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SigmasTek  |  SKU: BW-15829

NAPA 8228 Compatible Replacement Battery

Sale price $91.99 USD Regular price $137.18
Shipping calculated at checkout.

➤ Compatible replacement for Napa 8228 model

➤ Uses Absorbent Glass Mat (AGM) technology for enhanced performance

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

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

➤ Includes 1-year warranty for reliable protection


📦🚀 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 | 35 AH

Terminal Type

Nut & Bolt

Napa 8228 Rechargeable Sealed Lead Acid (SLA) Battery (Replacement) — Compatible with Napa 8228

Restore dependable power with the Napa 8228 Rechargeable Sealed Lead Acid (SLA) Battery (Replacement). Designed to meet or exceed OEM SLA battery specifications, this replacement battery provides reliable performance and full compatibility with the Napa 8228 model. With AGM technology and a maintenance-free, spill proof design, it’s an ideal choice when you need consistent, safe, and long-lasting power.

Key Specifications

  • Compatible Model: Napa 8228
  • Battery Type: Sealed Lead Acid (SLA)
  • Technology: Absorbent Glass Mat (AGM) Technology
  • Voltage: 12 Volts
  • Capacity: 35 AH (Amp-hours)
  • Terminal Type: Nut & Bolt
  • Design: Maintenance-Free with Spill Proof Construction
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Brand: SigmasTek
  • Warranty: 1 Year Warranty

Benefits

This high-performance battery is engineered to provide dependable service life and steady output across a wide range of uses. The AGM construction supports strong charge acceptance and low internal resistance, which helps preserve performance over time and makes it a true long-lasting battery for demanding applications.

  • Durability: Built with a maintenance-free, spill proof design for safe and reliable installation in enclosed spaces.
  • Long Life: Factory-fresh construction and proven SLA chemistry provide extended runtime and dependable cycling.
  • High Performance: Optimized for both standby and cyclic use, delivering consistent voltage and reliable peaks when needed.
  • Safety & Compliance: U.L. Recognized and CE Certified for trusted operation in professional and consumer products.
  • Typical Applications: Excellent as a replacement battery for UPS systems, emergency power, alarm and security systems, mobility aids, and power tools compatible with the Napa 8228 footprint.

If you’re replacing an aging battery or stocking spare power for mission-critical systems, this Napa 8228 replacement battery offers a balance of performance, safety, and value. It’s a reliable, long-lasting battery solution that aligns with OEM expectations without compromise.

Don’t wait until power fails—order this high-performance replacement battery for the Napa 8228 now and secure dependable backup power backed by a 1 Year Warranty.



Payment & Security

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