OSUKA Ultracell+ / Supreme Power 20V Battery, available in 2.0–15.0Ah capacity

The 20V batteries from OSUKA are the heart of the Osuka Multipower+ cordless system, allowing one battery to power a wide variety of 20V OSUKA cordless tools. This unified system maximizes convenience and cost-efficiency for both professionals and serious DIY users.

Overview of OSUKA 20V Battery Lineup

OSUKA offers high-quality 20V lithium-ion (Li-ion) batteries equipped with advanced technologies for better performance and longer lifespan. These are available in two main series:

• Osuka Ultracell+ Battery
  Standard, high-durability batteries that resist degradation over time. Designed for consistent long-term use.
  
• Osuka Supreme Power Battery
  Premium-grade batteries delivering more power, extended runtime, and enhanced durability. Ideal for high-demand tools and heavy-duty applications.

Common Features Across OSUKA Batteries

• Osuka Multipower+ System
  One battery powers over 35 tools today, expanding to 70+ tools soon, reducing the need for multiple battery packs.
  
• Cooling System
  Improves heat dissipation by 30%, extending the batterys operational life under demanding conditions.
  
• Battery Indicator
  Built-in LED level indicator allows easy monitoring of remaining battery charge.
  
• Drop Protect
  Integrated shock-absorbing rubber casing provides impact resistance and added durability.
  
• All-New Design
  Modern, rugged, and professional-grade exterior design.

Available Battery Capacities (20V)

• OCB-202 / 2.0Ah
  Best for: Light-duty tasks, compact tools like screwdrivers or small blowers. Ideal when lightweight is critical.
  Pros: Lightweight, fast charging
  Limitations: Shortest runtime
  
• OCB-204 / 4.0Ah
  Best for: General-purpose use, tools with moderate energy demand (e.g., impact drills, jigsaws). Balanced between weight and runtime.
  Pros: Noticeably longer runtime than 2.0Ah
  
• OCB-205 / 5.0Ah
  Best for: Extended work sessions or tools with higher energy needs
  Pros: More runtime than 4.0Ah without becoming too heavy
  
• OCB-2075 / 7.5Ah
  Best for: Medium to heavy-duty tasks, such as circular saws or cordless grinders
  Pros: Significantly improved runtime and power delivery
  
• OCB-208 / 8.0Ah Supreme Power
  Best for: Heavy-duty tools like large chainsaws, cordless trimmers, or jobs requiring maximum runtime
  Pros: Supreme Power series delivers more power, longer runtime, and higher efficiency, especially for brushless motors
  
• OCB-2010 / 10.0Ah Supreme Power
  Best for: Very heavy-duty tasks, extended usage without recharging
  Pros: Longest runtime among general-use OSUKA batteries
  
• OCBS-2012 / 12.0Ah Supreme Power
  Best for: Industrial use, heavy continuous workloads, or where charging is infrequent
  Pros: High-capacity battery delivering superior performance and runtime for energy-demanding tools
  
• OCBS-2015 / 15.0Ah Supreme Power
  Best for: Industrial-grade use or continuous long-hour operations without interruption
  Pros: Highest-capacity battery in the OSUKA lineup, offering maximum runtime and power