7.4V 9000mAh 21700 Battery Pack 2S2P For Arduino Robotics DIY Electronic Projects
Price:
Negotiable
MOQ:
1000PCS
Delivery Time:
Negotiable
Brand:
MEISAEN
Product Description
This high-performance 7.4V 9000mAh (9Ah) 2S2P 21700 lithium-ion battery pack is designed to deliver consistent, long-lasting power for a wide range of portable electronics, robotics, DIY projects, and low-voltage devices. Built with premium Grade A 21700 cells in a 2S2P configuration, it balances capacity, stability, and safety to meet your power needs reliably.
Key Specifications
| Parameter | Details |
|---|---|
| Nominal Voltage | 7.4V |
| Rated Capacity | 9000mAh (9Ah) |
| Configuration | 2S2P (2 Series, 2 Parallel) using 21700 cells |
| Rated Energy | 66.6Wh |
| Dimensions | 42mm × 42mm × 70.5mm |
| Connector | Red JST 2-Pin Connector |
| Cell Type | Grade A 21700 lithium-ion cells |
| Cycle Life | Up to 500 full charge-discharge cycles |
| Protection | Built-in BMS (Battery Management System) |
| Operating Temperature | Charge: 0°C ~ 45°C; Discharge: -20°C ~ 60°C |
Key Features
✅ High Capacity for Extended Runtime
With a 9000mAh capacity, this battery pack provides extended power for your devices, reducing the need for frequent recharges and keeping your projects running longer.
✅ Stable 2S2P Configuration
The 2-series, 2-parallel cell setup ensures steady voltage output and improved discharge performance, even under moderate loads, preventing power drops during use.
✅ Built-In Safety BMS Protection
An integrated Battery Management System safeguards against:
- Overcharging
- Over-discharging
- Over-current
- Short-circuiting
- Overheating
This multi-layer protection enhances both safety and long-term battery health.
✅ Compact & Durable Build
Encased in a robust PVC heat-shrink shell, the pack is resistant to minor impacts and daily wear. Its compact dimensions (42x42x70.5mm) make it easy to integrate into most devices without taking up excessive space.
✅ Ready-to-Use JST Connector
Pre-fitted with a standard red JST 2-pin connector for plug-and-play installation, eliminating the need for complex wiring in compatible devices.
✅ Versatile Compatibility
Ideal for a wide range of 7.4V applications, including:
- Portable speakers and amplifiers
- LED lighting systems
- Robotics and Arduino projects
- Surveillance cameras
- Medical and portable electronic devices
- Small power tools
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Shenzhen Meisha New Energy Technology Co., LTD
Location
Room 811, Kaihaoda Building, Block 1, No.1 Gongyeyuan Road, Shanghenglang Community, Dalang Subdistrict, Longhua District, Shenzhen City
Contact Person
gaojianchao