Original OnePlus BLP821 Battery For OnePlus 9 (LE2115) Mobile – 4500mAh

Important: This BLP821 battery is NOT for the Indian Edition of OnePlus 9. It is specifically listed for the OnePlus 9 LE2115 US Edition. For the Indian Edition, please use the BLP829 Battery.

The OnePlus 9 Battery BLP821 is a 4500mAh Li-Ion Polymer replacement battery designed specifically for the OnePlus 9 (LE2115, US Edition). It is an ideal replacement option when the original battery has reduced backup, drains quickly, or no longer holds a proper charge.

OnePlus 9 Battery BLP821

The OnePlus BLP821 Battery features a 4500mAh capacity, approximately 3.87V voltage, and Li-Ion Polymer construction. Before ordering, carefully verify that your phone is the US Edition LE2115, as this battery is not intended for the Indian Edition.

Feature	OnePlus Battery
Brand	OnePlus
Battery Model	BLP821
Battery Type	Li-Ion Polymer
Battery Capacity	4500mAh
Voltage	Approx. 3.87V
Charging Time	2–3 Hours
Weight	Approx. 55.5g
Compatibility	OnePlus 9 (LE2115, US Edition)
Condition	Original Replacement Battery
Packaging	Loose Packing
Warranty	180 Days (06 Months)
Country of Origin	China

Important Compatibility Information

BLP821 Is For US Edition Only

The BLP821 Battery is listed for:

• Phone: OnePlus 9
• Model: LE2115
• Edition: US Edition
• Battery Model: BLP821
• Capacity: 4500mAh

Not For Indian Edition

Do not order BLP821 for the Indian Edition of OnePlus 9.

For the Indian Edition, the provided compatibility information specifies BLP829 Battery instead.

Always check your phone’s exact model and regional edition before purchasing.

OnePlus 9 Battery Replacement

Over time, smartphone batteries can lose their original capacity through regular use and charging cycles. Common symptoms of an aging battery include reduced battery backup, rapid battery drain, frequent charging, and unexpected shutdowns.

The OnePlus 9 Battery BLP821 provides a 4500mAh replacement option specifically for the supported LE2115 US Edition.

Original OnePlus BLP821 Battery

The OnePlus BLP821 Battery is a 4500mAh Li-Ion Polymer battery with an approximate voltage of 3.87V and approximate weight of 55.5g.

For correct compatibility, verify both:

• Phone Model: OnePlus 9 LE2115
• Regional Edition: US Edition
• Battery Model: BLP821

Battery Specifications

The OnePlus 9 Battery BLP821 specifications include:

• Brand: OnePlus
• Model: BLP821
• Capacity: 4500mAh
• Battery Type: Li-Ion Polymer
• Voltage: Approx. 3.87V
• Charging Time: 2–3 hours
• Weight: Approx. 55.5g
• Packaging: Loose Packing
• Warranty: 180 Days (06 Months)

Installation Information

Battery replacement should preferably be performed by a qualified mobile phone technician. Proper tools and installation procedures should be used during replacement.

Do not puncture, bend, crush, open, modify, or expose the battery to excessive heat. Improper handling or installation can damage the battery or device.

Warranty Information

This OnePlus BLP821 Battery comes with a 180 Days (06 Months) warranty.

The warranty applies to eligible manufacturing defects, subject to inspection. Physical damage, accidental damage, improper installation, liquid damage, short circuits, tampering, misuse, or use in an incompatible device may not be covered.

Battery Safety Guidelines

For safe battery handling:

• Keep the battery away from fire and excessive heat.
• Do not puncture, bend, crush, or disassemble the battery.
• Do not short-circuit the battery terminals.
• Keep the battery away from water and liquids.
• Do not use a damaged or swollen battery.
• Have the battery installed by a qualified technician.
• Handle and store the battery carefully.
• Dispose of the old battery through an appropriate battery recycling facility.

Before Ordering

Please carefully check these points before purchasing:

1. Confirm your phone is OnePlus 9.
2. Verify the model number is LE2115.
3. Confirm your phone is the US Edition.
4. Do not purchase BLP821 for the Indian Edition.
5. For the Indian Edition, check the BLP829 Battery option.
6. Verify the battery model BLP821 where accessible.
7. Confirm the listed 4500mAh capacity.
8. Compare the connector and physical specifications with your existing battery.
9. Professional installation is recommended.

Support

Email: customercare@batterywala.online
Call / WhatsApp: 9222088888 / 9029545429
Support Hours: 11:00 AM – 8:00 PM
Sunday: Closed

Frequently Asked Questions

Is BLP821 compatible with OnePlus 9?

Yes, the BLP821 Battery is listed for the OnePlus 9 LE2115 US Edition.

Is BLP821 suitable for the Indian Edition?

No. The provided compatibility information specifically states that BLP821 is not for the Indian Edition. For the Indian Edition, the specified battery is BLP829.

What is the battery capacity?

The BLP821 battery has a 4500mAh capacity.

What is the battery model number?

The battery model number is BLP821.

What type of battery is it?

It is a Li-Ion Polymer battery.

What is the approximate voltage?

The listed voltage is approximately 3.87V.

What is the warranty period?

The product comes with a 180 Days (06 Months) warranty.

Does the battery come in retail packaging?

The product is supplied in loose packing.

Should the battery be professionally installed?

Yes. Professional installation by a qualified mobile phone technician is recommended.

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