Two 804050 2000mAh 3.7V Li-Po batteries with protection board for DIY projects 8×40×50mm
2Pcs 804050 2000mAh 3.7V Li-Po Battery with Protection Board (8×40×50mm) - Image 2

2Pcs 804050 2000mAh 3.7V Li-Po Battery with Protection Board (8×40×50mm)

$9.99

✅ Brand New | 🔋 2× 804050 2000mAh 3.7V Li-Po | 🛠️ For DIY Projects (8×40×50mm)

8 in stock

🛡️ PayPal Protected (Buyer coverage included)✅ 90-Day Warranty
SKU: 804050-2PCS Category: Tags: , , ,

Description

Battery model: 804050 (2-Pack)

Battery capacity: 2000mAh per cell

Rated voltage: 3.7V

Charge limit voltage: 4.26V

Discharge cut-off: 2.75V

Standard charge/discharge current: 0.5C (1000mA)

Dimensions: 8 × 40 × 50mm per cell

Weight: 33.7g per cell

Protection: Built-in PCB for overcharge, over-discharge, short circuit, and overcurrent

Cycle life: 500 cycles maintaining ≥80% capacity

Operating temperature: Charge: 0-45°C, Discharge: -20-60°C

Package include: 2 x batteries

Power your DIY projects or custom electronic devices with this 2-pack of 804050 2000mAh 3.7V Li-Po batteries. Each cell features a built-in protection circuit board (PCB) for safe operation, guarding against overcharge, over-discharge, short circuit, and overcurrent. Made with grade A cells. CE and RoHS certified for safety compliance.

Compatibility Note: This battery is designed for DIY projects and custom applications. Please verify your device’s battery compartment size (8×40×50mm) and voltage requirements before purchasing.

Battery Care Tips: Use a compatible Li-Po charger. Avoid full discharge (keep above 3.0V per cell). Store in a cool, dry place. If swelling occurs, stop use immediately. For optimal battery life, charge at 0.5C (1000mA) or lower.

✅ Condition: Brand New – Premium grade A cells

✅ Built-in Protection PCB – Overcharge, over-discharge, short circuit protection

✅ 500 Cycle Life – Maintains 80% capacity

✅ CE / RoHS 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

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

🔋 Can’t find your battery model? Use our FREE Battery Lookup Service – tell us your device and we’ll find a match within 24 hours. 👉 battery.qingsm.tech/find-my-battery

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Frequently Asked Questions

These 2000mAh 3.7V Li-Po batteries are designed for DIY projects and custom applications. Typical uses include small Bluetooth speakers, portable electronics, custom gadgets, and other devices with battery compartment size of 8×40×50mm. Please verify your device's size and voltage requirements before purchasing.

Yes, each battery in this 2-pack comes with a built-in protection circuit board (PCB) that guards against overcharge, over-discharge, short circuit, and overcurrent. The protection board ensures safe operation during charging and discharging.

We offer a 90-day warranty against manufacturing defects. If you experience any issues with the battery, please contact us and we'll help resolve the problem. Orders ship in 3-7 days with tracking provided. Shipping protection is available at checkout. For full details, please visit our "What to Know Before You Buy" page.

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