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NT03 5000mAh 3.89V Battery for Nothing Phone 2a / 2a Plus / CMF Phone 1 Replacement

Original price was: $25.99.Current price is: $19.99.

🔘 NT03 5000mAh 3.89V | 🔋 Li-ion Polymer | 📱 For Nothing Phone 2a / 2a Plus / CMF Phone 1

8 in stock

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📦 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

5000mAh High Capacity – Restores full battery life for Nothing Phone 2a, 2a Plus, and CMF Phone 1

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: NT03
Capacity: 5000mAh (typical) / 19.45Wh
Rated voltage: 3.89V
Charge limit voltage: 4.45V
Battery type: Li-ion Polymer (Grade A cells)
Compatible with: Nothing Phone 2a, Nothing Phone 2a Plus, Nothing CMF Phone 1
Package include: 1 x battery
Bring your Nothing device back to life with this NT03 5000mAh replacement battery. Nothing has quickly become a standout brand in the smartphone industry, known for its distinctive transparent design language and glyph interface. The Nothing Phone 2a and 2a Plus deliver a balanced mid-range experience with impressive battery endurance, while the CMF Phone 1 offers exceptional value with its modular design and 5000mAh capacity. This Li-ion Polymer battery restores the full 5000mAh capacity for all-day usage and supports the original fast charging protocols. 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 Extended Battery Life: The Nothing Phone 2a, 2a Plus, and CMF Phone 1 are designed for users who value long-lasting battery performance. The 5000mAh battery originally provided approximately 1.5-2 days of moderate use and up to 18-20 hours of continuous video playback. After years of charging cycles, battery capacity degrades significantly. Common symptoms include: the device requiring daily charging instead of every other day, unexpected shutdowns at 15-25% battery remaining, slower charging than when new, or visible battery swelling. This replacement restores the original endurance, allowing you to continue enjoying the reliable battery life these devices were built for. The NT03 battery uses advanced high-density cell technology with multi-layer safety protection, ensuring reliable performance for years to come.
Compatibility Note: Fits Nothing Phone 2a, Nothing Phone 2a Plus, and Nothing CMF Phone 1 only. Please confirm your battery model before ordering — NT03 is printed on your original battery. This battery is NOT compatible with Nothing Phone 1, Nothing Phone 2, Nothing Phone 3, Nothing Phone 3a, or other Nothing models. The NT03 battery is specifically designed for the 2a series and CMF Phone 1; using a different battery model may cause charging issues or incorrect battery reporting.


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Frequently Asked Questions

The NT03 5000mAh battery replacement is compatible with Nothing Phone 2a, Nothing Phone 2a Plus, and Nothing CMF Phone 1 only. If you need an NT03 battery for Nothing Phone 2a or an NT03 battery for CMF Phone 1, this replacement battery is the exact match. The Nothing Phone 2a and 2a Plus share the same battery design with the CMF Phone 1, making the NT03 5000mAh Nothing battery a direct drop-in replacement for all three devices. For NT03 battery compatibility Nothing Phone 2a, please verify your device model in Settings > About Phone. This battery is NOT compatible with Nothing Phone 1, Nothing Phone 2, Nothing Phone 3, Nothing Phone 3a, or other Nothing models. If your Nothing Phone 2a battery replacement or CMF Phone 1 battery replacement is needed because the original no longer holds charge, this NT03 3.89V 5000mAh Li-ion Polymer battery will restore full performance.

The NT03 5000mAh battery for Nothing Phone 2a and CMF Phone 1 has a typical capacity of 5000mAh (19.45Wh) and a rated voltage of 3.89V, with a charge limit of 4.45V. This NT03 3.89V 5000mAh Li-ion Polymer battery is built with grade A cells and is CE, RoHS, and UN38.3 certified. For NT03 battery life after replacement, expect approximately 1.5-2 days of moderate use on a single charge — restoring the factory endurance that made the Nothing Phone 2a and CMF Phone 1 famous for battery life. The NT03 5000mAh Nothing battery performance supports the original fast charging technology. For best NT03 battery performance Nothing Phone 2a, allow 2-3 full charge cycles after installation to calibrate the battery meter. If your original Nothing Phone 2a battery or CMF Phone 1 battery now requires daily charging instead of every other day, this replacement will restore the full 5000mAh capacity and fast charging speed.

Professional Nothing Phone 2a battery installation or CMF Phone 1 battery installation is recommended. The Nothing Phone 2a and CMF Phone 1 have a sealed design with strong adhesive. To replace Nothing Phone 2a battery NT03 or replace CMF Phone 1 battery NT03, the technician must heat the back cover to soften adhesive, carefully pry it open to avoid damaging internal components, disconnect the battery's small 2-pin connector, remove the old battery, and install the new NT03 battery before resealing. For NT03 battery installation Nothing Phone 2a, improper handling can damage the display or compromise the device's sealing. Third-party repair shops typically charge $20-35 for labor. For Nothing Phone 2a battery health maintenance and CMF Phone 1 battery care tips: 1) Use the original Nothing charger and cable for optimal charging. 2) Keep battery level between 20% and 80% for daily use to maximize the lifespan of the 5000mAh 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 NT03 battery care tips CMF Phone 1, stop using immediately if the battery shows any swelling.

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

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