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Cpld-428 4070mAh 3.85V Li-ion Polymer replacement battery for Coolpad C3705A, front view showing battery surface and small 2-pin connector
Cpld-428 4070mAh 3.85V replacement battery for Coolpad C3705A, back view showing model number Cpld-428, capacity 4070mAh, and voltage 3.85V on spec label

Cpld-428 4070mAh 3.85V Battery for Coolpad C3705A Replacement

Original price was: $26.99.Current price is: $19.99.

🔘 Cpld-428 4070mAh 3.85V | 🔋 Li-ion Polymer | 📱 For Coolpad C3705A Fast Charging

8 in stock

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SKU: Cpld-428 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

✅ 4070mAh High Capacity – Restores full battery life for Coolpad C3705A

✅ 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: Cpld-428
Capacity: 4070mAh (typical) / 15.67Wh
Rated voltage: 3.85V
Charge limit voltage: 4.4V
Battery type: Li-ion Polymer (Grade A cells)
Compatible with: Coolpad C3705A
Package include: 1 x battery
Restore the reliable performance of your Coolpad C3705A with this Cpld-428 4070mAh replacement battery. The Coolpad C3705A is a 4G smartphone designed for users who value dependable battery life. After extensive daily charging cycles, the factory battery capacity naturally degrades. This Li‑ion Polymer battery restores the full 4070mAh capacity, bringing back the reliable endurance this device was 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.
Designed for Reliable Daily Performance: The Coolpad C3705A is built around a 4070mAh battery that delivers solid all‑day endurance for communication, browsing, and daily tasks. After extended use, the original battery capacity degrades significantly. Common symptoms include: the device requiring more frequent charging, unexpected shutdowns at 15‑25% battery remaining, slower charging than when new, or visible battery swelling. This Cpld-428 replacement battery restores the factory‑spec 4070mAh capacity and supports the original fast charging capability. 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 Coolpad C3705A only. Please confirm your battery model before ordering — Cpld-428 is printed on your original battery. This battery is NOT compatible with Coolpad C3705, Coolpad C3707, or other Coolpad models. The Coolpad C3705A uses a distinct 4070mAh 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 Cpld-428 4070mAh battery replacement is compatible with Coolpad C3705A only. If you need a Cpld-428 battery for Coolpad C3705A or a Coolpad C3705A battery replacement, this Cpld-428 4070mAh battery is the exact match. For Cpld-428 battery compatibility, please verify your battery model printed on the original unit — Cpld-428 is the correct model for this device. This battery is NOT compatible with Coolpad C3705, Coolpad C3707, or other Coolpad models. If your current Coolpad C3705A battery now drains quickly or shuts down unexpectedly, this Cpld-428 3.85V 4070mAh Li‑ion Polymer battery will restore full endurance and reliability.

The Cpld-428 4070mAh battery for Coolpad C3705A has a typical capacity of 4070mAh (15.67Wh) and a rated voltage of 3.85V, with a charge limit of 4.4V. This Cpld-428 3.85V 4070mAh Li‑ion Polymer battery is built with grade A cells and is CE, RoHS, and UN38.3 certified. For Cpld-428 battery performance, the battery supports the original fast charging capability of the Coolpad C3705A. For best Cpld-428 battery performance Coolpad C3705A, allow 2‑3 full charge cycles after installation to calibrate the battery meter. If your original Coolpad C3705A battery now requires more frequent charging instead of lasting as it did when new, this replacement will restore the full 4070mAh capacity and stable voltage output.

Professional Cpld-428 battery installation is recommended for Coolpad C3705A. The device has a sealed design with strong adhesive. To replace Cpld-428 battery in Coolpad C3705A, the technician must heat the back cover to soften adhesive, carefully pry it open to avoid damaging the display or internal components, disconnect the battery's small 2‑pin connector, remove the old battery, and install the new Cpld-428 battery before resealing. For Cpld-428 battery installation, improper handling can damage the display or internal components. For Cpld-428 battery health maintenance and Coolpad C3705A 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 4070mAh cell. 3) Avoid exposing the phone 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 phone until it auto‑shuts off, then charge uninterrupted to 100%. For Cpld-428 battery care tips Coolpad C3705A, stop using immediately if the battery shows any swelling.

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