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SigmasTek  |  SKU: BW-3454

OPTI-UPS TS1250 / 1250TS UPS Compatible Replacement Battery Set

Sale price $32.99 USD Regular price $48.30
Shipping calculated at checkout.

➤ Replacement set with 2 SigmasTek SP12-7.5HR (12V 7.5AH) batteries

➤ High vibration resistance for durability in UPS units

➤ Valve regulated, spill-proof for safe and clean operation

➤ Low self-discharge for longer shelf life

➤ Certified with 1 year warranty included


📦🚀 FAST SHIPPING: Usually ships same day if ordered before 2 PM EST

⚠️ Quick Reminder

🔹 Please ensure the original battery model number is listed in our product description and that your device model number matches for compatibility.
🔹 We only supply the batteries shown in the images. Device images are provided for reference only.

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Battery Care Guide

Battery Usage and Maintenance Guidelines 🔋

Please read the following instructions carefully before using your new battery. Proper adherence will help ensure optimal performance and extended service life.

1. Cordless Phones, PDAs, and Power Tools (NiMH, NiCd, Lithium-Ion) 📱

Initial Charge

  • Fully charge the battery overnight prior to first use.

Conditioning (First 2–6 Charge Cycles)

  • Operate the device until the battery reaches approximately 20% capacity.
  • Avoid premature recharging.
  • Do not allow the battery to fully discharge during the initial cycles.

Post-Conditioning

  • Recharge the battery only when necessary.
  • These batteries are capable of approximately 500 charge cycles:
  • Once daily → ~500 days
    Twice daily → ~250 days
    Note: Even a partial recharge is considered a full cycle.

2. Sealed Lead Acid (SLA) Batteries 💡

  • No conditioning required.
  • Maintain the battery in a fully charged state; avoid complete discharge.
  • Capable of 300–400 charge cycles.
  • Expected service life: 2–3 years, depending on usage conditions.

3. Laptop Batteries (Lithium-Ion) 💻

Initial Charge

  • Fully charge the battery overnight prior to first use.

Conditioning (First 2–6 Charge Cycles)

  • Charge fully, then discharge to approximately 20% capacity.
  • Avoid complete discharge, as some devices may not detect a fully drained battery.

Post-Conditioning

  • Minimize frequent plugging and unplugging.
  • Allow the battery to discharge moderately at least once per month to maintain optimal performance.
  • Occasional cycling is recommended to sustain battery health.

Professional Recommendation

Adhering to these guidelines will enhance battery longevity and ensure reliable performance.

For further assistance regarding your battery or order, our customer support team is available to provide guidance.

Delivery and Shipping

Everything You Need to Know About Shipping with BatteryWeb (USA)

We know reliable delivery matters when you need power fast. Here’s how BatteryWeb makes shipping easy across the USA:

🚚 Shipping & Delivery

Most orders ship next business day (some products like sealed lead acid may take a little longer).

Same-day shipping available if you order before 11:59 AM (delivery depends on the carrier).

We ship nationwide using FedEx, UPS, USPS, DHL, and regional ground carriers.

Shipping costs are calculated automatically at checkout based on weight, distance, and carrier.

Transit times shown are estimates only (business days, no weekends/holidays).

🌍 Shipping Restrictions

Lithium batteries cannot be shipped by USPS or air. They must go via FedEx Ground, UPS Ground, or DHL Ground.

PO Box deliveries are only available via USPS.

At this time, we do not ship lithium batteries to Puerto Rico. NiMH, NiCd, and Alkaline can be shipped.

📦 Important Notes

Double-check your shipping address! If an incorrect address is used and the order is returned, re-shipping costs are the buyer’s responsibility.

If a product is temporarily out of stock, we’ll notify you right away with the expected restock date—or issue a refund if you prefer.

💲 Currency & Pricing

All prices are shown in USD.

Orders shipped outside the USA may be subject to local taxes, customs fees, or import duties. These are the buyer’s responsibility.

⚡ At BatteryWeb, we’re committed to getting your batteries delivered quickly, safely, and affordably—so you’ll always have the power you need, when you need it.

Disclaimer

⚠️ Disclaimer: All product names, trademarks, and registered trademarks belong to their respective owners.

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

🔹 Our products are generic replacement parts and are not affiliated with, endorsed by, or manufactured by the original equipment manufacturers (OEMs).


Volts & Amps

12 Volts | 7.5 Ah

Terminal Type

F2

Replacement Battery Set for OPTI-UPS TS1250 / 1250TS (SigmasTek SP12-7.5HR)

Maintain uninterrupted protection for your OPTI-UPS TS1250 / 1250TS with this dependable replacement UPS battery set. This two-battery kit uses SigmasTek SP12-7.5HR cells engineered for consistent, long-lasting performance. Perfect for protecting critical electronics and supporting emergency power needs, these high-performance UPS batteries deliver the reliability your system depends on.

Key Specifications

  • Battery model: SigmasTek SP12-7.5HR
  • Quantity: 2 batteries per set
  • Voltage: 12 Volts
  • Capacity: 7.5 Ah (amp-hours)
  • Terminal type: F2
  • Design: High Rate Discharge Design
  • Construction: Valve Regulated Spill Proof
  • Features: Low Self-discharge, High Vibration Resistance
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year
  • Compatibility note: Requires reuse of original cables and hardware from your OPTI-UPS TS1250 / 1250TS

Benefits

This replacement set is built to last, offering a long-lasting battery solution with minimal upkeep. The valve regulated, spill-proof design enhances safety and simplifies installation, while high rate discharge capability supplies the extra power your OPTI-UPS TS1250 / 1250TS may require during peak events. Low self-discharge keeps the unit ready after periods of inactivity and high vibration resistance supports robust performance across many mounting scenarios.

  • Durability: Engineered for steady performance and extended service life.
  • High performance: Optimized as a high-performance UPS battery for short bursts of heavy load.
  • Maintenance-free: Factory-sealed, safe for typical UPS environments.
  • Typical applications: Uninterruptible Power Supply (UPS) systems, emergency power backups, battery-powered tools.

Each set is factory fresh and tested by our technical team to ensure it meets or exceeds OEM standards for the OPTI-UPS TS1250 / 1250TS. Reuse your existing cables and mounting hardware for correct installation and fit.

Ensure continued protection for your equipment—purchase this replacement UPS battery set for the OPTI-UPS TS1250 / 1250TS now for quick shipping and a 1 year warranty.


Payment & Security

Payment methods

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