20V 4.0Ah Lithium-ion Battery - High-Capacity Power Pack For Hyundai Cordless Tools Hyundai BI20-4

DESCRIPTION:

Power through the job with confidence using the Hyundai 20V 4.0Ah Li-ion Battery (BI20-4) – a high-capacity power pack engineered for serious cordless performance across the full Hyundai 20V tool range.

With a rugged 5S2P lithium-ion cell design, this battery delivers 4000mAh of reliable, long-lasting energy to keep your tools running stronger for longer. It’s ideal for tradies, DIYers, and anyone needing consistent cordless freedom on-site or around the home.

The sliding battery format ensures a snug and secure fit to your tool, while the onboard LED capacity indicator means you’re never left guessing your charge level. Built-in short circuit protection gives you peace of mind while you work.

Whether you’re sanding, drilling, cutting, or blowing – this official Hyundai battery is the smart way to power through your project.

FEATURES:

• Powerful 20V 4.0Ah Li-ion battery delivers long-lasting runtime and consistent power across the Hyundai 20V cordless tool range
• Sliding battery design for secure connection and quick, easy installation on all Hyundai 20V tools
• Built-in LED battery capacity indicator lets you check remaining charge at a glance – no surprises mid-job
• Integrated short circuit protection (200±10A) ensures safe, reliable performance under demanding workloads
• High-capacity 5S2P lithium-ion cell configuration designed for performance, durability, and minimal self-discharge during storage

SPECIFICATIONS:

• Model: BI20-4
• Voltage: 20V Max
• Rated Capacity: 4000mAh (4.0Ah)
• Battery Pack Composition: 5S2P (5 in series)
• Short Circuit Protection: 200 ± 10A
• Storage Temp (1 Month): -10 ~ 55°C

WHAT'S INCLUDED:

•  1 x Hyundai 20V 4.0Ah Li-ion Battery (BI20-4)
•  Charger sold separately

Part Number/SKU: BI20-4

* Product Images are for illustration purposes only, unless otherwise specified colour may be different.