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

New collections added! Learn more

🎉 First Order Special 🎉

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

WELCOME5
SigmasTek  |  SKU: BW-15784

12V 35Ah SLA Compatible Replacement Battery for EVH12340

Sale price $119.46 USD Regular price $137.18
Shipping calculated at checkout.

➤ Compatible replacement for 12V-35AH EVH12340 sealed lead acid batteries

➤ Meets or exceeds OEM SLA battery specifications for reliable performance

➤ Brand new, factory fresh, and high-quality construction for long life

➤ Includes a minimum one-year warranty for peace of mind

➤ UL listed and ships within 24 hours for fast, trusted delivery


📦🚀 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 | 35 AH

Terminal Type

Nut & Bolt

12V-35AH Sealed Lead Acid Replacement Battery for EVH12340 - Compatible with EVH12340

Restore reliable power to your equipment with this compatible 12V-35AH Sealed Lead Acid Battery Replacement for EVH12340. Designed to meet or exceed OEM SLA battery specifications, this replacement battery provides consistent performance and long-term reliability for backup and portable power needs. If you require a high-performance battery that delivers dependable runtime and safe, maintenance-free operation, this EVH12340-compatible unit is an excellent choice.

Key Specifications

  • Model Compatibility: EVH12340
  • Voltage: 12 Volts
  • Capacity: 35 Amp-Hours (35AH)
  • Battery Type: Sealed Lead Acid (SLA), rechargeable
  • Condition: Brand New, Factory Fresh
  • Brand: SigmasTek
  • Terminal Type: Nut & Bolt
  • UL Listed: Yes
  • Warranty: Minimum 1 Year
  • Shipping: In stock, typically ships within 24 hours

Benefits

This EVH12340 replacement battery is engineered for durability and long service life. Its sealed, maintenance-free SLA design prevents spills and reduces routine upkeep, making it ideal for both stationary and portable applications. As a long-lasting battery, it offers reliable charge acceptance and stable discharge characteristics for consistent operation in critical systems.

Use this high-performance battery for UPS systems, emergency lighting and power, security and alarm systems, medical devices, and portable equipment or tools that demand dependable backup. The robust construction helps resist vibration and the wear of repeated charge/discharge cycles, extending service life and reducing downtime. The included UL listing and one-year warranty add an extra layer of assurance for safety and quality.

Our team guarantees 100% compatibility with your EVH12340 model and provides fast fulfillment to minimize equipment downtime. If you require assistance with purchase or compatibility, customer service is available to help.

Buy your 12V-35AH Sealed Lead Acid replacement battery for EVH12340 today — secure a high-performance, long-lasting battery with reliable compatibility and fast shipping. Order now to restore power and protection to your equipment.


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.