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