Hyundai Lithium-ion Battery 4.0Ah

SKU HY-BI20-4In stock — ships today

$114.94

$99.95 ex GST

Incl. GST · Free shipping across New Zealand

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Key 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

Overview

Power through the job with confidence using the Hyundai 20V 4.0Ah Li-ion Battery – 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.

What’s in the box

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

Specifications

ModelBI20-4

Voltage20V Max

Rated Capacity4000mAh (4.0Ah)

Battery Pack Composition5S2P (5 in series)

Short Circuit Protection200 ± 10A

Storage Temp (1 Month)-10 ~ 55°C