AJC D18S High-Rate Version Compatible 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.
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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
AJC D18S (High-Rate Version) Replacement Battery - Compatible with AJC D18S (High-Rate Version)
The AJC D18S (High-Rate Version) replacement battery is engineered to meet the needs of high-drain applications while providing the compatibility and reliability you expect from an OEM-equivalent SLA pack. Constructed with Absorbent Glass Mat (AGM) technology and a maintenance-free, spill-proof design, this 12V 18Ah sealed lead acid battery is tailored for high-rate performance. It’s a high-performance battery option for equipment that demands strong, reliable bursts of power in critical moments.
Key Specifications
- Model: AJC D18S (High-Rate Version) (replacement)
- Battery Type: Rechargeable Sealed Lead Acid (SLA)
- Technology: Absorbent Glass Mat (AGM)
- Voltage: 12 Volts
- Capacity: 18 Ah
- Terminal Type: Nut & Bolt
- Design: Maintenance-Free, Spill Proof Construction
- Certifications: U.L. Recognized and CE Certified
- Condition: Brand New, Factory Fresh
- Brand: SigmasTek (replacement)
- Warranty: 1 Year Warranty
- Performance: High-Rate Version for enhanced discharge capability
Benefits
- Durability: AGM construction and robust sealing keep internal components protected from vibration and environmental stress.
- Long Life: Quality manufacturing practices and fresh cells help ensure this long-lasting battery maintains capacity for prolonged service.
- High Performance: Specifically identified as a high-rate version, this replacement battery supplies the surge currents required by demanding loads without voltage collapse.
- Maintenance-Free: Sealed, spill-proof design removes the need for routine electrolyte maintenance—perfect for sealed enclosures or difficult-to-access systems.
- Certified Safety: U.L. recognition and CE certification indicate compliance with important safety and quality standards for both consumer and industrial use.
- Common Applications: Ideal as a replacement battery for UPS systems, emergency power backups, alarm and security systems, portable and stationary tools, and other equipment that requires reliable 12V/18Ah output with high-rate capability.
- Secure Connectivity: Nut & bolt terminals provide strong, low-resistance contacts for reliable electrical connections.
When you need a dependable, high-performance replacement battery for the AJC D18S (High-Rate Version), this SigmasTek 12V 18Ah SLA battery delivers the power, safety, and longevity you require. Buy now to ensure uninterrupted performance and take advantage of the included 1 year warranty.
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