LightAlarms 840.0012 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
6 Volts | 36 Ah
Terminal Type
F2
LightAlarms 840.0012 Replacement Battery — Compatible with LightAlarms 840.0012
Ensure uninterrupted emergency lighting and backup power with the LightAlarms 840.0012 replacement battery. Built to meet or exceed the OEM SLA battery specifications for the LightAlarms 840.0012 model, this high-performance battery delivers dependable, long-lasting energy for critical systems. Its maintenance-free, spill-proof design makes installation and upkeep easy, while industry certifications back its safety and reliability.
Key Specifications
- Model Compatibility: LightAlarms 840.0012
 - Brand: SigmasTek
 - Battery Type: Sealed Lead Acid (SLA)
 - Technology: Absorbent Glass Mat (AGM) Technology
 - Voltage: 6 Volts
 - Capacity: 36 Ah
 - Terminal Type: F2
 - Design: Maintenance-Free
 - Construction: Spill Proof
 - Certifications: U.L. Recognized and CE Certified
 - Condition: Brand New, Factory Fresh
 - Warranty: 1 Year Warranty
 
Benefits
This replacement battery is engineered for longevity and dependable performance. The AGM construction enhances cycle life and charge efficiency, making it a durable choice for systems that demand consistent power. As a maintenance-free and spill-proof unit, it reduces the risk of leaks and minimizes routine servicing—ideal for installations in hard-to-reach or sensitive environments.
The LightAlarms 840.0012 performs reliably in a variety of applications, including emergency lighting, security alarms, fire alarms, and medical equipment where uninterrupted power is critical. For home and garden devices or consumer electronics that require a sealed SLA battery, this model offers a compact and safe power source. Additionally, the battery is well-suited for use in UPS units, emergency power backup setups, and certain power tools that accept the F2 terminal.
Certified by U.L. and CE, and coming factory fresh with a 1-year warranty, this long-lasting battery gives you peace of mind and predictable performance. Choosing a high-performance battery like this replacement ensures your equipment remains protected during outages and that your emergency systems remain operational.
Don't wait until your next power interruption—order the LightAlarms 840.0012 replacement battery today and secure reliable, long-lasting backup power for your critical systems.
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