BB-2557 Pass-Thru Charger for Reliable 12V Power Solutions
The BB-2557 Pass-Thru Charger is engineered for high-performance power delivery and smart battery management, perfect for mission-critical applications and rugged environments. Designed for use with rechargeable BB-2557 Li-Ion batteries, this charger offers seamless pass-thru functionality—powering your load while charging the battery at the same time. With full SMBus pin population and rapid 3ms auto-switching to battery power upon disconnection of external input, it's the go-to choice for professionals who rely on consistent 12V output. Trusted by field techs, defense contractors, and outdoor enthusiasts, this charger is more than utility—it’s resilience in a compact, watertight form.
12V Pass-Thru Charger with SMBus – Built for Demanding Applications
- Simultaneous Power & Charging: Supports load operation while charging BB-2557 Li-Ion batteries without interruptions.
- SMBus Communication Ready: All SMBus pins are populated for full data and diagnostics compatibility.
- Watertight Rugged Build: Designed to withstand harsh environments and extreme temperatures from -40°C to +60°C.
- Automatic Power Switching: 3-millisecond switch to battery backup ensures no disruption in critical power scenarios.
- Built-In Status Indicators: Real-time charge and battery fuel gauges plus an On/Off switch for long-term storage management.
12V Battery Charger for Extreme Conditions and Field Applications
This 12V battery charger is not just durable—it's optimized for real-world challenges. Ideal for powering remote systems, communications gear, and mobile electronics, this rugged power supply is watertight, lightweight, and impact-resistant. Its SAE input port ensures fast DC input, making it a plug-and-play option in field kits and tactical gear setups. With BB-2557 charger with fuel gauge indicator and full SMBus functionality, it’s the perfect fit for anyone who demands reliability in every watt.
Watertight 12V Power Supply for BB-2557 – Specifications
- Part Number: SN-928-A12
- Input Voltage: 10.5VDC to 19VDC
- Output Voltage: 12VDC (unregulated)
- Continuous Output Current: 15 Amps
- Input Connector: SAE Port (compatible with SN-12V-SAE)
- Switch Time: 3 milliseconds from input to battery power
- Indicators: State of Charge (charging), Battery Fuel (on battery power)
- Power Management: On/Off switch for storage
- Wire Specs: AWG 16/AWG 22, Outer Diameter: 0.305"
- Cable Length: 6 feet
- Weight: 12 oz.
- Operating Temperature: -40°C to +60°C
- Enclosure: Watertight, Rugged Design for impact resistance
- Compatibility: For Rechargeable BB-2557 Li-Ion Batteries
- CAD Support: STEP file available upon request
Li-Ion Battery Charger That’s Trusted in the Field
Recognized for durability and field performance, this Li-Ion battery charger has become a staple in tactical, emergency, and mobile operations. Its pass-thru charging system with ultra-fast power switching and durable housing has made it a standard in rugged electronics. Used across defense, industrial, and outdoor sectors, it embodies a new era of mobility-focused power solutions.
