Basic Electrical Parameters
Nominal Voltage: 12 VDC
Rated Capacity (20h rate, discharge to 10.5V @ 2.25A): 45 Ah
10h rate (4.275A): 42.75 Ah
5h rate (7.65A): 38.25 Ah
Max Continuous Charging Current: 13.5 A
5-second peak short-time discharge current: 540 A
Internal Resistance (1kHz): ~7 mΩ
Net Weight: Approx. 14.11 kg
Charging Voltage Standard (25℃ ambient)
Float Standby Mode (fire panel 24h backup): 13.50 ~ 13.80 V, temp compensation -3mV/℃/cell
Cyclic Charge Mode (repeated charge-discharge): 14.4 ~ 15.0 V, temp compensation -5mV/℃/cell
Mechanical & Physical Specs
Outer Dimension (L×W×H): 198 mm × 166 mm × 171 mm
Terminal Type: M6 screw bolt terminal
Housing: Black UL94-HB flame retardant ABS, fully sealed valve-regulated AGM structure
Operating Environment
Charge temperature: -15℃ ~ +40℃
Discharge temperature: -15℃ ~ +50℃
Storage temperature: -15℃ ~ +40℃
Self-discharge rate: ≤1.5% per month at 20℃
Shelf life (20℃): Retain 80% residual capacity after 6 months storage
Service Life & Certifications
Float standby service life: 3~5 years under fire alarm system working condition
Cycle life: 500 cycles at 50% depth of discharge; 225 cycles at 80% DOD
Core Certifications: VdS fire safety approval, CE, RoHS compliant
Multipower, MP 45-12 Specifications
| Nominal Voltage | 12 VDC |
|---|---|
| 10h rate (4.275A) | 42.75 Ah |
| 5h rate (7.65A) | 38.25 Ah |
| Max Continuous Charging Current | 13.5 A |
| Internal Resistance (1kHz) | ~7 mΩ |
| Net Weight | Approx. 14.11 kg |
| Outer Dimension (L×W×H) | 198 mm × 166 mm × 171 mm |
| Terminal Type | M6 screw bolt terminal |
| Housing | Black UL94-HB flame retardant ABS, fully sealed valve-regulated AGM structure |
| Charge temperature | -15℃ ~ +40℃ |
| Discharge temperature | -15℃ ~ +50℃ |
| Storage temperature | -15℃ ~ +40℃ |
| Self-discharge rate | ≤1.5% per month at 20℃ |
| Shelf life (20℃) | Retain 80% residual capacity after 6 months storage |
| Float standby service life | 3~5 years under fire alarm system working condition |
| Cycle life | 500 cycles at 50% depth of discharge; 225 cycles at 80% DOD |
| Core Certifications | VdS fire safety approval, CE, RoHS compliant |
About the Multipower, MP 45-12
The Multipower, MP 45-12 is a electrical products used in industrial automation, control and power systems. It is rated at Nominal Voltage 12 VDC, 10h rate (4.275A) 42.75 Ah, 5h rate (7.65A) 38.25 Ah. This electrical products is supplied as new, original industrial-grade stock. Each unit is identified by manufacturer part number Multipower, MP 45-12 for accurate procurement and cross-referencing.
Why source the Multipower, MP 45-12 from HDE123
- Verified part number: every Multipower, MP 45-12 is checked against its manufacturer specification before shipment.
- 17 confirmed technical parameters available on this page for engineering review.
- Global delivery with clear lead time and commercial invoice for B2B buyers.
- Fast B2B support: send us the equipment model or an existing part number and our engineers confirm compatibility before you order.
Ordering the Multipower, MP 45-12
To order the Multipower, MP 45-12, add it to your cart and complete checkout, or use the Request a Quote form for volume purchases and replacement / cross-reference enquiries. Lead time: typically 3–10 working days for in-stock items, subject to confirmation. Worldwide shipping is available and a commercial invoice is provided for customs.