AJC D3.4S F2 Compatible Replacement Battery
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⚠️ 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 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 | 3.5 Ah
Terminal Type
F2
AJC D3.4S F2 Replacement Battery — Compatible with AJC D3.4S F2
Designed for reliable compatibility and consistent performance, this replacement battery for the AJC D3.4S F2 delivers dependable power when you need it most. Whether you're restoring backup power or replacing a worn cell, this high-performance battery meets or exceeds OEM SLA specifications to ensure smooth operation and long service life. Built with quality materials and factory-fresh construction, the AJC D3.4S F2 replacement battery is a long-lasting battery solution you can trust for critical systems and everyday devices.
Key Specifications
- Compatible Model: AJC D3.4S F2
- Replacement Brand: SigmasTek
- Voltage: 12 Volts
- Capacity: 3.5 Ah
- Terminal Type: F2
- Battery Chemistry: Sealed Lead Acid (SLA) with Absorbent Glass Mat (AGM) Technology
- Design: Maintenance-Free with Spill Proof Construction
- Certifications: U.L. Recognized and CE Certified
- Condition: Brand New, Factory Fresh
- Warranty: 1 Year Warranty
Benefits
- Durability: Constructed with AGM technology and spill-proof casing for robust, vibration-resistant performance in portable and fixed installations.
- Long Life: Factory-fresh cells and maintenance-free design reduce replacement frequency, offering a long-lasting battery option that extends service intervals.
- High Performance: Engineered to meet or exceed OEM SLA specifications, this replacement battery provides stable voltage output and dependable discharge/recharge cycles for critical loads.
- Reliable Safety & Certification: U.L. recognition and CE certification provide assurance of safety and compliance in a variety of markets and regulated applications.
- Versatile Applications: Ideal for UPS systems, emergency power backup, alarm systems, security devices, small medical equipment, consumer electronics, and a wide range of portable tools and devices requiring a 12V SLA solution.
- Maintenance-Free Convenience: No topping-up required—sealed design and AGM construction minimize upkeep while reducing the risk of leaks and corrosion.
Ready to replace your worn battery? Order the AJC D3.4S F2 replacement battery today to restore reliable power with a high-performance battery that’s built to last. Click to purchase and enjoy fast shipping and a 1 year warranty on this long-lasting battery solution.
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