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300mAh 3.8V Li-ion Polymer replacement battery for APack APP00277 smart watch, front view showing battery surface and small 2-pin connector
300mAh 3.8V replacement battery for APack APP00277 smart watch, back view showing model number 1ICP4/24/28, capacity 300mAh, and voltage 3.8V on spec label

300mAh 3.8V Battery for APack APP00277 Smart Watch Replacement

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

🔘 1ICP4/24/28 300mAh 3.8V | 🔋 Li-ion Polymer | 📱 For APack APP00277 Smart Watch

8 in stock

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SKU: APP00277 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.

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Description

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

✅ 300mAh High Capacity – Restores full battery life for APack APP00277 Smart Watch

✅ 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: 1ICP4/24/28
Capacity: 300mAh (typical) / 1.14Wh
Rated voltage: 3.8V
Charge limit voltage: 4.35V
Battery type: Li-ion Polymer (Grade A cells)
Compatible with: APack APP00277 Smart Watch
Package include: 1 x battery
Restore the reliable performance of your APack APP00277 smart watch with this 300mAh replacement battery. The APack APP00277 is a compact smart watch designed for daily activity tracking, heart rate monitoring, and notification alerts. After extended daily charging cycles, the factory battery capacity naturally degrades. This Li‑ion Polymer battery restores the full 300mAh capacity, bringing back the dependable runtime 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 APack APP00277 smart watch is built around a 300mAh battery that delivers reliable daily performance. After extensive use, the original battery capacity degrades significantly. Common symptoms include: the watch requiring more frequent charging, shorter runtime than when new, unexpected shutdowns during use, or visible battery swelling. This 1ICP4/24/28 replacement battery restores the factory‑spec 300mAh capacity. 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 APack APP00277 smart watch with original battery model 1ICP4/24/28. Please confirm your battery model before ordering — 1ICP4/24/28 is printed on your original battery. This battery is NOT compatible with other APack watch models or other smart watches. Professional installation is recommended as the battery is not user‑replaceable; improper handling may damage the device.

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Frequently Asked Questions

The 300mAh 3.8V battery replacement is compatible with APack APP00277 smart watch using original battery model 1ICP4/24/28. If you need a 300mAh battery for APack APP00277 or a APack APP00277 smart watch battery replacement, this 1ICP4/24/28 battery is the exact match. For 300mAh battery compatibility, please verify your battery model printed on the original unit — 1ICP4/24/28 is the correct model for this device. This battery is NOT compatible with other APack watch models or other smart watches. If your current APack APP00277 watch battery now drains quickly or shuts down unexpectedly, this 3.8V 300mAh Li‑ion Polymer battery will restore full runtime and reliability.

The 300mAh 3.8V battery for APack APP00277 has a typical capacity of 300mAh (1.14Wh) and a rated voltage of 3.8V, with a charge limit of 4.35V. This 3.8V 300mAh Li‑ion Polymer battery is built with grade A cells and is CE, RoHS, and UN38.3 certified. For 300mAh battery performance, the battery restores the factory runtime that the APack APP00277 smart watch is known for. For best 300mAh battery performance APack APP00277, allow 2‑3 full charge cycles after installation to calibrate the battery meter. If your original APack APP00277 battery now requires more frequent charging instead of lasting as it did when new, this replacement will restore the full 300mAh capacity and stable voltage output.

Professional 300mAh battery installation is recommended for APack APP00277 smart watch. The device has a sealed design that requires careful opening. To replace 300mAh battery in APack APP00277, the technician must carefully open the watch casing to avoid damaging the display or internal components, disconnect the battery's small 2‑pin connector, remove the old battery, and install the new 1ICP4/24/28 battery before resealing the device. For 300mAh battery installation, improper handling can damage the device's display or internal components. For 300mAh battery health maintenance and APack APP00277 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 300mAh cell. 3) Avoid exposing the watch 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 watch until it auto‑shuts off, then charge uninterrupted to 100%. For 300mAh battery care tips APack APP00277, stop using immediately if the battery shows any swelling.

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