Rotake ROT-20B4 High-Performance Battery 20V, 4.0Ah Li-Ion for Rotake 20V Battery System

The Rotake ROT-20B4 is a high-performance 4.0Ah lithium-ion battery designed for all Rotake 18V and 20V cordless power tools.

It delivers reliable power for demanding cordless equipment such as impact wrenches, angle grinders, drills and reciprocating saws, making it ideal for workshops, installation work and industrial applications.

Its modern lithium-ion technology provides high energy density, long runtime, low self-discharge and no memory effect.

Integrated Battery Management System

The integrated Battery Management System (BMS) continuously monitors voltage and temperature to ensure safe operation and maximum battery life.

The protection system safeguards the battery against:

• Overload
• Overheating
• Deep discharge

This intelligent battery management helps maintain consistent performance even under demanding operating conditions.

Rotake 20V Battery Platform

The Rotake 20V battery platform provides a single power source for the complete range of Rotake professional cordless tools.

Whether using an impact wrench, angle grinder or reciprocating saw, the same battery fits every Rotake 20V tool. Combined with brushless motors, it delivers consistent power, extended runtime and maximum efficiency, even during continuous heavy-duty use.

Compatibility

The battery is compatible with all Rotake 18V and 20V cordless power tools and chargers.

The Rotake 20V battery platform is also compatible with Makita 18V / 20V LXT batteries. Makita batteries can be used in Rotake tools and charged using Rotake chargers.

Certified Quality

All Rotake cordless power tools comply with current international safety and quality standards.

Certified according to:

• CE
• GS
• EAC
• RoHS
• ISO

Every product is tested before shipment to ensure reliable performance, electrical safety and consistent manufacturing quality.

About Rotake

Rotake develops professional cordless power tools that combine high performance, robust construction and dependable reliability.

The brand is trusted by workshops, construction companies and industrial users for its durability, precision and consistent performance.

Technical Specifications

Rotake High-Performance Battery (Item No. ROT-20B4)

• Model: ROT-20B4
• Voltage: 20V DC (compatible with 18V systems)
• Capacity: 4.0Ah (80Wh)
• Battery type: Lithium-Ion (Li-Ion)
• Protection system: integrated Battery Management System (BMS)
• Charging time: approx. 60–70 minutes
• Weight: approx. 0.68kg

Scope of Delivery

• 1 × Item No. ROT-20B4 – Rotake 20V 4.0Ah Li-Ion high-performance battery