Tripp Lite UPS Model SU20K3/3 Compatible Replacement Battery Backup Set

Tripp Lite UPS Model SU20K3/3 Compatible Replacement Battery Backup Set

$641.52 $657.44
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  • Manufacturer: UPSANDBATTERY™
  • Warranty: 1 Year Free Warranty
  • Battery Type: Maintenance-Free Sealed Lead Acid Battery
  • For Bulk Orders and Pricing: Call 1-800-748-1102

Introducing the UPSANDBATTERY Sealed Lead Acid High-Rate Discharge Series Batteries. Our batteries are designed to power your uninterruptible power supply (UPS) system efficiently and effectively. Our high-rate discharge series batteries offer a range of benefits compared to general-purpose batteries, making them an ideal choice for anyone looking to upgrade their UPS system.


1. The High Rate Discharge series is a cutting-edge electrical energy storage solution, boasting a 20% higher energy density compared to comparable products in the same volume range. This is achieved through the use of a specialized formula in the production of lead calcium alloy and automated manufacturing processes, resulting in reduced gassing and improved performance.

2. These batteries feature a low self-discharge rate, exceptional reliability, and improved safety, due to their low resistance design, making recharging effortless and maximizing energy output. The design of these batteries utilizes an absorbent glass mat (AGM) technology, which allows for the retention of the battery electrolytes within the mat, reducing the risk of leaks in the event of battery damage.

3. AGM batteries are ideal for applications requiring a high current output, and can have a long life expectancy if they are not discharged beyond 60% and are fully recharged every 3-6 months.


  • Superior Performance: Our high-rate discharge series batteries are designed to provide high discharge rates and rapid recharge times. This allows your UPS system to respond quickly and efficiently in the event of a power outage, ensuring that your valuable equipment is protected.

  • High-Quality Construction: Our batteries are made using only the highest quality materials and manufacturing processes. This ensures that they are durable, long-lasting, and can withstand the demands of a high-performance UPS system.

  • Enhanced Reliability: Our high-rate discharge series batteries are designed to provide reliable, consistent performance. This means that your UPS system will always be ready when you need it, and your equipment will be protected from power outages and surges.

  • Better than General Purpose Batteries: Our high-rate discharge series batteries offer several advantages over general-purpose batteries. They provide higher discharge rates, faster recharge times, and enhanced reliability, making them the ideal choice for anyone looking to upgrade their UPS system.

  • Quality and Service Guaranteed: At UPSANDBATTERY, we are committed to providing our customers with the highest quality products and the best possible service. Our batteries come with a 1-year warranty, and our team of experts is always available to answer any questions you may have.

Battery Specifications:
Nominal Voltage 12V
Nominal Capacity(20hr) 9AH
Dimension Length 151±2mm(5.94inch)
Width 65±2mm(2.56inch)
Height 94±2mm(3.7inch)
Total Height 98±2mm(3.86inch)
Approx Weight Approx. 2.65kg(+-4%)
Terminal Type F1/F2
container Material ABS(UL-94HB)
Internal Resistance Approx.25mΩ
Rated Capacity 9.0AH (20hr, 1.70V/cell,25℃/77℉)
8.6AH (10hr, 1.75V/cell,25℃/77℉)
8.0AH (5hr, 1.75V/cell,25℃/77℉)
7.3AH (3hr, 1.70V/cell,25℃/77℉)
5.5AH (1hr, 1.60V/cell,25℃/77℉)
Max. Discharge Current 200A(5S)
Nominal Operating Temp. Range 25±3℃ (77±5℉ )
Cycle Use Charge Current Less Than 0.25CA
14.1V~14.7V@25℃(77℉)Temp. Coefficient -30mV/℃
Floating Use 13.5V~13.8V@25℃(77℉)Temp. Coefficient -20mV/℃
Capacity affected by Temperature 40°C 103%
25°C 100%
0°C 86%
-15°C 65%
3 month Remaining capacity: 91%
Self-discharge 6 month Remaining capacity:82%
12month Remaining capacity:65%

UPSANDBATTERY stands out in the market for its high-quality UPS battery supply. We are different from our competitors in several ways, starting with the quality of the lead used in our batteries. UPSANDBATTERY uses only the purest and highest-grade lead to ensure the longevity and performance of their batteries.

Another key aspect that sets UPSANDBATTERY apart is its use of advanced grid plate recombination technology. This technology involves using special alloys and design patterns in the battery's grid plates to allow for maximum recombination of oxygen and hydrogen during the battery's discharge and recharge cycles. This results in a battery that is more efficient, longer-lasting, and able to provide a high rate of discharge.

UPSANDBATTERY's commitment to using the latest and greatest in battery manufacturing technology is evident in their high-rate discharge series sealed lead acid (SLA) batteries. These batteries are designed to provide superior performance, reliable consistency, and a range of benefits compared to general-purpose batteries. The batteries are perfect for anyone looking to upgrade their UPS system and ensure the protection of their valuable equipment.

UPSANDBATTERY also prides itself on its commitment to quality and service. We offer 1-year warranty on our products, and our team of experts are always available to answer any questions and provide support. With our high-quality products and focus on customer satisfaction, it's easy to see why UPSANDBATTERY is a top choice for those in need of a reliable and efficient UPS battery solution.

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Long Lasting Powerful Batteries with 1 year warranty

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Technical Support

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Technical Support

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  • Manufacturer: UPSANDBATTERY™
  • Warranty: 1 Year Free Warranty
  • Battery Type: Maintenance-Free Sealed Lead Acid Battery
  • For Bulk Orders and Pricing: Call 1-800-748-1102

Introducing the UPSANDBATTERY Sealed Lead Acid High-Rate Discharge Series Batteries. Our batteries are designed to power your uninterruptible power supply (UPS) system efficiently and effectively. Our high-rate discharge series batteries offer a range of benefits compared to general-purpose batteries, making them an ideal choice for anyone looking to upgrade their UPS system.


1. The High Rate Discharge series is a cutting-edge electrical energy storage solution, boasting a 20% higher energy density compared to comparable products in the same volume range. This is achieved through the use of a specialized formula in the production of lead calcium alloy and automated manufacturing processes, resulting in reduced gassing and improved performance.

2. These batteries feature a low self-discharge rate, exceptional reliability, and improved safety, due to their low resistance design, making recharging effortless and maximizing energy output. The design of these batteries utilizes an absorbent glass mat (AGM) technology, which allows for the retention of the battery electrolytes within the mat, reducing the risk of leaks in the event of battery damage.

3. AGM batteries are ideal for applications requiring a high current output, and can have a long life expectancy if they are not discharged beyond 60% and are fully recharged every 3-6 months.


  • Superior Performance: Our high-rate discharge series batteries are designed to provide high discharge rates and rapid recharge times. This allows your UPS system to respond quickly and efficiently in the event of a power outage, ensuring that your valuable equipment is protected.

  • High-Quality Construction: Our batteries are made using only the highest quality materials and manufacturing processes. This ensures that they are durable, long-lasting, and can withstand the demands of a high-performance UPS system.

  • Enhanced Reliability: Our high-rate discharge series batteries are designed to provide reliable, consistent performance. This means that your UPS system will always be ready when you need it, and your equipment will be protected from power outages and surges.

  • Better than General Purpose Batteries: Our high-rate discharge series batteries offer several advantages over general-purpose batteries. They provide higher discharge rates, faster recharge times, and enhanced reliability, making them the ideal choice for anyone looking to upgrade their UPS system.

  • Quality and Service Guaranteed: At UPSANDBATTERY, we are committed to providing our customers with the highest quality products and the best possible service. Our batteries come with a 1-year warranty, and our team of experts is always available to answer any questions you may have.

Battery Specifications:
Nominal Voltage 12V
Nominal Capacity(20hr) 9AH
Dimension Length 151±2mm(5.94inch)
Width 65±2mm(2.56inch)
Height 94±2mm(3.7inch)
Total Height 98±2mm(3.86inch)
Approx Weight Approx. 2.65kg(+-4%)
Terminal Type F1/F2
container Material ABS(UL-94HB)
Internal Resistance Approx.25mΩ
Rated Capacity 9.0AH (20hr, 1.70V/cell,25℃/77℉)
8.6AH (10hr, 1.75V/cell,25℃/77℉)
8.0AH (5hr, 1.75V/cell,25℃/77℉)
7.3AH (3hr, 1.70V/cell,25℃/77℉)
5.5AH (1hr, 1.60V/cell,25℃/77℉)
Max. Discharge Current 200A(5S)
Nominal Operating Temp. Range 25±3℃ (77±5℉ )
Cycle Use Charge Current Less Than 0.25CA
14.1V~14.7V@25℃(77℉)Temp. Coefficient -30mV/℃
Floating Use 13.5V~13.8V@25℃(77℉)Temp. Coefficient -20mV/℃
Capacity affected by Temperature 40°C 103%
25°C 100%
0°C 86%
-15°C 65%
3 month Remaining capacity: 91%
Self-discharge 6 month Remaining capacity:82%
12month Remaining capacity:65%

UPSANDBATTERY stands out in the market for its high-quality UPS battery supply. We are different from our competitors in several ways, starting with the quality of the lead used in our batteries. UPSANDBATTERY uses only the purest and highest-grade lead to ensure the longevity and performance of their batteries.

Another key aspect that sets UPSANDBATTERY apart is its use of advanced grid plate recombination technology. This technology involves using special alloys and design patterns in the battery's grid plates to allow for maximum recombination of oxygen and hydrogen during the battery's discharge and recharge cycles. This results in a battery that is more efficient, longer-lasting, and able to provide a high rate of discharge.

UPSANDBATTERY's commitment to using the latest and greatest in battery manufacturing technology is evident in their high-rate discharge series sealed lead acid (SLA) batteries. These batteries are designed to provide superior performance, reliable consistency, and a range of benefits compared to general-purpose batteries. The batteries are perfect for anyone looking to upgrade their UPS system and ensure the protection of their valuable equipment.

UPSANDBATTERY also prides itself on its commitment to quality and service. We offer 1-year warranty on our products, and our team of experts are always available to answer any questions and provide support. With our high-quality products and focus on customer satisfaction, it's easy to see why UPSANDBATTERY is a top choice for those in need of a reliable and efficient UPS battery solution.

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ORDER PROCESSING

We ship from Toronto to Worldwide.
We process orders within 1-2 business days (excluding weekends and holidays).
Pre-ordered items are processed within 2-3 business days of arrival in stock.

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If you do not receive an e-mail, please check your spam filter or contact us for confirmation.

If you need any assistance with your order, please contact us immediately at support@upsandbattery.com. We will not be able to make changes to your order after it has shipped.

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