Description
Battery model: BLP811
Total capacity: 4300mAh / 16.64Wh (2 × 2150mAh cells)
Single cell capacity: 2150mAh (2 cells in series)
Rated voltage: 7.74V (3.87V × 2)
Single cell voltage: 3.87V
Charge limit voltage (single cell): 4.45V
Battery type: Li-Polymer / Li-ion (Dual‑cell series design)
Compatible with: Oppo Reno 4 SE (PEAT00, PEAM00), Oppo Reno 5 5G (PEGM00, PEGT00, CPH2145), Oppo Reno 5 K, Oppo Find X3 Lite (CPH2145), Oppo K9
Package include: 1 x battery (Complete dual‑cell battery pack)
Revitalize your Oppo smartphone with this BLP811 4300mAh replacement battery. Compatible with Oppo Reno 4 SE (released September 2020, featuring a 6.43-inch AMOLED display, MediaTek Dimensity 720 processor, 48MP triple camera, and ultra‑slim 169g body), Oppo Reno 5 5G (December 2020), and Oppo Find X3 Lite (April 2021). All these devices feature a massive 65W SuperVOOC 2.0 fast charging technology, allowing you to charge up to 60‑100% in just 30‑35 minutes.
This Li-Polymer battery uses an advanced dual‑cell series design — two 2150mAh/3.87V cells connected in series to achieve a combined voltage of 7.74V — delivering the factory‑rated 4300mAh capacity for all‑day usage. Built with high‑quality 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. For reference, third‑party retailers sell this battery for approximately $15 to $31.
Compatibility Note: Please power down your device and check your original battery label before ordering. Ensure the model number printed matches BLP811. This battery is compatible with Oppo Reno 4 SE (PEAT00, PEAM00), Oppo Reno 5 5G (PEGM00, PEGT00, CPH2145), Oppo Find X3 Lite (CPH2145), Oppo Reno 5 K, and Oppo K9. Professional installation is recommended as the phone has a sealed back cover with strong adhesive. The phone is not water resistant, 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 65W SuperVOOC 2.0 charging performance, use the original Oppo SuperVOOC charger and cable that came with your phone. 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.
✅ 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 Period | 90 days from delivery | 15-30 days from order confirmation |
| When It Starts | 📦 Upon delivery | ⚠️ Upon order confirmation (even before you receive it) |
| Claims Handling | We do it directly — email us | Automated dispute system, seller dependent |
| After Window Expires | Still can contact us for support | No 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; actual delivery may be affected by customs, weather, or other unforeseen circumstances.
| Destination | Freight (USD) | Est. Delivery Time |
|---|---|---|
| United States | $7.80 | 8-20 days |
| Canada | $6.80 | 18-45 days |
| Mexico | $10.00 | 30-60 days |
| Germany, France, United Kingdom, Greece | $6.50 | 18-45 days |
| Ireland, Austria, Belgium, Poland, Denmark, Switzerland, Portugal, Norway, Slovakia, Spain, Hungary, Italy, Czech Republic, Luxembourg, Netherlands, Sweden, Cyprus | $8.00 | 18-45 days |
| Croatia, Finland, Lithuania, Latvia, Slovenia | $8.00 | 30-60 days |
| Romania | $14.00 | 30-60 days |
| South Korea, Japan, Australia, New Zealand, Israel, Malaysia, Singapore, Thailand, Philippines, Kazakhstan | $7.50 | 18-45 days |
| United Arab Emirates, Saudi Arabia, Vietnam, Chile, Peru, Colombia, Brazil | $18.00 | 25-60 days |
* Delivery times are estimates; actual delivery may be affected by customs or other factors. If your country is not listed, we are currently unable to ship batteries to that destination.
🇧🇷 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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