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SigmasTek  |  SKU: BW-13588

BS Battery B12-26F2 High Performance Replacement Battery Set - 2 Pack

Sale price $178.99 USD Regular price $266.96
Shipping calculated at checkout.

➤ Compatible replacement for BS Battery B12-26F2 sealed lead acid battery

➤ Meets or exceeds OEM SLA battery specifications for reliable performance

➤ Brand new, factory fresh, high quality batteries for long-lasting use

➤ Includes minimum one year warranty for peace of mind

➤ UL listed and shipped within 24 hours with best price guarantee


📦🚀 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 | 26 Ah

Terminal Type

F2

BS Battery B12-26F2 Replacement Battery — Compatible with BS Battery B12-26F2

Upgrade your power backup with this factory-fresh replacement battery compatible with the BS Battery B12-26F2. Designed for dependable performance and engineered to meet or exceed the OEM SLA battery specifications, this high-quality unit delivers the reliable runtime and consistent output you expect from a high-performance battery. Whether you need a long-lasting battery for emergency systems, telecom equipment, or general standby power, this B12-26F2 replacement battery offers proven compatibility and durability you can count on.

Key Specifications

  • Compatible Model: BS Battery B12-26F2
  • Voltage: 12 Volts
  • Capacity: 26 Ah (26 amp-hours)
  • Terminal Type: F2
  • Configuration: Set Of 2 (pair)
  • Brand / Supplier: SigmasTek (replacement for BS Battery)
  • Condition: Brand new, factory fresh
  • Standards: UL listed
  • Warranty: Minimum one year warranty
  • Compatibility Guarantee: 100% compatibility with BS Battery B12-26F2
  • Shipping: In stock, ships within 24 hours

Benefits

This replacement battery is built for endurance and dependable service. As a long-lasting battery solution, it is ideal for both standby and cyclic use in applications where uninterrupted power is critical. The sealed lead acid design provides maintenance-free operation and a non-spillable construction that improves safety and installation flexibility. As a high-performance battery, it delivers steady voltage under load and reliable recharge acceptance, ensuring your UPS, emergency lighting, security systems, or telecom equipment remain protected during outages.

Durability is prioritized through quality manufacturing and strict UL listing for safety compliance. The factory-fresh condition and OEM-matching specifications help guarantee fit and function, while the included warranty and compatibility guarantee provide peace of mind. Typical applications include UPS systems, emergency power packs, alarm and security systems, medical equipment, telecom cabinets, and other critical standby power installations. The pair configuration (set of 2) is convenient for systems requiring matched cells or for replacing multiple batteries at once.

Choosing this BS Battery B12-26F2 replacement means you’re getting a reliable, long-lasting battery that balances cost with performance. With fast shipping and a one-year warranty, it’s an excellent option for professionals and installers who demand consistent uptime.

Ready to replace your BS Battery B12-26F2? Purchase this high-performance replacement battery now and secure reliable power for your equipment today.


Payment & Security

Payment methods

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