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B-S9 4500mAh 7.78V Li-ion Polymer replacement battery for iQOO Neo 5S V2154A, front view showing dual-cell battery assembly and small 2-pin connector

B-S9 4500mAh 7.78V Battery for iQOO Neo 5S V2154A Replacement

Original price was: $38.99.Current price is: $32.99.

🔘 B-S9 4500mAh 7.78V | 🔋 Li-ion Polymer | 📱 For iQOO Neo 5S V2154A

8 in stock

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SKU: B-S9 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, 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

✅ 4500mAh High Capacity – Restores full battery life for iQOO Neo 5S

✅ 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: B-S9
Typical Capacity: 2250mAh × 2 (7.78V) / 4500mAh equivalent (3.89V) / 17.50Wh
Rated Capacity: 2190mAh × 2 (7.78V) / 4380mAh equivalent (3.89V) / 17.03Wh
Rated voltage: 7.78V (dual-cell series configuration)
Charge limit voltage: 4.45V per cell
Battery type: Li-ion Polymer (Grade A cells, dual-cell configuration)
Compatible with: iQOO Neo 5S (V2154A / I2109)
Package include: 1 x battery (dual-cell assembly)
Restore the reliable battery performance of your iQOO Neo 5S with this B-S9 4500mAh replacement battery. The iQOO Neo 5S features a 6.62-inch AMOLED display with 120Hz refresh rate and is powered by the Qualcomm Snapdragon 888 processor with 8GB RAM. After 1-2 years of regular charging cycles, the original battery’s capacity naturally declines. This Li-ion Polymer battery restores the full 4500mAh equivalent capacity (2250mAh × 2 dual-cell configuration), 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 iQOO Neo 5S uses a dual-cell battery system with two 2250mAh cells in series, providing a combined 4500mAh equivalent capacity at 3.89V (7.78V rated voltage). This configuration supports 66W FlashCharge for rapid recharging. 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 iQOO Neo 5S without interruption. The B-S9 battery uses advanced high-density cell technology with multi-layer safety protection, ensuring reliable performance for years to come.
Compatibility Note: Fits iQOO Neo 5S (models V2154A and I2109) only. Please confirm your battery model before ordering — B-S9 is printed on your original battery. The iQOO Neo 5S uses a dual-cell battery design with two 2250mAh cells in series. This battery is NOT compatible with iQOO Neo 5, iQOO Neo 5 SE, or other iQOO models. Using a different battery model may cause improper fit, charging issues, or incorrect battery reporting.

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Frequently Asked Questions

The B-S9 battery for iQOO Neo 5S is compatible with iQOO Neo 5S (models V2154A and I2109) only. If you need an iQOO Neo 5S battery replacement, this B-S9 4500mAh battery is the exact match. For B-S9 battery for iQOO Neo 5S compatibility, please verify your device model in Settings > About Phone or check the label on your original battery — the model number B-S9 is printed there. The iQOO Neo 5S uses a dual-cell design with two 2250mAh cells in series. This battery is NOT compatible with iQOO Neo 5, iQOO Neo 5 SE, or other iQOO models. If your iQOO Neo 5S battery no longer holds charge as it did when new or shuts down unexpectedly, this B-S9 replacement battery will restore the full performance.

The B-S9 4500mAh battery for iQOO Neo 5S features a dual-cell series configuration with two 2250mAh cells (7.78V rated voltage), providing a total equivalent capacity of 4500mAh at 3.89V (17.50Wh typical energy). Rated capacity is 2190mAh × 2, equivalent to 4380mAh (17.03Wh). This B-S9 7.78V 4500mAh Li-ion Polymer battery uses a dual-cell design — two cells connected in series produce the combined 4500mAh equivalent capacity at the rated 3.89V output. It is built with Grade A cells and is CE, RoHS, and UN38.3 certified. The iQOO Neo 5S battery supports 66W FlashCharge. 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 iQOO Neo 5S battery installation is recommended. The iQOO Neo 5S has a sealed design with an internal dual-cell battery. To replace iQOO Neo 5S battery B-S9, the technician must heat the back cover to soften adhesive, carefully pry it open to avoid damaging the AMOLED display or frame, disconnect the battery's small 2-pin connector, remove the old dual-cell battery assembly, and install the new B-S9 battery before resealing the device. For B-S9 battery installation iQOO Neo 5S, improper handling can damage the display or compromise the device's sealing. Authorized service centers are recommended. For iQOO Neo 5S battery health maintenance: 1) Use the original 66W FlashCharge charger and cable for optimal charging. 2) Keep battery level between 20% and 80% for daily use to maximize the lifespan of both cells. 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 iQOO Neo 5S battery care tips, stop using immediately if the battery shows any swelling.

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