The FOIF CH-04 is a high-precision, single-slot charging adapter specifically engineered for the BP-5S Li-ion battery series. Commonly utilized by professionals using FOIF, Stonex, and Unistrong GNSS RTK systems, this adapter serves as a critical power management tool for hand-held controllers and receivers that rely on the slim-profile 5S battery architecture.

Key Features

• Dedicated BP-5S Compatibility: Custom-tailored for the unique voltage and contact alignment of the BP-5S battery, ensuring a perfect physical fit and optimal electrical transfer.

• Intelligent Auto-Shutoff: Equipped with smart charging logic that detects when the battery reaches 100?pacity, automatically terminating the current to prevent overcharging and maximize the long-term health of the lithium cells.

• Dual LED Status Indicators: Features a simple, intuitive light system for real-time monitoring:

  • Red Light: Fast-charging mode active.

  • Green Light: Charge complete / Standby mode.

• Global Input Support: Designed for the traveling professional, the CH-04 supports a universal input range of 100V – 240V AC, allowing it to work on any international power grid with the appropriate plug adapter.

• Compact Field Design: One of the most portable chargers in the FOIF lineup, its lightweight build allows it to be tucked into a controller pouch or vest pocket without adding significant bulk.

Technical Specifications

Why Professionals Choose the CH-04

When your workflow depends on a handheld data collector or a compact RTK rover, the CH-04 provides the reliability needed for consistent uptime. It is built with high-quality internal copper coils and heat-resistant polymers, ensuring that even in high-temperature field environments, your power supply remains stable and safe. It is the gold-standard replacement for lost or damaged original equipment manufacturers (OEM) chargers for the BP-5S series.

In the Box:

• 1 x FOIF CH-04 Charging Adapter Unit

• 1 x AC Power Cord (US/EU/UK/AU plug options available)