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CA54310-0080 4000mAh 3.85V Li-ion replacement battery for Fujitsu Arrows We F-51B, front view showing battery label and connector flex cable

CA54310-0080 4000mAh 3.85V Li-ion Replacement Battery for Fujitsu Arrows We F-51B

Original price was: $29.99.Current price is: $24.99.

🔘 CA54310-0080 4000mAh 3.85V | 🔋 Li-ion | 📱 Compatible with Fujitsu Arrows We F-51B

8 in stock

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SKU: CA54310-0080 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
Ireland, Austria, Belgium, Poland, Denmark, Switzerland, Portugal, Norway, Slovakia, Spain, Hungary, Italy, Czech Republic, Luxembourg, Netherlands, Sweden, Cyprus$8.0018–30 days
Croatia, Finland, Lithuania, Latvia, Slovenia$8.0030–50 days
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.

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Description

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

✅ CE / RoHS / UN38.3 Certified

✅ Built‑in Overcharge / Over‑discharge / Short Circuit Protection

✅ 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: CA54310-0080
Capacity: 4000mAh (Typical) / 15.48Wh
Rated voltage: 3.85V
Charge limit voltage: 4.4V
Battery type: Li-ion
Cycle life: 500+ cycles retains ≥80% capacity
Certifications: CE / RoHS / UN38.3
Compatible with: Fujitsu Arrows We F-51B — 5.7-inch HD+ display, Qualcomm Snapdragon 480 processor, 4GB RAM, 64GB storage, IPX5/IPX8 water resistant (washable with soap and water), MIL-STD-810H certified, USB Type-C (USB 3.1), supports PD/PPS fast charging
Package include: 1 x battery
Keep your Fujitsu Arrows We F-51B running throughout the day with this CA54310-0080 4000mAh replacement battery. The Arrows We F-51B was released in December 2021, featuring a 5.7-inch HD+ display, Qualcomm Snapdragon 480 5G processor, and IPX5/IPX8 water resistance — allowing the phone to be washed with soap and water for hygiene maintenance. This Li-ion battery delivers the factory-rated 4000mAh capacity. For reference, third-party retailers sell this battery for approximately $18 to $36.
Built with Grade A Li-ion cells and multi-layer safety protection against overcharge, over-discharge, short circuit, and overcurrent. CE, RoHS, and UN38.3 certified for safe transport and use. The device supports PD/PPS fast charging via USB Type-C — with a compatible PD charger (20W), charging time can be reduced compared to standard chargers. With a cycle life of 500+ full charge cycles, this replacement battery is designed for long-term reliability. Professional installation is recommended as the battery is not user‑replaceable — the phone has a sealed design with strong adhesive.
Compatibility Note: Please power down your device and check your original battery label before ordering. This battery is compatible with Fujitsu Arrows We F-51B only. The phone has an IPX5/IPX8 water resistance rating — professional installation is strongly recommended to maintain this protection after replacement. The phone has no official IP water resistance rating? — please refer to manufacturer specifications.
Battery Care Tips: Avoid full discharge — keep battery level above 20%. Do not expose to high temperatures or direct sunlight. New batteries require 3-5 full charge cycles to reach optimal capacity. For best charging performance, use a certified PD/PPS fast charger (20W recommended). If you don‘t use the device for a long time, store it in a dry and cool place and charge it fully once every three months. If you notice swelling or overheating, stop use immediately.

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Frequently Asked Questions

The CA54310-0080 battery for Fujitsu Arrows We F-51B is compatible with Fujitsu Arrows We F-51B only. The Arrows We F-51B was released in December 2021, featuring a 5.7-inch HD+ display, Qualcomm Snapdragon 480 5G processor, 4GB RAM, 64GB storage, IPX5/IPX8 water resistance (washable with soap and water), MIL-STD-810H military-grade durability certification, and supports PD/PPS fast charging via USB Type-C. This CA54310-0080 Li-ion replacement battery for Fujitsu F-51B delivers the factory-rated 4000mAh capacity. If your Fujitsu Arrows We F-51B battery replacement is needed because the phone drains quickly or won't hold a charge, this is the correct battery. Please verify your device model and check the battery model CA54310-0080 printed on your existing battery before purchasing.

The CA54310-0080 4000mAh 3.85V battery has a typical capacity of 4000mAh (15.48Wh) and a rated voltage of 3.85V. Charge limit voltage is 4.4V. The CA54310-0080 4000mAh Li-ion battery is built with Grade A cells and is CE, RoHS, and UN38.3 certified. The CA54310-0080 battery with 15.48Wh energy supports PD/PPS fast charging via USB Type-C — when paired with a compatible PD charger (20W recommended), the Arrows We F-51B can achieve faster charging speeds than standard chargers. According to official specifications, the phone is compatible with USB PD (Revision 3.0) and PPS (Programmable Power Supply). With a cycle life of 500+ full charge cycles, this CA54310-0080 replacement battery is designed for long-term durability. For best results, always use a certified PD/PPS fast charger that supports 20W output.

Professional installation is strongly recommended for Fujitsu Arrows We F-51B battery replacement. The Arrows We F-51B has a sealed design with a plastic back cover secured by strong adhesive — the battery is not user‑replaceable. The phone is rated IPX5/IPX8 water resistant (can be washed with soap and water) and has passed MIL-STD-810H durability tests. The process to replace CA54310-0080 battery in Fujitsu Arrows We F-51B requires heating to soften adhesive, careful prying to avoid damaging the display or back cover, and proper resealing with fresh adhesive to maintain IPX5/IPX8 water resistance after replacement. Water resistance may be compromised if the phone is not properly resealed. If you choose DIY phone battery replacement, watch a full teardown tutorial before starting, use a heat gun at low temperature (no more than 70°C), use plastic tools to avoid damaging internal components, and never reuse a battery after removal. Third-party repair shops typically charge $15‑30 for labor.

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