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LPN385375 3750mAh 3.85V Li-ion Polymer replacement battery for Crosscall Core X4, front view showing battery surface and small 2-pin connector

LPN385375 3750mAh 3.85V Battery for Crosscall Core X4 Replacement

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

🔘 LPN385375 3750mAh 3.85V | 🔋 Li-ion Polymer | 📱 For Crosscall Core X4

8 in stock

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SKU: LPN385375 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

✅ 3750mAh High Capacity – Restores full battery life for Crosscall Core X4

✅ 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: LPN385375 / COX4BAT100
Typical Capacity: 3750mAh (typical) / 13.48Wh
Rated Capacity: 3500mAh (rated)
Rated voltage: 3.85V
Charge limit voltage: 4.4V
Battery type: Li-ion Polymer (Grade A cells)
Dimensions: 69.80 × 55.90 × 5.65 mm
Color: Black
Compatible with: Crosscall Core X4
Package include: 1 x battery
Restore the reliable battery performance of your Crosscall Core X4 with this LPN385375 3750mAh replacement battery. The Core X4 is a rugged smartphone built for demanding environments, featuring IP68 water and dust resistance and MIL-STD-810G certification. After 1-2 years of regular charging cycles, the original battery’s capacity naturally declines. This Li-ion Polymer battery restores the full 3750mAh typical 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 3750mAh battery in the Crosscall Core X4 originally provided dependable endurance for outdoor work, travel, and heavy daily usage, supporting fast charging for quick recharging. 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 Core X4 without interruption. The LPN385375 battery uses advanced high-density cell technology with multi-layer safety protection, ensuring reliable performance for years to come.
Compatibility Note: Fits Crosscall Core X4 only. Please confirm your battery model before ordering — LPN385375 or COX4BAT100 is printed on your original battery. Verify that your current battery matches the model number, rated voltage (3.85V), and capacity (3750mAh / 13.48Wh). 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 LPN385375 3750mAh battery for Crosscall Core X4 is compatible with Crosscall Core X4 only. If you need a Crosscall Core X4 battery replacement, this LPN385375 3750mAh battery is the exact match. For LPN385375 battery for Crosscall Core X4 compatibility, please verify your device model in Settings > About Phone or check the label on your original battery — the model number LPN385375 or COX4BAT100 is printed there. The Crosscall Core X4 is a rugged smartphone designed for outdoor use with IP68 water and dust resistance. If your Crosscall Core X4 battery no longer holds charge as it did when new or shuts down unexpectedly, this LPN385375 replacement battery will restore the full performance.

The LPN385375 3750mAh battery for Crosscall Core X4 has a typical capacity of 3750mAh (13.48Wh) and a rated capacity of 3500mAh, with a rated voltage of 3.85V and a charge limit of 4.4V. This LPN385375 3.85V 3750mAh Li-ion Polymer battery is built with Grade A cells and is CE, RoHS, and UN38.3 certified. LPN385375 battery specifications include dimensions of 69.80 × 55.90 × 5.65 mm and a weight of approximately 77.4g. For best performance, allow 2-3 full charge cycles after installation to calibrate the battery meter. If your original Crosscall Core X4 battery now requires more frequent charging than when new, this replacement will restore the original capacity.

Professional Crosscall Core X4 battery installation is recommended. The Crosscall Core X4 is a rugged device with IP68 water and dust resistance and MIL-STD-810G certification. To replace Crosscall Core X4 battery LPN385375, 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 LPN385375 battery before resealing the device with proper gaskets and adhesive. For LPN385375 battery installation Crosscall Core X4, 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 Core X4 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 3750mAh 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 Core X4 battery care tips, stop using immediately if the battery shows any swelling.

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