Welcome to our store. Your trusted source for batteries and power solutions. Learn more

For support or quotes: sales@batteryweb.com

WELCOME5
SigmasTek  |  SKU: BW-13717

MK Battery ES8.2-6S Compatible Replacement Battery 3.31 lb

22% off
Sale price $31.99 USD Regular price $40.99
Shipping calculated at checkout.
Absorbent Glass Mat (AGM) technology for enhanced performance
Maintenance-free and spill-proof design for hassle-free use
U.L. recognized and CE certified for safety and quality assurance
Brand new, factory fresh to ensure reliability and longevity
1-year warranty for peace of mind and protection
In stock

— Ready to ship immediately

Free shipping

Visa Mastercard American Express PayPal Apple Pay Google Pay Shop Pay Discover Klarna Afterpay Stripe

Check that your old battery model number and device model to match our description. This makes sure they work together.


We ship your order same day if you buy it before 4 PM EST.

Send Your Battery Photo

Expert Technician 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 BATTERY IMAGE
Product & Solutions Expert

Product & Solutions Expert

✉ sales@batteryweb.com

🔹 10+ Years Battery Experience 🔹 Fast & Accurate Identification

Battery Care Tips

🔹 Getting Started

Charge your new battery fully before you use it for the first time. Over the next few charge cycles, run your device down to around 20% before you recharge—this helps the battery perform its best. After that, charge whenever you need to.

🔹 Keep It Healthy

Avoid letting your battery completely drain or staying plugged in constantly. Both extremes wear it out faster. Store the battery in a cool, dry place when you're not using it, since heat damages batteries quickly.

Delivery and Shipping

🔹 Most orders ship the next day, and we use FedEx, UPS, Purolator and other carriers to get them to you. Lithium batteries have to ship by ground only, not air or USPS. Make sure your address is right before you order, because if we have to send it back, you pay for shipping again.

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.


Volts & Amps

6 Volts | 8.5 Ah

Terminal Type

F1

MK Battery ES8.2-6S Replacement Battery — Compatible with MK Battery ES8.2-6S

This replacement battery is crafted to fit the MK Battery ES8.2-6S model, offering dependable compatibility, stable output, and maintenance-free convenience. The SigmasTek 6 Volt 8.5 Ah sealed lead acid battery utilizes Absorbent Glass Mat (AGM) technology to deliver a high-performance battery alternative that is brand new and factory fresh. If you need a long-lasting battery for backup or portable power, this ES8.2-6S replacement provides consistent energy and industry certifications for safe use.

Key Specifications

  • Compatible Model: MK Battery ES8.2-6S
  • Replacement Brand: SigmasTek
  • Voltage: 6 Volts
  • Capacity: 8.5 Ah
  • Terminal Type: F1
  • Battery Type: Rechargeable Sealed Lead Acid (SLA)
  • Technology: Absorbent Glass Mat (AGM) Technology
  • Design: Maintenance-Free with Spill Proof Construction
  • Safety & Compliance: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty

Benefits

The MK Battery ES8.2-6S replacement battery is engineered for resilience and reliable cycle life. AGM technology enhances charge acceptance, reduces internal resistance, and prevents leakage—yielding a sealed, maintenance-free battery that performs well in both float and cyclic modes. As a high-performance battery, it supports dependable startup and runtime for sensitive equipment and backup applications while providing a long-lasting battery experience when properly maintained.

Common applications include uninterruptible power systems (UPS), emergency lighting and exit signage, alarm and security systems, medical backup electronics, and portable tools that require a compact 6V power solution. The balance of 6V and 8.5 Ah offers practical runtime for many standby scenarios while remaining easy to install and handle. With U.L. recognition and CE certification, this replacement battery meets recognized safety standards for installation in diverse environments.

For buyers seeking a cost-effective, high-performance replacement battery that preserves OEM-level reliability, the SigmasTek MK Battery ES8.2-6S replacement is a trustworthy option backed by a one-year warranty.

Ready to replace your old battery with a durable, long-lasting battery? Purchase the MK Battery ES8.2-6S replacement today and ensure continuous power for your critical equipment.

Technical Specifications

Voltage6 Volts
Amp Hours8.5 Ah
Terminal TypeF1
Length (in.)3.86
Width (in.)2.2
Height (in.)4.65
Weight (lb.)3.31

Product Highlights

  • Brand Replacement : MK Battery ES8.2-6S
  • Manufacturer: SigmasTek
  • Product Type: SLA Batteries
  • Warranty: 12 Months
  • Bulk Orders: sales@batteryweb.com

Payment & Security

Payment methods

  • American Express
  • Apple Pay
  • Bancontact
  • 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.