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SigmasTek  |  SKU: BW-15215

BS B12-7 High Performance Replacement Battery

Sale price $16.99 USD Regular price $24.71
Shipping calculated at checkout.

➤ Compatible replacement for BS Battery B12-7 with 100% OEM specification match

➤ Brand new, factory fresh sealed lead acid battery for reliable performance

➤ Includes minimum one-year warranty for peace of mind

➤ UL listed for safety and quality assurance

➤ Ships within 24 hours from in-stock inventory for fast delivery


📦🚀 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

F1

BS Battery B12-7 Battery (Replacement)

Replace your BS Battery B12-7 with confidence using this compatible replacement battery. Designed to meet or exceed OEM SLA specifications, this replacement battery is brand new, UL-listed, and guaranteed for compatibility with the BS Battery B12-7 model. It delivers the reliability and performance you need for critical backup and portable power applications.

Key Specifications

  • Compatible Model: BS Battery B12-7
  • Replacement Brand: SigmasTek
  • Condition: Brand New, Factory Fresh
  • Certifications: UL Listed
  • Warranty: Minimum One Year Warranty
  • Voltage: 12 Volts
  • Capacity: 7.5 Ah
  • Terminal Type: F1

Benefits

This replacement battery offers robust durability and dependable performance, making it an excellent long-lasting battery option for both standby and cyclic use. Its construction and manufacturing quality ensure consistent power delivery and reduced maintenance needs, helping to extend the lifetime of the systems it supports.

As a high-performance battery replacement for the BS Battery B12-7, it provides stable voltage under load and low self-discharge, ensuring readiness whenever backup power is required. The UL listing and factory-fresh condition give technicians and end users confidence that this unit meets safety and quality expectations.

Common applications include UPS backup systems, emergency power and lighting, security and fire alarm systems, medical devices, and other small electronic equipment that originally used the BS Battery B12-7. Its compact 12V, 7.5 Ah configuration and F1 terminal make it easy to install as a direct replacement in compatible devices.

Choose this BS Battery B12-7 replacement battery for a reliable, long-lasting battery solution at a competitive price. Purchase now to restore dependable power and receive fast shipping.



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