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SigmasTek  |  SKU: BW-16613

BSB GB12-18 High Performance Replacement Battery

Sale price $38.99 USD Regular price $80.10
Shipping calculated at checkout.

➤ Compatible with BSB GB12-18 model for seamless replacement

➤ Absorbent Glass Mat (AGM) technology ensures reliable performance

➤ Maintenance-free and spill-proof design for worry-free use

➤ U.L. Recognized and CE Certified for safety and quality assurance

➤ Includes 1-year warranty for peace of mind


📦🚀 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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Snap a photo or video of your battery and send it to us. We'll identify the exact replacement—fast and hassle-free. Our team has helped thousands of customers find the right battery quickly and easily.
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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 | 18 Ah

Terminal Type

Nut & Bolt

BSB GB12-18 Battery (Replacement) — Compatible with BSB GB12-18

This high-quality replacement battery is engineered for full compatibility with the BSB GB12-18 model, delivering reliable performance and dependable power when you need it most. Built with advanced Absorbent Glass Mat (AGM) technology and a maintenance-free, spill-proof design, this BSB GB12-18 replacement battery is a high-performance battery solution trusted for everyday and critical applications. If you are looking for a long-lasting battery that meets or exceeds OEM SLA specifications, this option provides the durability and consistent output required for UPS systems, emergency backup, medical devices, security systems, and power tools.

Key Specifications

  • Model: BSB GB12-18 (Replacement)
  • Brand: SigmasTek
  • Voltage: 12 Volts
  • Capacity: 18 Ah
  • Terminal Type: Nut & Bolt
  • Battery Type: Rechargeable Sealed Lead Acid (SLA)
  • Technology: Absorbent Glass Mat (AGM)
  • Design: Maintenance-Free with Spill Proof Construction
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty
  • Compatibility: Meets or exceeds OEM SLA battery specifications for BSB GB12-18

Benefits

Designed for long-term reliability, this replacement battery offers enhanced durability and consistent performance over its service life. AGM construction provides excellent vibration resistance and leak-free operation, making this a dependable, long-lasting battery for both stationary and mobile applications. The maintenance-free design eliminates the need for periodic electrolyte checks, simplifying maintenance and reducing downtime.

As a high-performance battery, the BSB GB12-18 replacement delivers steady voltage under load, supporting sensitive electronics and critical systems. Typical applications include UPS and emergency power systems, alarm and security equipment, medical instruments, telecommunication devices, and portable power tools. Whether used for daily cycling or standby backup, this SLA battery is engineered to supply consistent current when needed most.

Certified by U.L. and CE, and supplied brand new and factory fresh, this replacement battery meets rigorous safety and manufacturing standards. Backed by a one-year warranty, you can purchase with confidence knowing the product is covered and compatible with your BSB GB12-18 requirements.

Ready to upgrade? Add this BSB GB12-18 replacement battery to your cart now for a reliable, long-lasting battery upgrade and enjoy dependable power for your critical equipment.


Payment & Security

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