MEAN WELL NPB-450-24 Intelligent Lead-Acid & Li-ion Battery Charger 24V 13.5A 450W

Industrial battery charging for lead-acid and lithium-ion batteries in automation, robotics, and backup power systems. The NPB-450-24 delivers 24V DC at up to 13.5A with programmable charging profiles, active PFC, and comprehensive protections.

Key specifications

• Output voltage: 24V DC (nominal)
• Max. charging current: 13.5A
• Rated output power: 450W
• Input voltage: 90 ~ 264VAC (127 ~ 370VDC)
• Active PFC >0.95 at 230VAC
• Efficiency up to 93%
• Battery compatibility: Lead-acid (Flooded, Gel, AGM), Li-ion (LiFePO4, Li-ion) – programmable
• Charging stages: 2/3 stage selectable (programmable via SBP-001)
• Protections: Short circuit, overload, over voltage, over temperature, battery reverse polarity
• Operating temperature: -30 ~ +70°C
• Cooling: Built-in DC fan with speed control
• Remote control: Remote ON/OFF, remote sense
• Input connector: IEC320-C14 inlet
• Output connection: Screw terminal block

Why choose it

Programmable via the SBP-001 programmer (sold separately), this charger adapts to various battery chemistries and charging requirements. Its active PFC and high efficiency reduce energy consumption, while the wide operating temperature range suits demanding environments.

Ideal use cases

• Automated guided vehicles (AGVs) and mobile robots
• Backup power systems and UPS
• Electric vehicles and material handling equipment
• Industrial automation and control systems

Good to know

The built-in fan ensures reliable cooling under load. Remote ON/OFF and sense functions allow integration into larger systems. Safety standards include UL62368-1, TUV EN62368-1, EAC, and CE.