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High-Capacity Replacement Lithium-Polymer Battery S85/WP10 — 8000mAh, 3.85V

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High-Capacity Replacement Lithium-Polymer Battery S85/WP10 — 8000mAh, 3.85V
$19.99

Availability: In stock

This high-capacity rechargeable Li-Polymer battery (Model S85/WP10) delivers dependable power for extended device use. With an 8000mAh capacity and a nominal voltage of 3.85V, it’s engineered for long runtime and stable performance. Built with multi-layer protection, the battery supports safe charging up to a 4.4V limit and includes standard safety markings for CE and disposal. Ideal as a direct replacement for compatible devices requiring the S85/WP10 form factor and connector. Please follow the device manufacturer’s instructions and the battery manual when installing or charging. Dispose of the battery responsibly according to local regulations.
Description

Details

Key Features / Bullet Points: Model: S85/WP10 (printed on label) Capacity: 8000mAh (high capacity for extended runtime) Nominal Voltage: 3.85V Energy: ~30.8Wh (approximate) Charging Limit Voltage: 4.4V (maximum recommended charging voltage) Battery Type: Rechargeable Li-Polymer (LiPo) Connector: Flat flex cable with 4-pin connector (see product photos) Certifications & Marks: CE and standard disposal symbols (see label) Rating / Safety: Built-in protections; follow manual before use Origin: Made in China (as printed on label) Specifications Table (attributes to add in Magento): SKU: S85-WP10-8000 Manufacturer Part Number: S85/WP10 Battery Type: Li-Polymer (LiPo) Capacity (mAh): 8000 Voltage (Nominal): 3.85 V Charge Voltage Limit: 4.4 V Watt-hours (Wh): 30.8 Wh (approx.) Connector Type: Flat flex cable, 4-pin (verify) Dimensions (L x W x H): [Insert measured mm — replace placeholder] Weight: [Insert measured g — replace placeholder] Warranty: [Insert warranty period — e.g., 6 months] Compliance: CE Country of Origin: China Safety Notes: Do not expose to fire or puncture; use compatible charger; follow manual. Installation & Usage Notes (short) Power off device before battery replacement. Use appropriate tools and a non-conductive workspace. Ensure connector alignment and firm seating; do not force. Charge with a compatible charger; do not exceed 4.4V. Recycle or dispose of battery according to local regulations. Packaging & Shipping Info (short): Packed in anti-static bag with protective padding. Shipped via ground/carrier with battery-safe packaging meeting transport rules. Batteries may be subject to hazardous-goods regulations for air shipping — check carrier rules.
Reviews

Customer Reviews 3 item(s)

Finally found a high-capacity replacement that actually works!
Finally found a high-capacity replacement that actually works! My old battery was degrading fast, but this new 8000mAh pack brings my device back to life. It’s lightweight yet packs a serious punch, making it perfect for travel. I’ve tested it extensively over the past week, and it handles heavy loads without overheating. Definitely worth the investment for enhanced durability and longer usage time.
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Review by Rodriguez / (Posted on 6/27/2026)
this is a smart upgrade
Great value for the price. I needed a reliable backup battery for my UPS S80/UBS S85 device, and this Li-Polymer unit delivers consistent performance. It holds its charge well even when not in use for a few days. The build quality feels solid, and the 3.85V output matches the original specifications perfectly. If you’re looking to extend the life of your power bank or UPS system, this is a smart upgrade.
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Review by Joshua / (Posted on 6/27/2026)
Highly recommended for anyone needing extended runtime!
I was struggling with my WP-10 running out of power during long outdoor trips, but this 8000mAh replacement battery has been a game-changer. The capacity is exactly as advertised, providing multiple full charges for my devices and lasting significantly longer than the original stock battery. Installation was straightforward, and it fits perfectly without any loose connections. Highly recommended for anyone needing extended runtime!
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Review by Jack / (Posted on 6/27/2026)

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