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SigmasTek  |  SKU: BW-13582

12V 35Ah Sealed Lead Acid Replacement Battery

Sale price $113.29 USD Regular price $137.18
Shipping calculated at checkout.

➤ 12 Volt 35 Amp capacity for reliable power supply

➤ Absorbent Glass Mat (AGM) technology for enhanced performance

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

➤ U.L. recognized and CE certified to ensure quality and compliance

➤ Backed by a 1-year warranty for peace of mind


📦🚀 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

12 Volt 35 Amp Sealed Lead Acid Battery Replacement - Compatible with 12 Volt 35 Amp Model

This replacement Sealed Lead Acid (SLA) 12 Volt 35 Amp battery offers a high-performance battery option for applications that require robust capacity and reliable operation. Built with Absorbent Glass Mat (AGM) technology and a maintenance-free, spill-proof design, this SigmasTek replacement battery meets or exceeds OEM SLA specifications and is guaranteed to be fully compatible with your Sealed Lead Acid 12 Volt 35 Amp model. UL recognized and CE certified, this long-lasting battery is factory fresh and backed by a one year warranty.

Key Specifications

  • Compatible Model: Sealed Lead Acid 12 Volt 35 Amp
  • Brand: SigmasTek
  • Battery Type: Sealed Lead Acid (SLA)
  • Technology: Absorbent Glass Mat (AGM)
  • Voltage: 12 Volts
  • Capacity: 35 AH (35 Amp as listed in product text)
  • Terminal Type: Nut & Bolt
  • Design: Maintenance-Free, Spill Proof Construction
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year
  • Compatibility Guarantee: 100% compatibility with the Sealed Lead Acid 12 Volt 35 Amp model

Benefits

This replacement battery is engineered for longevity and dependable performance. AGM technology provides enhanced charge acceptance, lower internal resistance, and improved cycle life compared to older flooded designs, making this a true long-lasting battery choice. The sealed, maintenance-free construction removes the need for watering or frequent checks, and the spill-proof design allows safe installation in confined or upright locations.

As a high-performance battery, it is well-suited to demanding applications that require sustained reserve capacity and reliable start-up power. The Nut & Bolt terminals ensure secure electrical connections in installations that experience vibration or frequent handling, increasing durability and reducing the chance of connection faults.

Typical applications include uninterruptible power supplies (UPS), emergency lighting and backup systems, telecom and network equipment, security and alarm systems, mobility vehicles, and industrial tools. Its combination of 12 Volt, 35 AH capacity, and AGM construction make it an excellent replacement battery for devices that demand sustained power delivery and consistent recharge characteristics.

Certified safety listings (U.L. Recognized and CE Certified) and a one year warranty give additional confidence in performance and regulatory compliance. Being brand new and factory fresh ensures the cells are ready for immediate use, and the supplier’s compatibility guarantee reduces installation uncertainty.

Ready to upgrade to a reliable, long-lasting battery? Purchase this 12 Volt 35 Amp replacement battery today to secure a high-performance battery with fast availability and trusted safety certifications.


Payment & Security

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