requires careful opening. To replace Li3820T44P4h665055 battery in ZTE MF935 or replace Li3820T44P4h665055 battery in ZTE U10L, the technician must carefully open the device casing to avoid damaging the internal components, disconnect the battery's small 2‑pin connector, remove the old battery, and install the new Li3820T44P4h665055 battery before resealing. For Li3820T44P4h665055 battery installation, improper handling can damage the device's internal components or compromise the casing. For Li3820T44P4h665055 battery health maintenance and ZTE MF935 battery care tips: 1) Use the original charger and cable for optimal charging. 2) Keep battery level between 20% and 80% for daily use to maximize the lifespan of the 2030mAh cell. 3) Avoid exposing the device to high temperatures (above 40°C / 104°F), especially while charging. 4) For long‑term storage (over 2 months), keep the battery at approximately 40‑60% charge. 5) Perform a full calibration cycle after installation: drain the device until it auto‑shuts off, then charge uninterrupted to 100%. For Li3820T44P4h665055 battery care tips ZTE MF936, stop using immediately if the battery shows any swelling.

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