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CA54310-0078 1500mAh 3.8V Li-ion Polymer replacement battery for Fujitsu F37 docomo F-01M, front view showing battery surface and small 2-pin connector

CA54310-0078 1500mAh 3.8V Battery for Fujitsu F37 F-01M Replacement

Original price was: $26.99.Current price is: $21.99.

🔘 CA54310-0078 1500mAh 3.8V | 🔋 Li-ion Polymer | 📱 For Fujitsu F37 F-01M

8 in stock

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SKU: CA54310-0078 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, 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

✅ 1500mAh High Capacity – Restores full battery life for Fujitsu F37

✅ 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: CA54310-0078 / AAF29381
Capacity: 1500mAh (typical) / 5.7Wh
Rated voltage: 3.8V
Charge limit voltage: 4.35V
Battery type: Li-ion Polymer (Grade A cells)
Compatible with: Fujitsu F37 (NTT docomo らくらくホン F-01M)
Package include: 1 x battery
Restore the reliable battery performance of your Fujitsu F37 with this CA54310-0078 1500mAh replacement battery. The Fujitsu F37 (also known as docomo らくらくホン F-01M) is a feature phone designed for users who need dependable daily communication. After 1-2 years of regular charging cycles, the original battery’s capacity naturally declines. This Li-ion Polymer battery restores the full 1500mAh 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 1500mAh battery in the Fujitsu F37 originally provided dependable endurance for calls, messaging, and daily tasks. 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 Fujitsu F37 without interruption. The CA54310-0078 battery uses advanced cell technology with multi-layer safety protection, ensuring reliable performance for years to come.
Compatibility Note: Fits Fujitsu F37 (NTT docomo らくらくホン F-01M) only. Please confirm your battery model before ordering — CA54310-0078 or AAF29381 is printed on your original battery. This battery is NOT compatible with Fujitsu F-03L, Fujitsu F-41C, or other Fujitsu models. The Fujitsu F37 uses a specific 1500mAh battery with precise dimensions; using a different battery model may cause improper fit, charging issues, or incorrect battery reporting.

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Frequently Asked Questions

The CA54310-0078 battery for Fujitsu F37 is compatible with Fujitsu F37 (NTT docomo らくらくホン F-01M) only. If you need a Fujitsu F37 battery replacement, this CA54310-0078 1500mAh battery is the exact match. For CA54310-0078 battery for Fujitsu F37 compatibility, please verify your device model by checking the label under the battery or in Settings — the model number is printed there. This battery is NOT compatible with Fujitsu F-03L, Fujitsu F-41C, or other Fujitsu models. If your Fujitsu F37 battery no longer holds charge as it did when new or shuts down unexpectedly, this CA54310-0078 replacement battery will restore the full performance.

The CA54310-0078 1500mAh battery for Fujitsu F37 has a typical capacity of 1500mAh (5.7Wh) and a rated voltage of 3.8V, with a charge limit of 4.35V. This CA54310-0078 3.8V 1500mAh Li-ion Polymer battery is built with Grade A cells and is CE, RoHS, and UN38.3 certified. The AAF29381 battery shares the same specifications. For best performance, allow 2-3 full charge cycles after installation to calibrate the battery meter. If your original battery now requires more frequent charging than when new, this replacement will restore the original capacity.

Professional Fujitsu F37 battery installation is recommended. The Fujitsu F37 has a sealed design with removable back cover access. To replace Fujitsu F37 battery CA54310-0078, the technician must power off the device, remove the back cover, disconnect the battery's small 2-pin connector, remove the old battery, and install the new CA54310-0078 battery before reassembling the device. For CA54310-0078 battery installation Fujitsu F37, improper handling can damage the connector or device. For 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 1500mAh 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 battery care tips, stop using immediately if the battery shows any swelling.

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