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SigmasTek  |  SKU: BW-16296

National C02G High Performance Replacement Battery

Sale price $18.99 USD Regular price $29.37
Shipping calculated at checkout.

➤ Absorbent Glass Mat (AGM) technology for enhanced performance

➤ Maintenance-free with spill-proof design for safety and convenience

➤ U.L. Recognized and CE Certified for assured quality and reliability

➤ Brand new, factory fresh for maximum lifespan and efficiency

➤ 1 year warranty guarantees peace of mind and product confidence


📦🚀 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 | 2.9 AH

Terminal Type

F1

National Battery C02G Replacement Battery — Compatible with National Battery C02G

This replacement battery provides full compatibility with the National Battery C02G, offering reliable performance, dependable standby power, and long-term durability. Built as a rechargeable Sealed Lead Acid (SLA) battery, it features Absorbent Glass Mat (AGM) technology and a maintenance-free, spill-proof design that meets or exceeds OEM SLA battery specifications for consistent operation.

Key Specifications

  • Model: National Battery C02G (Replacement)
  • 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
  • Brand: SigmasTek
  • Voltage: 12 Volts
  • Capacity: 2.9 AH
  • Terminal: F1

Benefits

  • Durability: AGM design provides superior internal support and resistance to shock and vibration, increasing the battery's resilience in demanding environments.
  • Long Life: Designed for reliable, long-lasting service, this long-lasting battery helps reduce total cost of ownership through extended replacement intervals.
  • High Performance: With optimized discharge and recharge characteristics, this high-performance battery ensures steady power delivery to critical systems when you need it most.
  • Safety Certifications: U.L. Recognition and CE certification indicate tested safety and performance suited for professional and consumer applications.
  • Versatile Applications: Well-suited for UPS systems, emergency lighting, alarm and security systems, medical equipment, telecom devices, and portable tools requiring a compact 12V 2.9AH SLA solution.
  • Maintenance-Free: The sealed, spill-proof construction eliminates the need for watering and reduces maintenance overhead, ideal for sealed enclosures and vertical or inverted installations.

For a dependable replacement battery compatible with your National Battery C02G, choose this SigmasTek 12 Volts 2.9 AH F1 SLA unit. It provides reliable backup power, excellent cycle life, and the safety certifications you expect. Add to cart now to ensure uninterrupted power protection for your equipment.


Payment & Security

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