Description
Battery model: BLP999 (Replaces BLP903)
Battery capacity: 5000mAh / 19.45Wh
Rated voltage: 3.89V
Charge limit voltage: 4.45V
Battery type: Li-Polymer
Compatible with: Realme 11 (RMX3751)
Package include: 1 x battery
Restore the power of your Realme 11 with this BLP999 5000mAh replacement battery. Designed for the RMX3751 model, this Li-Polymer cell delivers reliable performance for all-day 5G connectivity, 90Hz display, and intensive multitasking. The Realme 11 features a 6.43-inch Super AMOLED display and supports 33W wired fast charging. This replacement battery works seamlessly with the device’s charging system. Built-in multi-layer safety protection guards against overcharge, over-discharge, and short circuits. Made with grade A cells. CE, RoHS, and UN38.3 certified for safety compliance. Professional installation recommended as the battery is not user-replaceable.
Compatibility Note: Fits Realme 11 RMX3751 only. Realme 11 Pro and 11 Pro+ use different batteries. 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 the charger that came with your device.
✅ Condition: Brand New – Never used, premium quality
✅ CE / RoHS / UN38.3 Certified – Safety tested
✅ 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.
📦 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 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 | 8–15 days |
| Canada | $6.80 | 18–30 days |
| Mexico | $10.00 | 30–60 days |
| Germany, France, United Kingdom, Greece | $6.50 | 18–30 days |
| Ireland, Austria, Belgium, Poland, Denmark, Switzerland, Portugal, Norway, Slovakia, Spain, Hungary, Italy, Czech Republic, Luxembourg, Netherlands, Sweden, Cyprus | $8.00 | 18–30 days |
| Croatia, Finland, Lithuania, Latvia, Slovenia | $8.00 | 30–50 days |
| Romania | $14.00 | 30–50 days |
| South Korea, Japan, Australia, New Zealand, Israel, Malaysia, Singapore, Thailand, Philippines, Kazakhstan | $7.50 | 18–30 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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