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E6739-N 5000mAh 3.85V Li-Polymer replacement battery for ZTE Blade A36 and A56, front view showing battery label and connector flex cable
E6739-N 5000mAh 3.85V replacement battery for ZTE Blade A36 and A56, back view showing model number E6739-N, capacity 5000mAh, and voltage 3.85V on spec label

E6739-N 5000mAh 3.85V Li-Polymer Replacement Battery for ZTE Blade A36 / A56 / A56S 10W

Original price was: $19.99.Current price is: $15.99.

🔘 E6739-N 5000mAh 3.85V | 🔋 Li-Polymer | 📱 Compatible with ZTE Blade A36 / A56 / A56S 10W

8 in stock

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SKU: E6739-N 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
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: E6739-N
Capacity: 5000mAh (Typical) / 19.25Wh
Rated voltage: 3.85V
Charge limit voltage: 4.4V
Battery type: Li-Polymer / Li-ion
Compatible with: ZTE Blade A36 (Z2472, 6.75-inch 90Hz display, Unisoc T7200 processor, 10W charging), ZTE Blade A56 (6.75-inch display, Unisoc T7200 processor, 10W charging), ZTE Blade A56S
Package include: 1 x battery
Keep your ZTE Blade A36 or A56 running throughout the day with this E6739-N 5000mAh replacement battery. The ZTE Blade A36 features a 6.75-inch 90Hz display, Unisoc T7200 octa-core processor, and runs Android 15 with Google services — all powered by a long‑lasting 5000mAh battery. This Li-Polymer battery delivers the factory-rated 5000mAh capacity (19.25Wh) for all-day usage. The device supports 10W charging via USB Type-C — a full charge takes approximately 2.5-3 hours. For reference, third‑party retailers sell this battery for approximately $18 to $25.
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. With a cycle life of 500+ full charge cycles, this replacement battery is designed for long‑term durability. The battery is not user‑replaceable — professional installation is strongly recommended as the phone has a sealed back cover with strong adhesive.
Compatibility Note: Please power down your device and check your original battery label before ordering. This battery is compatible with ZTE Blade A36 and ZTE Blade A56 (including A56S variants). The phone has no official IP water resistance rating, so water seal maintenance is not a concern after replacement.
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 10W charging performance, use the original USB Type‑C charger that came with your phone. 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 E6739-N battery for ZTE Blade A36 is compatible with ZTE Blade A36 (model Z2472, 6.75-inch 90Hz display, Unisoc T7200 octa-core processor, 5000mAh battery, 10W charging), ZTE Blade A56 (6.75-inch display, 4GB RAM, 64GB/128GB storage, 5000mAh battery, Android 15), and ZTE Blade A56S. The ZTE Blade A36 features a 5000mAh battery that delivers all-day power, while the Blade A56 is designed for everyday use without compromise. This E6739-N Li-Polymer replacement battery for ZTE Blade A56 delivers the factory-rated 5000mAh capacity (19.25Wh). If your ZTE Blade A36 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 E6739-N printed on your existing battery before purchasing.

The E6739-N 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. This E6739-N Li-Polymer battery is built with Grade A cells and is CE, RoHS, and UN38.3 certified. The ZTE Blade A36 and Blade A56 support 10W charging via USB Type-C — a full charge takes approximately 2.5-3 hours using the original 10W charger (5V/2A). According to manufacturer specifications, the 5000mAh battery provides up to 54 hours of mixed usage and all-day power for calls, messaging, and streaming. With a cycle life of 500+ full charge cycles, this E6739-N replacement battery is designed for long-term durability. For best results, always use the original USB Type‑C charger that came with your phone.

Professional installation is strongly recommended for ZTE Blade A36 battery replacement. The ZTE Blade A36 and Blade A56 have sealed designs with plastic back covers secured by strong adhesive — the batteries are not user‑replaceable. The process to replace E6739-N battery in ZTE Blade A36 requires heating to soften adhesive, careful prying with plastic tools to avoid damaging the 6.75-inch display, and proper reassembly. The phones have no official IP water resistance rating, so water seal maintenance is not a concern after replacement. 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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