Simplex 12V 18Ah Retrofit High Performance Replacement Battery
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🔹 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 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
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
⚠️ 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 | 18 Ah
Terminal Type
Nut & Bolt
Simplex 12V 18AH - Retrofit Replacement Battery
The Simplex 12V 18AH - Retrofit replacement battery is engineered to deliver reliable compatibility, consistent performance, and dependable durability for systems that require a proven 12V 18AH power source. Built to meet or exceed the original manufacturer specifications, this high-performance battery offers a high discharge design, wide operating temperature range, and a long expected service life — making it an excellent choice whether you need backup power for safety-critical equipment or a dependable energy source for everyday use. If you are searching for a long-lasting battery that matches the form and function of your existing unit, the Simplex 12V 18AH - Retrofit provides direct-fit reliability and VRLA safety for installation in virtually any orientation.
Key Specifications
- Brand: Simplex
- Model: Simplex 12V 18AH - Retrofit
- Volts: 12 V
- Amp Hours: 18 AH
- Terminal: NB
- Technology: Valve-Regulated Lead Acid (VRLA) sealed battery technology
- UL Certification: Underwriters Laboratories (UL) certified
- Weight: 12.65Lbs
- Length: 7.13 In
- Width: 3 In
- Height: 6.59 In
- Package contains: 1 battery
- Warranty: 1-year Warranty
- Design features: High discharge design, wide operating temperature range, long expected service life
- Compatibility: Guaranteed compatibility with original battery
- ETD: 3 Business Days
- Shipping Methods: UPS Ground and USPS
- Shipping note: We ship in 1 business day for all in-stock items
Benefits
- Durability: Constructed with VRLA sealed technology and certified by UL, the Simplex 12V 18AH - Retrofit replacement battery resists leakage and is safe to operate in any position, increasing installation flexibility and long-term reliability.
- Long Life: Designed for a long expected service life, this long-lasting battery reduces the frequency of replacements and maintenance downtime, delivering extended value for critical systems.
- High Performance: The high discharge design supports demanding loads and rapid power draw, making the unit a true high-performance battery suitable for a variety of applications.
- Safety & Versatility: Sealed VRLA construction allows safe use near people and sensitive electronics, while the NB terminal provides a secure connection for retrofit applications.
- Typical Applications: Ideal for uninterruptible power supplies (UPS), emergency lighting and power, alarm systems, medical equipment backups, telecom standby, and portable tools that require reliable 12V 18AH capacity.
- Guaranteed Fit: Sourced to match original specifications and guaranteed compatibility, this replacement battery streamlines service and minimizes installation surprises.
Ready to replace your worn or underperforming battery? Choose the Simplex 12V 18AH - Retrofit replacement battery for a reliable, high-performance battery solution with VRLA safety and a 1-year warranty. Order now to restore dependable power and enjoy fast shipping and expert customer support.
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