ELSAR 436 High Performance Replacement Battery
Couldn't load pickup availability
⚠️ 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.
  
📸 Send Your Battery Photo / Unsure? Expert Help
Snap a photo or video of your battery and send it to us. We'll identify the exact replacement—fast and hassle-free. Our team has helped thousands of customers find the right battery quickly and easily.
POST YOUR IMAGE
                    
                      
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 | 12 Ah
Terminal Type
F2
Replacement Battery for ELSAR 436 — ELSAR 436 Compatible SigmasTek 6V 12Ah
Restore dependable operation to your emergency lighting or alarm equipment with this replacement ELSAR 436 battery. Built to meet or exceed OEM SLA specifications, this high-performance battery provides reliable, consistent power and full compatibility with ELSAR 436 systems. With proven AGM technology and a maintenance-free, spill-proof construction, this replacement battery delivers both safety and long-term reliability for critical backup applications.
Key Specifications
- Brand: SigmasTek (replacement brand listed in product text)
 - Compatible Model: ELSAR 436
 - Battery Type: Sealed Lead Acid (SLA) with Absorbent Glass Mat (AGM) Technology
 - Voltage: 6 Volts
 - Capacity: 12 Ah
 - Terminal Type: F2
 - Maintenance: Maintenance-Free Design
 - Construction: Spill Proof Construction
 - 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 output, offering a long-lasting battery solution for a wide range of emergency systems. The AGM design improves charge acceptance and minimizes internal resistance, allowing quicker recharging and reliable standby readiness. As a maintenance-free, spill-proof unit, it reduces downtime and removes the need for routine electrolyte checks or top-ups.
Ideal for emergency lighting, security alarms, fire alarms, and medical equipment, the ELSAR 436 replacement also suits consumer electronics, UPS units, and small-scale emergency power systems. It’s equally practical for tools and portable devices that accept sealed SLA batteries. U.L. recognition and CE certification demonstrate that this high-performance battery adheres to recognized safety standards, making it suitable for both residential and professional installations.
Delivered brand new and backed by a 1-year warranty, this replacement battery offers a balance of cost-efficiency and dependable performance. Whether replacing a depleted unit or stocking spare batteries for preventive maintenance, choose this reliable replacement battery to keep your equipment powered when it matters most.
Don’t wait until a power failure catches you off guard. Purchase this ELSAR 436 replacement battery today and ensure consistent, long-term backup power for your critical systems.
- 
                      Voltage
 - 
                      Amp Hours
 - 
                      Terminal Type
 - 
                      Length (in.)
 - 
                      Width (in.)
 - 
                      Height (in.)
 - 
                      Weight (lb.)
 - 
                      Warranty
 - 
                      Type
 - 
                      Manufacturer
 - 
                      Brand Replacement
 
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
            
      
      
      