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SigmasTek  |  SKU: BW-11270

Sure-Lites SL2646 High Performance Replacement Battery

Sale price $11.65 USD Regular price $13.54
Shipping calculated at checkout.

➤ Meets or exceeds OEM SLA battery specifications for Sure-Lites SL2646

➤ Uses advanced Absorbent Glass Mat (AGM) technology for reliable performance

➤ Maintenance-free and spill-proof design ensures safe, hassle-free use

➤ U.L. recognized and CE certified for guaranteed quality and safety

➤ Backed by a 1-year warranty for peace of mind and long-term dependability


📦🚀 FAST SHIPPING: Usually ships same day if ordered before 2 PM EST

⚠️ 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 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

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: 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 | 7 AH

Terminal Type

F1

Replacement Sure-Lites SL2646 Battery — Compatible with SL2646

Upgrade your emergency lighting system with this replacement battery specifically designed for the Sure-Lites SL2646 model. Engineered for reliable compatibility and consistent performance, this high-performance battery meets or exceeds OEM SLA specifications so you can trust it to deliver dependable power when it matters most. Whether you need a long-lasting battery for emergency lighting or a maintenance-free power solution for safety systems, this replacement battery offers proven reliability and factory-fresh condition for immediate installation.

Key Specifications

  • Model Compatibility: Sure-Lites SL2646
  • Brand: SigmasTek
  • Battery Type: SLA (Sealed Lead Acid)
  • Technology: Absorbent Glass Mat (AGM) Technology
  • Voltage: 6 Volts
  • Capacity: 7 AH
  • Terminal: F1
  • Design: Maintenance-Free
  • Construction: Spill Proof
  • Safety & Compliance: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty

Benefits

This replacement battery delivers durable, long-term performance thanks to AGM technology that provides excellent charge acceptance and low self-discharge. Designed as a long-lasting battery, it resists vibration and heat better than conventional flooded batteries, making it an ideal choice for critical standby power applications. The maintenance-free, spill-proof construction ensures safe, worry-free use in confined spaces and public areas.

Expect high-performance battery behavior from initial installation through many cycles: fast recharge, stable output under load, and consistent start-up power. These characteristics make it suitable not only for emergency lighting but also for an array of safety and backup systems. Typical applications include emergency lighting fixtures, security alarm systems, fire alarm control panels, medical monitoring devices, consumer electronics that require SLA power, and general home & garden backup systems. It also serves well in small UPS units and other emergency power setups where reliability is essential.

Installation is straightforward due to the standard F1 terminal layout and compact SLA form factor, enabling a quick swap from the original SL2646 cell. Backed by U.L. recognition and CE certification, this battery offers confidence in both performance and safety.

Ready to replace your old unit? Order this replacement Sure-Lites SL2646 high-performance battery today and ensure continuous protection with a dependable, long-lasting battery solution. Purchase now to get the best price and compatibility guarantee.


Payment & Security

Payment methods

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