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6V 400mAh Ni-MH replacement battery with JST-2P connector for Huanqi 543 RC drone, front view on white background
6V 400mAh JST 3
6V 400mAh JST 2

6V 400mAh AA 5# JST-2P Battery for Huanqi 543/663/636/535 RC Drone

Original price was: $20.99.Current price is: $16.99.

🔘 6V 400mAh | 🔋 Ni-MH AA×5 | 🔌 JST-2P | 📏 71x48x14mm | 🚁 For Huanqi 543/663/636/535 RC Drone

8 in stock

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SKU: 6V-400mAh-JST 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
Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Hungary, Ireland, Italy, Luxembourg, Netherlands, Norway, Poland, Portugal, Slovakia, Spain, Sweden, Switzerland$8.0018–30 days
Croatia, Finland, Lithuania, Latvia, Slovenia$8.0030–50 days
Bulgaria, 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.

🇪🇺 Note for EU countries: Due to new EU customs regulations effective July 1, 2026, a flat tariff fee of $4.00 (approx. €3.50) applies to shipments to EU countries. This fee covers customs tariff, handling, and payment processing costs, and will be added at checkout. Thank you for your understanding.

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Description

✅ Condition: Brand New – Never used, premium quality

✅ CE / RoHS Certified – Safety tested

✅ Pre-attached JST-2P Connector – Ready to use

✅ 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

⚠️ Low Stock Alert: Only 8 left in stock. Order now to avoid waiting.

Battery type: 6V AA×5 (5-cell Ni-MH pack)
Battery capacity: 400mAh
Rated voltage: 6V
Connector type: JST-2P
Dimensions: 71 × 48 × 14 mm
Compatible with: Huanqi 543, Huanqi 663, Huanqi 636, Huanqi 535 RC drones
Package include: 1 x battery
Power your flight precisely with this 6V 400mAh replacement battery for Huanqi RC drones. Designed for Huanqi 543, 663, 636, and 535 models, this Ni-MH battery pack delivers stable voltage for consistent motor performance and longer flight times. The compact 71x48x14mm size fits snugly into these drone battery compartments. This replacement battery meets the device’s power specifications. Built-in safety protection guards against overcharge, over-discharge, and short circuits. Made with grade A cells. CE and RoHS certified for safety compliance. The pre-attached JST-2P connector makes installation straightforward for both beginner and experienced pilots.
Compatibility Note: Designed for Huanqi 543, 663, 636, and 535 RC drones. Please verify your drone model and battery compartment dimensions before purchasing. The JST-2P connector is standard for these models.
Battery Care Tips: Avoid full discharge (keep above 20%). Do not overcharge. Allow battery to cool before recharging after flight. Store in a cool, dry place when not in use. If swelling occurs, stop use immediately.

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Frequently Asked Questions

This 6V 400mAh battery is compatible with Huanqi 543, 663, 636, and 535 RC drones. All these models use the same 6V Ni-MH battery pack with JST-2P connector. If your drone battery is draining too fast or not holding a charge, this is the correct replacement. Please verify your drone model and battery compartment dimensions before purchasing.

This battery uses a standard JST-2P connector, which is compatible with Huanqi 543, 663, 636, and 535 drones. The dimensions are 71mm × 48mm × 14mm. The 6V output from the 5-cell Ni-MH configuration provides stable power for consistent flight performance. If you need a replacement battery for Huanqi 663 with JST-2P, this is the perfect choice. Made with grade A cells, CE and RoHS certified.

This battery is specifically designed for Huanqi 543, 663, 636, and 535 models. Other Huanqi drone models may use different battery sizes or voltages. Before purchasing, please check your drone's original battery specifications, including voltage (6V), connector type (JST-2P), and dimensions (71x48x14mm). Using the wrong battery may damage your drone's electronics.

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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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