For questions, quotes, or help finding the right battery, feel free to email us at sales@batteryweb.com or give us a call at +1 817-210-3321

🎉 First Order Special 🎉

First-time shoppers get 5% OFF on batteries & accessories!

WELCOME5
SigmasTek  |  SKU: BW-16624

B&B BP20-12 Reliable Replacement Battery

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

➤ Compatible replacement for B&B Battery BP20-12 model

➤ Uses advanced Absorbent Glass Mat (AGM) technology

➤ Maintenance-free with spill-proof, sealed design

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

➤ Brand new, factory fresh 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.

📸 Send Your Battery Photo / Unsure? Expert Help

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.
POST YOUR IMAGE

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

B&B Battery BP20-12 Replacement Battery — Compatible with B&B Battery BP20-12

The replacement battery compatible with the B&B Battery BP20-12 delivers dependable compatibility and steady performance for a wide range of sealed lead acid (SLA) applications. Built to meet or exceed OEM SLA specifications, this unit is a high-quality replacement battery that offers reliable, maintenance-free operation and certified safety. If you need a long-lasting battery for backup, emergency systems, or equipment power, the BP20-12 replacement provides the quality and consistency you expect from a factory-fresh product.

Key Specifications

  • Model Compatibility: B&B Battery BP20-12
  • Battery Type: 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
  • Voltage and Capacity: 12 Volts, 18 Ah
  • Terminal Style: Nut & Bolt
  • Brand: SigmasTek (replacement)

Benefits

This BP20-12 replacement battery leverages AGM technology to offer improved charge acceptance and reduced maintenance compared with flooded lead-acid designs. As a high-performance battery replacement, it sustains reliable output under load, making it ideal for frequent cycling or long standby use. The maintenance-free, spill-proof design ensures safe installation and usage in a variety of environments without the need for periodic electrolyte checks or topping up.

Built for durability, this long-lasting battery is an excellent choice for UPS systems, emergency lighting, alarm systems, and portable tools that demand reliable power. The nut & bolt terminal configuration ensures a secure, vibration-resistant connection in demanding installations, helping to prevent intermittent contacts in mobile or industrial applications. UL recognition and CE certification confirm that the battery meets recognized safety and quality benchmarks.

Backed by a 1 year warranty and supplied brand new and factory fresh, the BP20-12 replacement battery gives technicians and end-users confidence when restoring system uptime or replacing aging power sources. It’s an effective, affordable solution for replacing worn or failing SLA batteries without sacrificing performance.

Ready to replace your old battery? Purchase this B&B Battery BP20-12 replacement battery today — a trusted, high-performance, long-lasting battery solution for critical backup and everyday applications.


Payment & Security

Payment methods

  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.