Hyundai
Hyundai 20V Li-Ion Battery (4.0 Ah) – BI20-4
Hyundai 20V Li-Ion Battery (4.0 Ah) – BI20-4
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Hyundai 20V Li-Ion Battery (4.0 Ah) – BI20-4
Product Overview
The Hyundai 20V Li-Ion Battery (4.0 Ah) is engineered to deliver extended runtime, reliable power, and consistent performance for Hyundai cordless tools. With advanced protection features and a compact, lightweight design, it ensures safe operation and convenience for both professional and DIY users. Built with durable Li-ion technology, this battery is the perfect solution for longer working hours without interruption.
Key Features
- Voltage: 20V Max
- Rated Capacity: 4.0 Ah
- Battery Pack Composition: 5S2P
- Short Circuit Protection: 200 ± 10A
- Sleep Power Consumption (after over-discharge protection): ≤10 μA
- Storage Temperature: -10 ~ 55℃ (within one month)
- Dimensions: 115.8 × 75 × 44 mm
- Weight: 0.4 kg
Technical Specifications
- Sliding battery design for easy installation and removal
- On-board battery capacity indicator for real-time monitoring
- Li-ion technology for longer life, durability, and consistent performance
Brand Assurance
HYUNDAI Cordless Power Tools – Standard Series (BI20-4)
Trusted for durability, efficiency, and reliable everyday performance.
Hyundai 20V Li-Ion Battery (4.0 Ah) with sliding design, on-board capacity indicator & advanced protection—compact, durable & built for longer runtime.

