1. STANLEY FATMAX V20 SB202 – 2.0Ah Battery

The STANLEY FATMAX V20 SB202 is a compact 20V MAX Lithium-Ion rechargeable battery with 2.0Ah capacity, designed for STANLEY FATMAX V20 cordless power tools. It uses improved lithium-ion battery technology for longer runtime, low self-discharge and no memory effect. The battery incorporates a charge-status indicator for convenient monitoring and is designed to withstand demanding jobsite conditions.

2. STANLEY FATMAX V20 SB204 – 4.0Ah Battery

The STANLEY FATMAX V20 SB204 is a higher-capacity 20V MAX Lithium-Ion rechargeable battery rated at 4.0Ah. Compared with the SB202, its greater capacity provides substantially longer runtime between charges. It is compatible with the STANLEY V20 cordless tool system and incorporates protection against discharge at extreme temperatures.

Compatible Usage

Both batteries belong to the same STANLEY FATMAX V20 interchangeable battery system, so the SB204 can generally be used in tools that accept the SB202, provided the tool is a V20-compatible model. STANLEY specifically lists both SB202 and SB204 among compatible V20-system products.