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S97 21000mAh 3.87V Li-ion Polymer replacement battery for Oukitel WP19 and WP97, bare cell without label, front view showing battery surface and small 2-pin connector

S97 21000mAh 3.87V Battery for Oukitel WP19 WP97 Replacement

Original price was: $82.99.Current price is: $69.99.

🔘 S97 21000mAh 3.87V | 🔋 Li-ion Polymer | 📱 For Oukitel WP19 / WP97 (Bare Cell, No Label)

8 in stock

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SKU: S97 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

✅ 21000mAh High Capacity – Restores full battery life for Oukitel WP19 / WP97

✅ 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: S97 / 1ICP19/65/19
Encoding: 2509BA0989M_Te
Capacity: 21000mAh (typical) / 81.27Wh
Rated voltage: 3.87V
Charge limit voltage: 4.45V
Battery type: Li-ion Polymer (Grade A cells)
Product condition: Bare cell, no label (no label paper attached)
Compatible with: Oukitel WP19, Oukitel WP97
Package include: 1 x battery
Restore the reliable battery performance of your Oukitel WP19 or WP97 with this S97 21000mAh replacement battery. The Oukitel WP19 is a rugged flagship smartphone featuring a 6.78-inch FHD+ display, powered by the MediaTek Helio G95 processor with 8GB RAM and 256GB storage. After 1-2 years of regular charging cycles, the original battery’s capacity naturally declines. This Li-ion Polymer battery restores the full 21000mAh capacity, bringing back the multi-day 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.
Important Note — Bare Cell: This battery is supplied as a bare cell without a label paper attached. The model number S97 and specifications are not printed on the battery surface. Please verify compatibility using your device model and the original battery’s physical dimensions before installation. If you have any doubts, please contact us with your device model for confirmation.
Designed for Reliable Daily Use: The 21000mAh battery in the Oukitel WP19 originally provided exceptional endurance for outdoor activities, field work, and heavy daily usage, supporting 33W fast charging and reverse charging for powering other devices. The battery has a rated cycle life of approximately 500-800 cycles. 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 Oukitel device without interruption. The S97 battery uses advanced high-density cell technology with multi-layer safety protection, ensuring reliable performance for years to come.
Compatibility Note: Fits Oukitel WP19 and Oukitel WP97 only. This battery is a bare cell without a label — the model number S97 is not printed on the surface. Please confirm your device model and compare the physical dimensions of your original battery before ordering. Verify that your current battery matches the rated voltage (3.87V) and capacity (21000mAh / 81.27Wh). Using an incorrect battery model may cause improper fit, charging issues, or incorrect battery reporting.

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Frequently Asked Questions

The S97 battery for Oukitel WP19 is compatible with Oukitel WP19 and Oukitel WP97. If you need an Oukitel WP19 battery replacement or Oukitel WP97 battery replacement, this S97 21000mAh battery is the exact match. For S97 battery for Oukitel WP19 compatibility, please verify your device model in Settings > About Phone or compare the physical dimensions of your original battery. Important: This is a bare cell without a label — the model number S97 is not printed on the battery surface. The Oukitel WP19 features a 6.78-inch FHD+ display and Helio G95 processor. If your Oukitel WP19 battery no longer holds charge as it did when new or shuts down unexpectedly, this S97 replacement battery will restore the full performance.

The S97 21000mAh battery for Oukitel WP19 has a typical capacity of 21000mAh (81.27Wh) and a rated voltage of 3.87V, with a charge limit of 4.45V. This S97 3.87V 21000mAh Li-ion Polymer battery is built with Grade A cells and is CE, RoHS, and UN38.3 certified. S97 battery specifications include a rated cycle life of approximately 500-800 charge cycles. The Oukitel WP19 battery supports 33W fast charging and reverse charging. Important: This battery is a bare cell without a label paper attached — the specifications are not printed on the battery surface. 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 Oukitel WP19 battery installation is recommended. The Oukitel WP19 is a rugged device with IP68/IP69K water and dust resistance and MIL-STD-810H certification. To replace Oukitel WP19 battery S97, the technician must carefully open the device following proper procedures to avoid damaging the sealing, disconnect the battery's small 2-pin connector, remove the old battery, and install the new S97 battery before resealing the device with proper gaskets and adhesive. Important: This S97 battery is a bare cell without a label — ensure correct orientation during installation. For S97 battery installation Oukitel WP19, improper handling can damage the water resistance seal or compromise the device's MIL-STD-810H protection. Water resistance maintenance is critical — after battery replacement, the device must be properly resealed to preserve IP68/IP69K protection. Authorized service centers are recommended. For Oukitel WP19 battery health maintenance: 1) Use the original 33W charger and cable for optimal charging. 2) Keep battery level between 20% and 80% for daily use to maximize the lifespan of the 21000mAh 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 Oukitel WP19 battery care tips, stop using immediately if the battery shows any swelling.

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