Sale!
M21G/M22LG 2050mAh 3.8V Li-ion Polymer replacement battery for SHANXUNBAO XYL-B3 and Tengying YM-M001 portable WiFi routers, front view showing battery surface and small 2-pin connector
M21G/M22LG 2050mAh 3.8V replacement battery for SHANXUNBAO XYL-B3 and Tengying YM-M001 WiFi routers, back view showing model number M21G/M22LG, capacity 2050mAh, and voltage 3.8V on spec label

M21G / M22LG 2050mAh 3.8V Battery for SHANXUNBAO XYL-B3 Tengying YM-M001 WiFi Router Replacement

Original price was: $19.99.Current price is: $14.99.

🔘 M21G/M22LG 2050mAh 3.8V | 🔋 Li-ion Polymer | 📱 For SHANXUNBAO XYL-B3 / Tengying YM-M001 WiFi Router

8 in stock

No PayPal account? 💳 Pay with credit/debit card | 🛡️ PayPal Buyer Protected
SKU: M21G Category: Tags: , , , , , ,
📦 Shipping, Warranty & After-Sales Information (Click to expand ▼)

✅ Why Our Warranty Stands Out

Unlike marketplace sellers with short buyer protection windows, we handle claims directly — no automated disputes, no endless back-and-forth.

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.

🔋 Can't find your battery model? Use our FREE Battery Lookup Service – tell us your device and we'll find a match within 24 hours. 👉 battery.qingsm.tech/find-my-battery

Description

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

✅ 2050mAh High Capacity – Restores full battery life for SHANXUNBAO XYL-B3 and Tengying YM-M001 portable WiFi routers

✅ 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

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

Battery model: M21G / M22LG (interchangeable)
Capacity: 2050mAh (typical) / 7.79Wh
Rated voltage: 3.8V
Charge limit voltage: 4.35V
Battery type: Li-ion Polymer (Grade A cells)
Compatible with: SHANXUNBAO XYL-B3, Tengying YM-M001 portable WiFi routers
Package include: 1 x battery
Restore the portable WiFi performance of your SHANXUNBAO XYL-B3 or Tengying YM-M001 with this M21G/M22LG 2050mAh replacement battery. The SHANXUNBAO XYL-B3 and Tengying YM-M001 are compact portable WiFi routers designed for travelers, remote workers, and anyone who needs reliable internet on the go. These devices feature built‑in rechargeable batteries that power the 4G connectivity for multiple devices simultaneously. After extended daily use and repeated charging cycles, the factory battery naturally degrades. This Li‑ion Polymer battery restores the full 2050mAh 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 SHANXUNBAO XYL-B3 and Tengying YM-M001 are built for users who need WiFi wherever they go. The M21G and M22LG batteries are fully interchangeable — both models work identically in these devices. 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 M21G/M22LG replacement battery restores the factory‑spec 2050mAh 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 SHANXUNBAO XYL-B3 and Tengying YM-M001 portable WiFi routers. Please confirm your battery model before ordering — M21G or M22LG is printed on your original battery. The M21G and M22LG are interchangeable and share the same connector and dimensions. This battery is NOT compatible with other SHANXUNBAO or Tengying models, or other portable WiFi router brands. Using a different battery model may cause charging issues or incorrect battery reporting.

Discover more from Battery.qingsm.tech

Subscribe to get the latest posts sent to your email.

Reviews

There are no reviews yet.

Be the first to review “M21G / M22LG 2050mAh 3.8V Battery for SHANXUNBAO XYL-B3 Tengying YM-M001 WiFi Router Replacement”

Your email address will not be published. Required fields are marked *
To receive the "Verified Owner" badge, please use the same email address you used when placing your order.

Frequently Asked Questions

The M21G/M22LG 2050mAh battery replacement is compatible with SHANXUNBAO XYL-B3 and Tengying YM-M001 portable WiFi routers. If you need an M21G battery for SHANXUNBAO XYL-B3 or an M22LG battery for Tengying YM-M001, this replacement battery is the exact match. The M21G and M22LG are fully interchangeable — both models work identically in these devices. For M21G battery compatibility or M22LG battery compatibility, please verify your battery model printed on the original unit. This battery is NOT compatible with other SHANXUNBAO or Tengying models, or other portable WiFi router brands. If your current portable WiFi router battery now drains quickly or shuts down unexpectedly, this M21G/M22LG 3.8V 2050mAh Li‑ion Polymer battery will restore full runtime and reliability.

The M21G/M22LG 2050mAh battery for SHANXUNBAO XYL-B3 and Tengying YM-M001 has a typical capacity of 2050mAh (7.79Wh) and a rated voltage of 3.8V, with a charge limit of 4.35V. This M21G/M22LG 3.8V 2050mAh Li‑ion Polymer battery is built with grade A cells and is CE, RoHS, and UN38.3 certified. For M21G battery performance and M22LG battery performance, the battery restores the factory runtime that these portable WiFi routers are known for. The 2050mAh capacity provides reliable power for 4G connectivity, multi‑device tethering, and extended use during travel or work. For best M21G battery performance SHANXUNBAO XYL-B3, allow 2‑3 full charge cycles after installation to calibrate the battery meter. If your original Tengying YM-M001 battery now requires more frequent charging instead of lasting through your workday, this replacement will restore the full 2050mAh capacity and stable voltage output.

Professional M21G/M22LG battery installation is recommended for SHANXUNBAO XYL-B3 and Tengying YM-M001. These devices have a sealed design that requires careful opening. To replace M21G battery in SHANXUNBAO XYL-B3 or replace M22LG battery in Tengying YM-M001, 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 M21G or M22LG battery before resealing the device. For M21G battery installation or M22LG battery installation, improper handling can damage the device's internal components or compromise the casing seal. For battery health maintenance and portable WiFi router 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 2050mAh 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 M21G battery care tips SHANXUNBAO XYL-B3 or M22LG battery care tips Tengying YM-M001, stop using immediately if the battery shows any swelling or deformation.

Related products

✅ Ready to order?

This battery is in stock and ready to ship within 3-7 days. 90-day warranty included.

👉 Add to Cart Now