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LPN385350 3500mAh 3.85V Li-ion Polymer replacement battery for CROSSCALL TREKKER X3, front view showing battery surface and small 2-pin connector

LPN385350 3500mAh 3.85V Battery for CROSSCALL TREKKER X3 Replacement

Original price was: $47.99.Current price is: $39.99.

🔘 LPN385350 3500mAh 3.85V | 🔋 Li-ion Polymer | 📱 For CROSSCALL TREKKER X3

8 in stock

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SKU: LPN385350 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, Czech Republic, Denmark, Estonia, Hungary, Ireland, Italy, Luxembourg, Netherlands, Norway, Poland, Portugal, Slovakia, Spain, Sweden, Switzerland, Ukraine$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: New – Factory-tested quality & Warranty

✅ 3500mAh High Capacity – Restores full battery life for CROSSCALL TREKKER X3

✅ 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: LPN385350
Capacity: 3500mAh (typical) / 13.475Wh
Rated voltage: 3.85V
Charge limit voltage: 4.4V
Battery type: Li-ion Polymer (Grade A cells)
Dimensions: 64.60 × 56.20 × 5.80 mm
Color: Black
Compatible with: CROSSCALL TREKKER X3
Package include: 1 x battery
Restore the reliable battery performance of your CROSSCALL TREKKER X3 with this LPN385350 3500mAh replacement battery. The TREKKER X3 is a rugged smartphone built for demanding environments, and its 3500mAh battery is designed to deliver dependable endurance for outdoor work, travel, and daily use. After 1-2 years of regular charging cycles, the original battery’s capacity naturally declines. This Li-ion Polymer battery restores the full 3500mAh capacity, bringing back the consistent daily endurance your device was built for. Built with Grade A cells and multi-layer safety protection against overcharge, over-discharge, and short circuits. CE, RoHS, and UN38.3 certified.
Designed for Reliable Daily Use: The 3500mAh battery in the CROSSCALL TREKKER X3 originally provided dependable endurance for calls, messaging, navigation, and daily tasks in demanding conditions. After years of charging cycles, battery capacity degrades significantly. Common symptoms include: the device requiring more frequent charging than when new, unexpected shutdowns at 15-20% battery remaining, slower charging than when new, or visible battery swelling. This replacement restores the original endurance, allowing you to continue using your CROSSCALL TREKKER X3 without interruption. The LPN385350 battery uses advanced high-density cell technology with multi-layer safety protection, ensuring reliable performance for years to come.
Compatibility Note: Fits CROSSCALL TREKKER X3 only. Please confirm your battery model before ordering — LPN385350 is printed on your original battery. Verify that your current battery matches the model number, rated voltage (3.85V), and capacity (3500mAh / 13.475Wh). This device features IP68 water and dust resistance — professional installation is recommended to maintain the device’s sealing after battery replacement. Using an incorrect battery model may cause improper fit, charging issues, or incorrect battery reporting.

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Frequently Asked Questions

The LPN385350 3500mAh battery for CROSSCALL TREKKER X3 is compatible with CROSSCALL TREKKER X3 only. If you need a CROSSCALL TREKKER X3 battery replacement, this LPN385350 3500mAh battery is the exact match. For LPN385350 battery for CROSSCALL TREKKER X3 compatibility, please verify your device model in Settings > About Phone or check the label on your original battery — the model number LPN385350 is printed there. The CROSSCALL TREKKER X3 is a rugged smartphone designed for outdoor use. If your CROSSCALL TREKKER X3 battery no longer holds charge as it did when new or shuts down unexpectedly, this LPN385350 replacement battery will restore the full performance.

The LPN385350 3500mAh battery for CROSSCALL TREKKER X3 has a typical capacity of 3500mAh (13.475Wh) and a rated voltage of 3.85V, with a charge limit of 4.4V. This LPN385350 3.85V 3500mAh Li-ion Polymer battery is built with Grade A cells and is CE, RoHS, and UN38.3 certified. LPN385350 battery specifications include dimensions of 64.60 × 56.20 × 5.80 mm. For best performance, allow 2-3 full charge cycles after installation to calibrate the battery meter. If your original CROSSCALL TREKKER X3 battery now requires more frequent charging than when new, this replacement will restore the original capacity.

Professional CROSSCALL TREKKER X3 battery installation is recommended. The CROSSCALL TREKKER X3 is a rugged device with IP68 water and dust resistance. To replace CROSSCALL TREKKER X3 battery LPN385350, the technician must carefully open the device following proper procedures to avoid damaging the sealing, disconnect the battery's small 2-pin connector, remove the old battery, and install the new LPN385350 battery before resealing the device with proper gaskets and adhesive. For LPN385350 battery installation CROSSCALL TREKKER X3, improper handling can damage the water resistance seal or compromise the device's protection. Water resistance maintenance is critical — after battery replacement, the device must be properly resealed to preserve IP68 protection. Authorized service centers are recommended. For CROSSCALL TREKKER X3 battery health maintenance: 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 3500mAh 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 CROSSCALL TREKKER X3 battery care tips, stop using immediately if the battery shows any swelling.

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