20V 2.5Ah Lithium-ion Battery

Product Overview

The SENIX X2 20V Max 2.5A Lithium-Ion Battery (B25X2) is engineered to keep your tools running longer and more efficiently. With a 2.5Ah (45Wh) capacity, each battery provides dependable runtime without adding unnecessary weight—just 0.395kg per pack. Its 18650 cell design with a 5S1P series-parallel system ensures stable power output, while built-in protections and UL 2595 and UN38.3 certifications guarantee safe operation.

Designed for versatility, these batteries perform optimally in a wide charging range of 41°F–104°F (5°C–40°C) and maintain excellent storage stability at 50°F–80°F (10°C–26°C). Compact at 118.5 × 76.4 × 53.5 mm, the SENIX 20V batteries are easy to carry, swap, and store. Perfect for powering your SENIX cordless lineup, this twin pack keeps you working without interruption, whether in the workshop, garden, or on the jobsite.

Usage Scenarios

Compatible with all SENIX X2 20V Max and 2X2 40V Max Cordless tools. 

Unrecommended Conditions

Do not expose the battery to water, heavy rain, or extremely humid environments.

Avoid charging or using the battery outside the recommended range (41°F–104°F / 5°C–40°C).

Do not store in temperatures above 80°F (26°C) or below freezing for long periods.

Not suitable for heavy-duty equipment requiring higher-capacity batteries.

Warranty Information

We offer a comprehensive warranty policy tailored to the specific requirements of different countries and regions. Our warranty coverage is designed to ensure customer satisfaction and product reliability across all markets. For detailed information regarding the terms, duration, and service procedures applicable in your location, please get in touch with us directly. Our team will provide you with a complete warranty illustration and support as needed.