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text BL-49S-976546 5000mAh 3.85V Li-Polymer replacement battery for Nubia V70 Design Z2458 and ZTE Blade V70 Design, front view on white background showing battery surface and connector flex cable
text BL-49S-976546 5000mAh 3.85V replacement battery for Nubia V70 Design Z2458 and ZTE Blade V70 Design, back view showing model number BL-49S-976546, capacity 5000mAh, and voltage 3.85V on spec label

BL-49S-976546 5000mAh 3.85V Li-Polymer Replacement Battery for Nubia V70 Design Z2458 Blade V70 22.5W

Original price was: $17.99.Current price is: $13.99.

🔘 BL-49S-976546 5000mAh 3.85V | 🔋 Li-Polymer | 📱 Compatible with Nubia V70 Design Z2458 / Blade V70 22.5W

8 in stock

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SKU: BL-49S-976546 Category: Tags: , ,

Description

Battery model: BL-49S-976546

Capacity: 5000mAh / 19.25Wh

Rated voltage: 3.85V

Charge limit voltage: 4.4V

Battery type: Li-Polymer / Li-ion

Compatible with: Nubia V70 Design (Z2458), ZTE Blade V70 Design, Nubia V70D, ZTE Blade V70 Vita

Package include: 1 x battery

Revitalize your Nubia V70 Design with this BL-49S-976546 5000mAh replacement battery. Released in November 2024, the Nubia V70 Design features a 6.7-inch 120Hz HD+ IPS display, Unisoc T606 octa-core processor, and supports 22.5W fast charging. This Li-Polymer battery delivers the factory-rated 5000mAh capacity for extended all-day usage, allowing you to browse, stream, and stay connected longer without reaching for a charger.

Built with grade A Li-Polymer 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. This BL-49S-976546 replacement battery features integrated power management circuits to protect against over-voltage and under-voltage conditions, helping maximize battery life between charges. No memory effect — you can charge at any time without affecting battery lifespan. For reference, third-party retailers sell this battery for approximately $15 to $25.

Compatibility Note: Please power down your device and physically check the label on your old battery before ordering. Ensure the model number printed matches BL-49S-976546. This battery is compatible with Nubia V70 Design (model Z2458), ZTE Blade V70 Design, Nubia V70D, and ZTE Blade V70 Vita. Professional installation is recommended as these models have sealed back covers with strong adhesive.

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 lifespan, use a certified 22.5W charger. If you don’t use the battery 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.

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

✅ 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.

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Frequently Asked Questions

The BL-49S-976546 battery for Nubia V70 Design is compatible with Nubia V70 Design (model Z2458), ZTE Blade V70 Design, Nubia V70D, and ZTE Blade V70 Vita. The Nubia V70 Design was released in November 2024 featuring a 6.7-inch 120Hz HD+ IPS display and Unisoc T606 processor. Model number Z2458 is the official certification model for Nubia V70 Design. This 5000mAh battery for Nubia V70 Z2458 is a direct replacement for the original BL-49S-976546 battery. If your Nubia V70 Design 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 in Settings > About Phone and check the battery model BL-49S-976546 printed on your existing battery before purchasing.

The BL-49S-976546 5000mAh 3.85V battery has a typical capacity of 5000mAh (19.25Wh) and a rated voltage of 3.85V. Charge limit voltage is 4.4V. It is a Li-Polymer battery built with grade A cells and is CE, RoHS, and UN38.3 certified. The Nubia V70 Design battery supports 22.5W fast charging via USB-C — capable of charging from 0 to 50% in approximately 40 minutes when paired with the original 22.5W charger. The battery features integrated protection circuits against over-voltage and under-voltage conditions and has no memory effect, allowing you to charge at any time without affecting lifespan.

Professional installation is strongly recommended for Nubia V70 Design battery installation. The Nubia V70 Design has a sealed design with a plastic or vegan leather back cover secured by strong adhesive. The process to replace battery in Nubia V70 Z2458 requires heating to soften adhesive and careful prying to avoid damaging the display or back cover. Water resistance is not a concern as this model carries no official IP water resistance rating. 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), and never reuse a battery after removal. Third-party repair shops typically charge $15-30 for labor.

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