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BN37 3000mAh 3.85V Li-Polymer replacement battery for Xiaomi Redmi 6 and Redmi 6A, front view on white background
BN37 3000mAh 3.85V replacement battery for Xiaomi Redmi 6, back view showing model number and specifications

BN37 3000mAh 3.85V Replacement Battery for Xiaomi Redmi 6 / Redmi 6A

Original price was: $12.99.Current price is: $9.66.

🔘 BN37 3000mAh 3.85V | 🔋 Li-Polymer | 📱 For Xiaomi Redmi 6 / Redmi 6A

8 in stock

No PayPal account? 💳 Pay with credit/debit card | 🛡️ PayPal Buyer Protected
SKU: BN37 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.

🔋 Can't find your battery model? Use our FREE Battery Lookup Service – tell us your device and we'll find a match within 24 hours. 👉 battery.qingsm.tech/find-my-battery

Description

✅ Condition: Brand New – Never used, premium quality

✅ CE / RoHS / UN38.3 Certified – Safety tested

✅ Dual IC Protection – Overcharge / Over-discharge / Short circuit

✅ 90-Day Warranty – Hassle-free replacement

✅ Ships in 3-7 days with tracking – Fast delivery

🛡️ Shipping Protection Available at Checkout – Covered against loss, damage, or theft

✅ PayPal Buyer Protection included – Secure checkout

✅ 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: BN37
Battery capacity: 3000mAh / 11.55Wh
Rated voltage: 3.85V
Charge limit voltage: 4.4V
Battery type: Li-Polymer
Compatible with: Xiaomi Redmi 6, Xiaomi Redmi 6A
Package include: 1 x battery, 1 x installation tool kit
Breathe new life into your Xiaomi Redmi 6 or Redmi 6A with this BN37 3000mAh replacement battery. Designed specifically for Redmi 6 and 6A models, this Li-Polymer cell delivers reliable power for daily tasks. The Redmi 6 and 6A feature 5.45-inch displays and are popular budget smartphones from Xiaomi. This replacement battery meets the device’s power specifications. Built-in dual IC safety protection guards against overcharge, over-discharge, and short circuits. Made with grade A cells. CE, RoHS, and UN38.3 certified for safety compliance. The battery comes with an installation tool kit—professional installation recommended.
Compatibility Note: Fits Xiaomi Redmi 6 and Redmi 6A only. BN37 is the OEM battery model for these devices. Please check your current battery model before purchasing.
Battery Care Tips: Avoid full discharge (keep above 20%). Keep away from high temperatures. If swelling occurs, stop use immediately. For best performance, use a standard 5V/2A charger.

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Frequently Asked Questions

The BN37 battery is compatible with Xiaomi Redmi 6 and Redmi 6A only. BN37 is the OEM battery model for both devices. If your Redmi 6A battery is draining too fast or not holding a charge, this is the correct replacement. Please check your current battery model before purchasing.

The BN37 battery has a genuine capacity of 3000mAh at 3.85V with a charge limit of 4.4V. It uses Li-Polymer technology with grade A cells and dual IC protection for stable and long-lasting performance. The Redmi 6 and 6A can achieve up to 6.5 hours of screen time on a full charge with this battery. Always check your original battery model before purchasing.

Yes, the BN37 battery package includes a set of installation tools to help with replacement. The Redmi 6 and 6A have removable back covers, making battery replacement relatively straightforward. However, professional installation is still recommended if you are not experienced with phone repairs. The battery features dual IC protection for enhanced safety during installation and daily use.

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This battery is in stock and ready to ship within 3-7 days. 90-day warranty included.

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