MEAN WELL NPB-1200-24 24V 40A Lead-Acid & Li-ion Battery Charger

Industrial battery charging often demands high current, wide battery chemistry support, and reliable operation in harsh environments. The MEAN WELL NPB-1200-24 addresses this with a programmable 24V charger capable of delivering up to 40A for lead-acid and lithium-ion batteries.

Who is it for

This charger suits system integrators, fleet operators, and renewable energy installations needing a robust, chassis-mount charger for large battery banks. It is ideal for applications where uptime and flexible charging profiles are critical.

Main features

• High power output: 960W rated, 24VDC nominal output, adjustable from 10.5V to 30V.
• Wide battery compatibility: supports lead-acid (flooded, GEL, AGM) and lithium-ion (LiFePO4, Li-MnO2, etc.).
• Programmable 3-stage charging for precise battery management.
• Built-in active PFC and 93% efficiency for reduced energy costs.
• Comprehensive protections: short circuit, over voltage, over temperature, and battery reverse polarity.
• Remote ON/OFF control and optional CANBus/PMBus communication.
• Wide operating temperature range: -30°C to +70°C.
• Built-in DC fan with speed control for thermal management.

Specifications

• Output voltage: 24 VDC (adjustable 10.5–30 V)
• Max charging current: 40 A
• Rated power: 960 W
• Input voltage: 90–264 VAC
• Efficiency: 93%
• Battery types: Lead-acid (flooded, GEL, AGM), Li-ion (LiFePO4, Li-MnO2, etc.)
• Charging stages: 3-stage programmable
• Communication: CANBus/PMBus optional, programmable via SBP-001
• Protections: short circuit, over voltage, over temperature, reverse polarity
• Operating temperature: -30°C to +70°C
• Cooling: built-in DC fan with speed control
• Mounting: chassis mount, metal case

Tips

Use the SBP-001 programmer to customize charging curves for specific battery chemistries. Ensure adequate airflow around the unit, especially in high-temperature environments, to maintain optimal performance.