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Mean Well NPB-450-48 Battery Charger 450W 48V - Wide Charging Voltage 6.8A

ultra wide charging range auto sensing functioncharging voltage/current/timeout can be programmed through SBP-001charging curves/stages can be selected through dip switch

SKU NPB-450-48

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The NPB-450 is a 450W Mean Well DIN rail power converter with a 205mm profile (input range: 10.5~21V).

Key Features

✓ 205mm width — DIN rail TS-35 compatible
✓ Input voltage range: 10.5~21V
✓ 3KVAC reinforced I/O isolation
✓ Cooling by free air convection
✓ Protections: Short circuit / Over voltage / Over temperature / Reverse polarity / Under voltage
✓ Active PFC — meets international energy efficiency regulations
✓ Remote ON/OFF control
✓ Safety approvals: EN/EN60335-1/2-29 , UL62368-1, EAC TP TC 004
✓ 3 years warranty

Frequently Asked Questions

What is the Mean Well NPB-450-48 designed for?

The NPB-450-48 is a 450W battery charger intended for charging 48V-class battery systems in professional and industrial settings. It is positioned as an intelligent general-purpose charger with a wide charging voltage range and support for both lead-acid and lithium batteries.

What are the main electrical ratings of the NPB-450-48?

This model is rated for 450W output power, with a nominal output voltage of 57.6V and a rated current of 6.8A. Those published ratings make it suitable for buyers comparing charger power, voltage, and charge current at a glance.

Can the NPB-450-48 work with different battery voltage ranges?

Yes. The NPB-450-48 includes an ultra-wide charging range auto sensing function covering 10.5 to 21V, 21 to 42V, 42 to 80V, and 54 to 100V for the NPB-450 series. That broad range is one of the main differentiators of this model family.

Is the NPB-450-48 compatible with both lead-acid and lithium batteries?

Yes, this charger is described as suitable for both lead-acid and lithium batteries. It also offers selectable default charging curves and adjustable 2-stage or 3-stage charging behavior, which helps support different battery chemistry requirements within the product's intended use.

Does the NPB-450-48 support monitoring or programmable charging settings?

Yes. It has built-in CANbus protocol, and charging voltage, charging current, and timeout can be programmed through the optional SBP-001 interface. In addition, the charging current can be adjusted on the panel from 50% to 100% of rated current.

Is the NPB-450-48 suitable for demanding environmental conditions?

This model is specified for operation from -30°C to +70°C, which supports use in a wide range of industrial environments. It also includes a temperature-controlled low-noise fan and automatic derating under over-temperature conditions.

What certifications and warranty does the NPB-450-48 include?

The charger complies with UL/EN 62368-1 and IEC/EN 62368-1/-2-29 dual certifications. Mean Well lists this model with a 3-year warranty, which is useful for buyers evaluating compliance and support expectations.

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Model	Power	Battery Type	Battery Voltage	Charging Current
Mean Well NPB-450-24 Battery Charger 450W 24V - Wide Charging Voltage 13.5A	450W	Lithium and Lead Acid Battery	—	—	View
Mean Well NPB-450-72-NFC Battery Charger 450W 72V - Ultra Wide Output, NFC Programmable Charging Parameters 5.5A	450W	Lithium and Lead Acid Battery	72V	—	View
Mean Well NPB-450-48-NFC Battery Charger 450W 48V - Ultra Wide Output, NFC Programmable Charging Parameters 6.8A	450W	Lithium and Lead Acid Battery	48V	—	View
Mean Well NPB-450-24-NFC Battery Charger 450W 24V - Ultra Wide Output, NFC Programmable Charging Parameters 13.5A	450W	Lithium and Lead Acid Battery	24V	—	View
Mean Well NPB-450-12-NFC Battery Charger 450W 12V - Ultra Wide Output, NFC Programmable Charging Parameters 25A	450W	Lithium and Lead Acid Battery	12V	—	View
Mean Well NPB-450-72 Battery Charger 450W 72V - Wide Charging Voltage 5.5A	450W	Lithium and Lead Acid Battery	—	—	View
Mean Well NPB-450-12 Battery Charger 450W 12V - Wide Charging Voltage 25A	450W	Lithium and Lead Acid Battery	—	—	View

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Key Features

✓ 205mm width — DIN rail TS-35 compatible

✓ Input voltage range: 10.5~21V

✓ 3KVAC reinforced I/O isolation

✓ Cooling by free air convection

✓ Protections: Short circuit / Over voltage / Over temperature / Reverse polarity / Under voltage

✓ Active PFC — meets international energy efficiency regulations

✓ Remote ON/OFF control

✓ Safety approvals: EN/EN60335-1/2-29 , UL62368-1, EAC TP TC 004

✓ 3 years warranty

Mean Well NPB-450-48 Battery Charger 450W 48V - Wide Charging Voltage 6.8A

Key Features

Frequently Asked Questions

Payment & Security

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Mean Well NPB-450-48 Battery Charger 450W 48V - Wide Charging Voltage 6.8A

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