9000mAh 8S2P Li-Ion Battery with XT90 Plug | INR21700-P42A Cells

9000mAh 8S 2P Li-ion Battery

The 9000mAh 8S 2P Li-ion Battery is a high-performance lithium-ion battery pack designed for applications that require reliable power, high energy density, and long operating life. Built using A-Grade INR-21700-P42A cells, this battery provides excellent discharge performance and stable voltage output, making it ideal for drones, robotics systems, and other high-power electronic devices.

This battery pack combines 8 cells in series and 2 in parallel (8S2P configuration) to deliver higher voltage and increased capacity. With a total capacity of 9000mAh, it ensures longer operating time and consistent power delivery even during demanding operations.

Lithium-ion technology is widely used due to its high efficiency, lightweight structure, and rechargeable capability. Compared to traditional rechargeable batteries, Li-ion batteries offer higher energy density, lower self-discharge rate, and longer charge retention, making them a preferred choice for modern electronic applications.

Manufactured using premium INR-21700-P42A cells (3.6V, 4200mAh, 11C), this battery ensures reliable performance and durability. With proper care and operating conditions, lithium-ion batteries can achieve up to 2000–3000 charge cycles, providing long-term value and dependable power for your devices.

Key Features

• High-capacity 9000mAh lithium-ion battery pack
• 8S 2P configuration for higher voltage and capacity
• Built with A-Grade INR-21700-P42A cells
• High power density with stable voltage output
• Long cycle life with excellent charge retention
• Lightweight and portable design
• Low self-discharge for better efficiency
• Cost-effective and reliable performance
• Easy maintenance and durable construction

Specifications

Battery Type: Lithium-Ion Battery
Configuration: 8S 2P
Capacity: 9000mAh
Cell Model: INR-21700-P42A
Cell Voltage: 3.6V
Cell Capacity: 4200mAh
Discharge Rate: 11C
Cell Type: Flat Top
Protection: No
Color: Gray
Country of Origin: Taiwan

Safety & Usage Guidelines

• Avoid exposure to high temperatures or direct heat sources.
• Use only with compatible chargers designed for Li-ion batteries.
• Do not short-circuit, puncture, or damage the battery pack.
• Store in a cool and dry environment when not in use.