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SigmasTek  |  SKU: BW-5455

OPTI-UPS ES650 / 650ES UPS Compatible Replacement Battery 7.28 lb

16% off
New arrival
Sale price $47.99 USD Regular price $56.99
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High rate discharge for OPTI-UPS ES650 / 650ES units
Valve regulated and spill-proof for safe operation
Low self-discharge extends battery readiness
U.L. and CE certified for quality and safety
Brand new with 1-year warranty included
In stock

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Battery Care Tips

🔹 Getting Started

Charge your new battery fully before you use it for the first time. Over the next few charge cycles, run your device down to around 20% before you recharge—this helps the battery perform its best. After that, charge whenever you need to.

🔹 Keep It Healthy

Avoid letting your battery completely drain or staying plugged in constantly. Both extremes wear it out faster. Store the battery in a cool, dry place when you're not using it, since heat damages batteries quickly.

Delivery and Shipping

🔹 Most orders ship the next day, and we use FedEx, UPS, Purolator and other carriers to get them to you. Lithium batteries have to ship by ground only, not air or USPS. Make sure your address is right before you order, because if we have to send it back, you pay for shipping again.

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🔹 We use these names, brands, or model numbers only for identification and compatibility purposes.


Volts & Amps

12 Volts | 12 Ah

Terminal Type

F2

Replacement OPTI-UPS ES650 / 650ES UPS Battery — SigmasTek SP12-12HR (12 Volts 12 AH)

Restore peak performance to your OPTI-UPS ES650 / 650ES with this brand new SigmasTek SP12-12HR replacement UPS battery (12 Volts, 12 AH). Specifically built for high rate discharge UPS applications, this battery offers the reliability and quick-response power your OPTI-UPS ES650 / 650ES requires for short-duration, high-power events. If you need a high-performance UPS battery and a long-lasting battery solution for emergency readiness, this option delivers proven performance.

Key Specifications

  • Model: SigmasTek SP12-12HR
  • Voltage: 12 Volts
  • Capacity: 12 AH
  • High Rate Discharge Design
  • Valve Regulated Spill Proof Construction
  • Low Self-discharge
  • High Vibration Resistance
  • U.L. Recognized and CE Certified
  • Superior Performance
  • Brand New, Factory Fresh
  • 1 Year Warranty
  • Compatible Manufacturer/Model: OPTI-UPS ES650 / 650ES

Benefits

This replacement battery delivers robust durability and dependable life for demanding UPS applications. The valve-regulated, spill-proof design ensures safe indoor use and reduces maintenance, while the low self-discharge characteristic preserves capacity during storage. High vibration resistance and high rate discharge capability make this battery an excellent, long-lasting battery for systems that require quick bursts of power—precisely the behavior expected from a high-performance UPS battery.

Use this battery in uninterruptible power supply units, emergency power systems, and battery-powered tools where short-term, high-current output is necessary. Each battery is factory-tested to meet or exceed OEM specifications for the OPTI-UPS ES650 / 650ES, giving you confidence in compatibility and performance.

  • Durability: Valve-regulated and spill-proof for safe, maintenance-free use
  • Reliability: Low self-discharge keeps battery ready after storage
  • Performance: Designed for high rate discharge UPS applications
  • Applications: UPS units, emergency power supply, battery powered tools

Buy your replacement UPS battery for the OPTI-UPS ES650 / 650ES today and get a superior, high-performance UPS battery backed by a one-year warranty. Order now to secure reliable backup power and quick shipment.

Technical Specifications

Voltage12 Volts
Amp Hours12 Ah
Terminal TypeF2
Length (in.)5.95
Width (in.)3.86
Height (in.)3.7
Weight (lb.)7.27

Product Highlights

  • Brand Replacement : OPTI-UPS ES650
  • Manufacturer: SigmasTek
  • Product Type: UPS Batteries
  • Warranty: 12 Months
  • Bulk Orders: sales@batteryweb.com

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