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Custom 14.8V 8000mAh 21700 Li-ion Battery Pack 4S2P | OEM Power Tool Battery | High Capacity Rechargeable 40A Discharge Pack
$28.00
OEM Customized 14.8V 8000mAh 4S2P Li-ion Battery Pack (21700 4000mAh Cells)
For Power Tools | Electric Vehicles | Industrial Equipment
🔋 Product Overview
This high-performance 14.8V 8000mAh 4S2P lithium-ion battery pack is engineered using premium 21700 4000mAh / 40A continuous discharge cells, making it an ideal energy solution for power tools, robotic systems, portable devices, and industrial applications. Fully OEM/ODM customizable to meet your exact voltage, capacity, shape, and connector requirements.
⚡ Key Specifications
| Parameter | Details |
|---|---|
| Nominal Voltage | 14.8V (4S) |
| Capacity | 8000mAh |
| Cell Type | 21700 Lithium-ion (3.7V / 4000mAh) |
| Configuration | 4S2P |
| Max Continuous Discharge | 40A |
| Charging Voltage | 16.8V |
| Cell Brand | A-Grade (Samsung / LG / Lishen / Custom) |
| Operating Temp | -20°C ~ 60°C |
| Cycle Life | ≥500 cycles (≥80% capacity retention) |
| Protection | OVP / UVP / OCP / Short Circuit / NTC Temp |
| Certification | CE / UN38.3 / MSDS / RoHS (Optional UL) |
| Customization | Voltage / Capacity / Shape / BMS / Connector / Label |
🏆 Product Highlights
- ✅ High Energy Density – 21700 format cells offer 20% more capacity than standard 18650
- ✅ High Drain Performance – 40A continuous discharge supports demanding power tool motors
- ✅ Smart BMS Protection – Built-in Battery Management System ensures safe and stable operation
- ✅ OEM/ODM Friendly – Custom voltage, shape, connector (XT60 / Deans / JST / Anderson), branding & labeling available
- ✅ Long Cycle Life – Over 500 full charge-discharge cycles with minimal capacity degradation
- ✅ Wide Application Compatibility – Designed for drills, saws, vacuum cleaners, AGVs, medical devices, and more
🔧 Suitable Applications
- Power Tools (Drills, Circular Saws, Impact Wrenches)
- Robotic Systems & AGVs
- Portable Power Stations
- Electric Garden Tools
- Medical & Industrial Devices
- RC Cars / Drones / UAVs
🏭 OEM/ODM Customization Options
We support full customization for B2B clients:
- Voltage: 7.4V / 11.1V / 14.8V / 22.2V / 25.9V / 36V / 48V+
- Capacity: 2000mAh ~ 30,000mAh+
- Cell Brand: Panasonic, Samsung, Molicel, CATL, EVE, etc.
- BMS: Standard or Smart BMS with Bluetooth / UART communication
- Shell: Soft pack, hard case (ABS/PC), custom mold
- MOQ: Negotiable (contact for details)
📦 Packaging & Delivery
- Standard export carton with foam protection
- Anti-static & moisture-proof inner packaging
- Sample lead time: 5–7 working days
- Mass production: 15–25 working days (MOQ dependent)
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