For questions, quotes, or help finding the right battery, feel free to email us at sales@batteryweb.com

🎉 First Order Special 🎉

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

WELCOME5
SigmasTek  |  SKU: BW-15605

CooPower CP12-4.0 High Performance Replacement Battery

Sale price $11.99 USD Regular price $17.28
Shipping calculated at checkout.

➤ Compatible replacement for CooPower CP12-4.0 model

➤ Uses advanced Absorbent Glass Mat (AGM) technology

➤ Maintenance-free and spill-proof design for safety

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

➤ Backed by a 1-year warranty and factory fresh condition


📦🚀 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 | 5 AH

Terminal Type

F1

CooPower CP12-4.0 Replacement Battery — Compatible with CooPower CP12-4.0

Replace your worn-out pack with confidence using this replacement battery designed for the CooPower CP12-4.0 model. This rechargeable Sealed Lead Acid (SLA) battery features Absorbent Glass Mat (AGM) technology for superior reliability, and its maintenance-free, spill-proof construction makes it a safe, low-maintenance power solution. Ideal for users who require a high-performance battery that is also a cost-effective, long-lasting battery option for critical applications.

Key Specifications

  • Model: CooPower CP12-4.0
  • Type: Rechargeable Sealed Lead Acid (SLA) battery
  • 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
  • Product Line Info: CooPower CP12-4.0 Battery (Replacement)*SigmasTek*12 Volts5 AHF1

Benefits

Expect dependable durability and consistent output from this replacement battery. The AGM construction enhances vibration resistance and ensures reliable charge acceptance, translating to longer service life and reduced maintenance needs. As a long-lasting battery designed for demanding use, it performs well in applications such as uninterruptible power supplies (UPS), backup emergency power, security systems, medical devices, and various handheld or portable tools.

Its maintenance-free and spill-proof nature reduces service time and the risk of accidental leaks. U.L. recognition and CE certification demonstrate compliance with recognized safety and quality standards, while arriving brand new and factory fresh ensures peak performance from day one. The included 1 year warranty further protects your purchase, giving confidence in your replacement choice.

For users seeking a reliable, high-performance replacement battery that restores full capability to their equipment, the CooPower CP12-4.0 is a trustworthy option that balances performance, safety, and value.

Ready to restore reliable power? Buy this high-performance replacement battery for your CooPower CP12-4.0 now and get dependable backup power supported by a 1 year warranty.



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.