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SigmasTek  |  SKU: BW-13408

Amstron AP12-40DC Compatible Replacement Battery

Sale price $113.99 USD Regular price $170.58
Shipping calculated at checkout.

➤ High performance 12V 40AH SLA battery for reliable power

➤ NB terminal design ensures secure and easy connections

➤ Wide operating temperature range for versatile use

➤ Long expected service life for extended durability

➤ VRLA sealed technology allows safe operation in any position


📦🚀 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 | 40 Ah

Terminal Type

Nut & Bolt

Amstron AP12-40DC Replacement Battery — Compatible with Amstron AP12-40DC

Designed as a direct replacement battery for the Amstron AP12-40DC, this high-quality unit delivers consistent 12V power and dependable performance across a wide range of conditions. If you need a reliable, long-lasting battery that meets or exceeds the original manufacturer's specifications, the Amstron AP12-40DC replacement battery is engineered for durability, safe VRLA operation, and UL-certified quality. Ideal for end users who demand a high-performance battery for critical backup and daily-use applications.

Key Specifications

  • Brand: Amstron (replacement compatible)
  • Model: AP12-40DC
  • Volts: 12 V
  • Amp Hours: 40 AH
  • Terminal: NB (Nut & Bolt)
  • Technology: VRLA (Valve-Regulated Lead Acid) sealed battery
  • High discharge design and wide operating temperature range
  • Weight: 29.07 Lbs
  • Dimensions: Length 7.76 In × Width 6.5 In × Height 6.69 In
  • Package contains: 1 battery
  • Warranty: 1-year Warranty
  • Certifications: UL (Underwriters Laboratories) certified
  • Shipping: ETD: 3 Business Days; Shipping Methods – UPS Ground and USPS; We ship in 1 business day for all in-stock items
  • Guaranteed compatibility with original battery

Benefits

  • Durability: Built with VRLA sealed battery technology, this replacement battery resists leakage and can be safely installed in varied orientations and close to sensitive equipment or people.
  • Long life: Engineered for a long expected service life, the Amstron AP12-40DC replacement is a long-lasting battery choice for repeated charge/discharge cycles and extended standby use.
  • High performance: The high discharge design supports demanding loads and reliable power delivery, making it a high-performance battery for critical systems.
  • Versatile applications: Perfect for UPS systems, emergency power backup, alarm systems, telecommunications, mobility devices, and many portable or stationary tools that require 12V 40AH capacity.
  • Safe and certified: UL-certified construction gives added peace of mind for installations near sensitive electronics and in public or commercial environments.
  • Hassle-free replacement: Guaranteed compatibility with the original Amstron AP12-40DC means straightforward installation using NB (nut & bolt) terminals and minimal downtime during swap-out.
  • Support & shipping: Fast shipping options and responsive customer service ensure you receive the right replacement battery quickly and with confidence.

If you rely on stable, dependable power, choose this Amstron AP12-40DC replacement battery — a high-performance battery and long-lasting battery solution made to meet the original specifications and sustain critical loads. Order now to restore peak performance to your equipment and enjoy fast shipping and a 1-year warranty.


Payment & Security

Payment methods

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