Description
Battery type: 18500 2S (2 x 18500 cells in series)
Capacity: 1100mAh
Rated voltage: 7.4V
Charge limit voltage: 8.4V (4.2V per cell)
Discharge rate: 15C (16.5A burst)
Battery type: Li-ion (Lithium-ion)
Connector type: JST (2-pin)
Dimensions: 52 × 36 × 18mm
Compatible with: HQ827, HQ823, HQ871; MJX T10, T11, T34 RC drones, boats, and vehicles
Package include: 1 x battery
Power up your RC drone, boat, or vehicle with this 18500 2S replacement battery. This 7.4V 1100mAh Li-ion pack delivers reliable energy with a 15C discharge rate — suitable for racing, aerial photography, and extended RC sessions. Built with two 18500 cells in series, this Li-ion pack provides stable voltage output and consistent performance. Features built-in protection against overcharge, over-discharge, and short circuits for safe operation. The JST connector ensures plug-and-play compatibility with your RC device. CE, RoHS, and UN38.3 certified.
Compatibility Note: Designed for HQ827, HQ823, HQ871 and MJX T10, T11, T34 RC models. Please verify your device uses a JST connector before purchasing. Professional installation recommended for vehicle applications.
Battery Care Tips: Avoid full discharge — keep battery level above 20%. Do not overcharge beyond 8.4V. Store in a cool, dry place. If swelling occurs, stop use immediately. Use a compatible 2S Li-ion charger.
✅ Condition: Brand New – Never used, factory-tested quality
✅ Grade A Cells – Reliable performance
✅ CE / RoHS / UN38.3 Certified
✅ 90-Day Warranty
✅ 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 2 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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