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SigmasTek  |  SKU: BW-15738

BSB DB12-40 High Performance Replacement Battery

Sale price $113.99 USD Regular price $170.58
Shipping calculated at checkout.

➤ Compatible replacement for BSB DB12-40 model

➤ Absorbent Glass Mat (AGM) technology for enhanced performance

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

➤ U.L. recognized and CE certified for safety and quality

➤ Comes brand new with a 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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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 | 40 Ah

Terminal Type

Nut & Bolt

BSB DB12-40 Replacement Battery — Compatible with BSB DB12-40

This BSB DB12-40 replacement battery is engineered for reliable compatibility, consistent performance, and proven reliability. Designed as a direct fit for your BSB DB12-40 device, this rechargeable Sealed Lead Acid (SLA) option delivers dependable power for critical applications where downtime is not acceptable. If you need a high-quality replacement battery that meets or exceeds OEM SLA battery specifications, this SigmasTek-supplied BSB DB12-40 is built to provide the dependable, long-lasting battery performance you expect.

Key Specifications

  • Model: BSB DB12-40 (Replacement)
  • Compatible Model: BSB DB12-40
  • Chemistry: Rechargeable Sealed Lead Acid (SLA)
  • Technology: Absorbent Glass Mat (AGM) Technology
  • Design: Maintenance-Free with Spill Proof Construction
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty
  • Supplier/Brand Marking: SigmasTek
  • Voltage: 12 Volts
  • Capacity: 40 Ah
  • Terminal Type: Nut & Bolt

Benefits

This replacement battery delivers a range of benefits that make it a smart choice for both home and professional use. Built with AGM technology, the pack is maintenance-free and spill-proof, offering enhanced safety and simplified installation. The sealed construction protects internal components and minimizes the need for upkeep, while U.L. recognition and CE certification confirm that safety and quality standards are met.

As a high-performance battery replacement, the BSB DB12-40 is engineered to provide steady discharge characteristics, reliable rechargeability, and consistent voltage under load. That makes it an excellent option for backup power systems and devices that require dependable energy delivery. Its durable construction supports long life and reduces the frequency of replacements, making it a cost-effective investment over time.

Typical applications include UPS systems, emergency power supplies, alarm systems, medical equipment, electric tools, and other critical devices that depend on a long-lasting battery for uninterrupted operation. Whether you need a replacement battery for daily use or as a standby power source, this 12 Volt 40 Ah SLA pack is optimized for reliability and continuous service.

Ready to replace your old pack? Order this BSB DB12-40 replacement battery today and enjoy a high-performance battery with proven compatibility, a 1 year warranty, and the safety certifications you require. Purchase now to secure dependable, long-lasting battery power.



Payment & Security

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