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12V 45Ah UPS batteries are
sealed lead-acid (SLA), maintenance-free rechargeable units designed for high-rate discharge, ideal for backup power, security systems, and UPS, with common models like UPLUS US12-45, LONG WP45-12, and Vision 6FM45D-X. They typically feature F11 (or M6) terminals and measure approximately .
Key Features and Specifications
- Capacity & Voltage: 12 Volt 45 Ampere-hour (Ah).
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Jopower JP12-45 12V 45Ah Replacement Battery
UPS Battery Center
https://www.upsbatterycenter.com › jopower-jp12-45-12...
UPS Battery Center
https://www.upsbatterycenter.com › jopower-jp12-45-12...
Jopower JP12-45 12V 45Ah Sealed Lead Acid Battery. High quality fresh new battery, 1 year warranty included. Performance Guaranteed!
$129.995-day delivery30-day returns
APCBAT42AHSMF UPS System Battery 12v 45Ah
OSI Batteries
https://www.osibatteries.com › apcbat42ahsmf-ups-syste...
OSI Batteries
https://www.osibatteries.com › apcbat42ahsmf-ups-syste...
Vision 6FM45D-X is a high quality aftermarket battery that fits APCBAT42AHSMF model uninterruptible power supply systems.
$118.25In stock2–4 day delivery30-day returns
Popular products
- Sterling H45-12 12V 45Ah Replacement BatteryUPS Battery Center - US
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- GP GB45-12X 12V 45Ah Replacement BatteryUPS Battery Center - USGP GB45-12X 12V 45Ah Replacement BatteryUPS Battery Center - US
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UPSBatteryCenter 12V 45Ah Compatible Replacement ...
Amazon.com
https://www.amazon.com › SLA1161-Volt-Replacemen...
Amazon.com
https://www.amazon.com › SLA1161-Volt-Replacemen...
Direct replacement, exact fit, charged, and ready for use. 12V 45Ah Sealed Lead Acid Replacement Battery with F11 - Insert Terminals; Outer housing dimensions ( ...Read more
$159.99In stock30-day returns
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12V 45Ah AGM UPS Systems Battery
bullsbattery
https://www.bullsbattery.com › UPS › 12V-45Ah-AGM-...
bullsbattery
https://www.bullsbattery.com › UPS › 12V-45Ah-AGM-...
12V 45Ah VRLA UPS Battery. The BP MEDIUM series offers a 10 years full maintenance free design life. With a compact design and good reliability, ...Read more
People also ask
How long will a 45Ah battery last?
A well-maintained 45Ah car battery typically lasts 3 to 5 years. Factors such as driving style, frequent short trips, extreme weather, or leaving lights on when the engine is off can affect its lifespan. To extend its life: Take your car on regular longer drives to allow full charging.
High-Quality 45Ah Car Battery - BMS Technologies
BMS Technologies
https://www.bmstechnologies.co.uk › by-capacity-car-45ah
BMS Technologies
https://www.bmstechnologies.co.uk › by-capacity-car-45ah
What type of battery is best for UPS?
Lithium-Ion UPS Batteries
Lithium-Ion UPS Batteries
The advantages of Li-Ion include higher reliability than traditional VRLA/SLA batteries because of built-in battery monitoring and management systems, which check every individual cell for any change in performance.
The advantages of Li-Ion include higher reliability than traditional VRLA/SLA batteries because of built-in battery monitoring and management systems, which check every individual cell for any change in performance.
Different Types Of UPS Batteries - Riello UPS
Riello UPS
https://www.riello-ups.com › questions › 60-different-ty...
Riello UPS
https://www.riello-ups.com › questions › 60-different-ty...
What can I use instead of a L1154 battery?
Common Alkaline Equivalents (1.5V):
- LR44: (Most common, widely available)
- AG13
- A76: (Duracell/Energizer)
- G13, G13A
- V13GA: (Varta)
- LR1154
Silver Oxide Equivalents (1.55V - Longer Lasting):
- SR44: (IEC Standard)
- 357, D357, D357H
- SR44SW: (Low Drain)
- 303, D303
How to Choose:
- For general electronics (toys, calculators, remotes): Any alkaline LR44/AG13 equivalent will work perfectly.
- For watches or devices needing consistent power: A silver oxide battery (SR44/357) offers a more stable voltage and longer life, though it's slightly higher voltage, it's usually fine.
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Is it worth replacing batteries in UPS?
Yes, replacing a UPS battery is usually worth it, especially for critical devices, as it's cheaper and more environmentally friendly than a new unit, but it depends on the UPS age, type, and your usage; batteries typically last 3-5 years (lead-acid) or longer (lithium-ion), so replace if you notice reduced runtime, alarms, or physical swelling, but consider a new UPS if the unit is old or fails at the first outage, notes.
This video shows how to replace batteries in a CyberPower UPS:
CKTechCheck
YouTube · Jun 8, 2025
Reasons to replace the battery
- Cost-effective: New batteries are significantly cheaper than buying a whole new UPS.
- Environmental: It's better to replace just the battery than to discard the whole unit.
- Critical Data/Operations: Ensures your important devices (computers, servers, medical equipment) stay protected during outages.
Signs your battery needs replacing
- Warning Alarms: The UPS beeps or flashes lights indicating a battery issue.
- Reduced Runtime: The backup time during a power outage is shorter than it used to be.
- Physical Damage: The battery casing looks swollen, deformed, or is leaking.
- Age: The battery is 3-5 years old (for lead-acid) or 8-10 years (for lithium-ion).
- System Failure: The UPS fails to provide power during an outage.
You can watch this video to see an example of replacing UPS batteries:
Computer Hardware Tips and Tutorials
YouTube · Nov 26, 2025
When to consider a new UPS instead
- Very Old Unit: The entire UPS unit is nearing the end of its overall lifespan.
- Frequent Failures: The unit fails at the first power hit, suggesting hardware issues beyond the battery.
- Proprietary Cartridges: Some brands use costly proprietary battery packs, making replacement less attractive.
AI responses may include mistakes. Learn more
How Long Do UPS Batteries Last?
Mar 21, 2025 — How often should a UPS battery be replaced? UPS batteries should typically be replaced every 3-5 years for VRLA (valve...
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Replacement for UB12400 12V 45Ah ...
Bigtime Battery
https://www.bigtimebattery.com › store › Replacement-f...
Bigtime Battery
https://www.bigtimebattery.com › store › Replacement-f...
Replacement for UB12400 12V 45Ah UB12400 UPS Backup Battery CSB GP12400 GP 12400. $139.99 Reg. Price $171.47 You Save $31.48. In stock.Read more
$139.9930-day returns
PowerStar 12V 45Ah BTP880 Sealed Lead AGM Battery ...
Walmart
https://www.walmart.com › ... › 12 Volt AGM Batteries
Walmart
https://www.walmart.com › ... › 12 Volt AGM Batteries
100% Compatible OEM replacement for UPS Systems, Telecommunications, Solar Power, and More. If It's Not a PowerStar, It's Just a Battery. | 2 Year Warranty.Read more
$139.99Free 90-day returns
45ah Ups Battery(999+)
Alibaba
https://www.alibaba.com › ... › Lead Acid Batteries
Alibaba
https://www.alibaba.com › ... › Lead Acid Batteries
Types of Lead Acid Batteries. Different operating requirements are currently supported by several kinds of 45ah ups battery, helping renewable energy systems.
12v 50a UPS Battery replaces 45ah Gruber Power GPS ...
Wholesale Batteries Direct
https://www.wholesalebatteriesdirect.com › 53536-12v-5...
Wholesale Batteries Direct
https://www.wholesalebatteriesdirect.com › 53536-12v-5...
This 12 Volt 50 ah UB12500 UPS Backup Battery replaces 12v 45ah Gruber Power GPS 12450, GPS45-12 with 1 year warr.
$127.95In stockFree delivery30-day returns
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Discussions and forums
Can I use a 12V 45Ah car battery for a PC UPS instead of the build-in ...
Reddit ·
r/AskElectronics
· 20+ comments
· 13 years ago
Can I use a 12V 45Ah car battery for a PC UPS instead of the build-in ...
Reddit ·
r/AskElectronics
· 20+ comments
· 13 years ago
Use of UPS type 12v 45ah batteries in place of AGM automotive ...
PriusChat ·
4 years ago
Use of UPS type 12v 45ah batteries in place of AGM automotive ...
PriusChat ·
4 years ago
Can I use 12v 45AH for my UPS?
Quora ·
2 answers
· 7 years ago
Can I use 12v 45AH for my UPS?
Quora ·
2 answers
· 7 years ago
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45AH UPS Power Batteries
Future Green Technology Co., Ltd.
https://www.futuregreenbattery.com › 45ah-ups-power-b...
Future Green Technology Co., Ltd.
https://www.futuregreenbattery.com › 45ah-ups-power-b...
Professional 45AH UPS Power Batteries Manufacturer. We are committed to providing innovative, cost-effective and sustainable 45AH UPS Power Batteries ...
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