Alexander G1240 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.
   🔹  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 | 5 AH
Terminal Type
F1
Alexander G1240 Battery (Replacement) — Compatible with Alexander G1240
This Alexander G1240 replacement battery delivers reliable compatibility, consistent performance, and proven reliability for devices that require the Alexander G1240 model. Engineered as a rechargeable Sealed Lead Acid (SLA) pack, this replacement battery is an excellent high-performance battery option when you need a dependable power source. Built with Absorbent Glass Mat (AGM) technology and a maintenance-free, spill-proof design, the Alexander G1240 replacement battery provides stable output and long service life so you can trust it in critical applications. If you’re searching for a long-lasting battery that meets or exceeds OEM specifications, this Alexander G1240 battery is designed to restore power and confidence to your equipment.
Key Specifications
- Model compatibility: Alexander G1240 (Replacement)
- Battery type: Rechargeable Sealed Lead Acid (SLA)
- Technology: Absorbent Glass Mat (AGM) Technology
- Design: Maintenance-Free Design with Spill Proof Construction
- Certifications: U.L. Recognized and CE Certified
- Condition: Brand New, Factory Fresh
- Warranty: 1 Year Warranty
- Brand: SigmasTek
- Voltage: 12 Volts
- Capacity: 5 AHF1
- Meets or exceeds OEM SLA battery specifications
Benefits
- Durability: The AGM construction and sealed design resist vibration and reduce leakage risk, delivering robust performance over repeated charge cycles.
- Long life: Designed as a long-lasting battery replacement, it provides stable capacity retention and consistent power delivery for extended service intervals.
- High performance: As a high-performance battery, it supports reliable recharge and discharge characteristics ideal for standby and cyclic use.
- Maintenance-free convenience: The sealed, spill-proof build removes the need for water top-ups and regular maintenance, simplifying ownership.
- Safety and compliance: U.L. Recognition and CE certification ensure industry-standard safety and manufacturing controls.
- Versatile applications: Perfect for UPS systems, emergency power backups, alarm systems, medical devices, mobility equipment, and portable tools where dependable SLA power is required.
- OEM-level fit and function: Meets or exceeds OEM SLA battery specifications so you can replace the original Alexander G1240 with confidence.
- Ready out of the box: Arrives brand new and factory fresh, backed by a 1 year warranty for added peace of mind.
Ready to upgrade your equipment with a reliable replacement battery? Order the Alexander G1240 replacement today to get a high-performance, long-lasting battery that restores dependable power and meets OEM expectations.
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