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Mean Well NPB-450-12 Battery Charger 450W 12V - Wide Charging Voltage 25A

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-450-12

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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 batteries is the Mean Well NPB-450-12 designed to charge?

The NPB-450-12 is suitable for both lead-acid and lithium batteries. It is built as a general-purpose intelligent charger with selectable default charging curves and 2-stage or 3-stage charging options, which helps it fit different battery types.

What are the key output specifications of the NPB-450-12?

This model is rated at 450W with a 14.4V output and 25A rated current. Those specifications make it a higher-power 12V battery charger for applications that need faster charging capability than smaller desktop chargers.

What makes the NPB-450-12 different from a basic fixed-output charger?

The NPB-450-12 includes an ultra-wide charging range auto-sensing function and built-in CANbus support, which sets it apart from simpler chargers. It also allows charging voltage, charging current, and timeout programming through the optional SBP-001, plus front-panel current adjustment from 50% to 100% of rated current.

Is the NPB-450-12 a good fit for industrial or commercial battery charging applications?

Yes. This charger is designed as a highly reliable intelligent unit with features such as programmable charging parameters, CANbus communication, and support for both lead-acid and lithium batteries. Those capabilities make it well suited to B2B environments where charging flexibility and control matter.

Can the NPB-450-12 operate in demanding temperature conditions?

Yes. The NPB-450-12 is rated for a wide operating temperature range of -30°C to +70°C, helping reduce environmental limitations in tougher installations. It also uses a temperature-controlled low-noise fan and includes auto-derating when over temperature.

Does the NPB-450-12 support configuration for different charging profiles?

Yes. The charger provides 4 default charging curves selectable by DIP switch, and its 2-stage or 3-stage charging behavior can also be adjusted by DIP switch. For applications needing more control, charging voltage, current, and timeout can be programmed through the SBP-001.

What certifications and warranty does the NPB-450-12 include?

The NPB-450-12 complies with UL/EN 62368-1 and IEC/EN 62368-1/-2-29 dual certifications. It is backed by a 3-year warranty, which is useful for buyers evaluating long-term support and compliance requirements.

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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-450-48 Battery Charger 450W 48V - Wide Charging Voltage 6.8A	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-450-12 Battery Charger 450W 12V - Wide Charging Voltage 25A

Key Features

Frequently Asked Questions

Payment & Security

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Mean Well NPB-450-12 Battery Charger 450W 12V - Wide Charging Voltage 25A

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