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ROBBOX Tools | Trusted by +10,000 Professionals
xCore™ 21V 4.5Ah
Smart Battery (2-Pack)
$459.00
$556.00
ROBBOX Tools | Trusted by +10,000 Professionals
xCore™ 21V 4.5Ah
Smart Battery (2-Pack)
$459.00
$556.00
The xCore™ 21V 4.5Ah Battery delivers high-capacity power in a compact, single-stack design—built for all-day performance on the jobsite.
Engineered with premium materials and an advanced battery management system, it provides consistent output, long cycle life, and reliable operation in demanding environments.
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Ships in 1-2 Business Days
14-Day Money-Back Guarantee
1 Year Warranty
Features
High-Capacity 4.5Ah Output: Delivers extended runtime to power through demanding applications without frequent recharging.
Compact Single-Stack Design: Engineered for a balanced, lightweight form factor without sacrificing power or capacity.
Advanced Battery Management System: Intelligent controls manage temperature, voltage, and current while adapting power output to match application demands—giving you greater control over battery consumption and performance.
Premium Cell Construction: Built with high-quality cells selected for durability, efficiency, and extended cycle life.
Jobsite-Ready Durability: Designed to withstand tough working environments while maintaining stable and reliable output.
Seamless xCore System Integration: Fully compatible with the Robbox xCore™ power system—built to support current and future tools.
Product Specifications
Battery Type: Lithium-Ion (Li-Ion)
Voltage: 21V
Capacity: 4.5Ah
Battery Management System: Advanced Intelligent BMS
Compatibility: Robbox xCore System (xDrill and future compatible tools)
Charging Compatibility: xCore Charger System
Operating Temperature: -10°C to 50°C
Storage Temperature: -20°C to 60°C
Housing Construction: Impact-Resistant Glass-Fiber Nylon Casing
Protection Features: Overcharge Protection, Over-Discharge Protection, Overcurrent Protection, Thermal Protection
Try it on the Jobsite Risk-Free
14-Day Money-Back Guarantee
Use it on real jobs for 14 days. If it doesn't live up to your expectations, return it for a full refund.
1-Year Warranty Included
Covers defects, drops, and water damage. If anything goes wrong under normal use, we'll replace it—no questions asked.
What's in the Box
(2-Pack) xCore™ 21V 4.5 Battery Pack
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BUILT FOR CONFIDENCE
1-Year Replacement Warranty
Try It 14-Day Risk-Free
Ships In 1-2 Business Days