Big Beam 2SD12S15 High Performance Replacement Battery By Bright Way
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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 | 18 Ah
Terminal Type
Nut & Bolt
Bright Way 12V 18Ah Replacement Battery for Big Beam 2SD12S15
The Bright Way 12V 18Ah replacement battery is engineered to provide dependable compatibility, superior performance, and trusted reliability for your Big Beam 2SD12S15 emergency lighting system. Designed specifically for emergency light applications, this high-performance battery delivers the steady, long-running power you need when the lights go out. If you need a long-lasting battery that fits your Big Beam 2SD12S15 precisely, this Bright Way unit is built to keep your system operational during outages and everyday use.
Key Specifications
- Compatible Model: Big Beam 2SD12S15
- Brand: Bright Way
- Voltage: 12 Volt
- Capacity: 18 Amp hour (18 Ah)
- Terminal Type: NB terminal (Nut & Bolt)
Benefits
This Bright Way replacement battery focuses on durability and reliable performance. Constructed from quality materials, it resists premature wear and delivers consistent output over many charge cycles, making it a long-lasting battery option for critical systems. As a high-performance battery designed for emergency lighting, it supports sustained discharge profiles required by exit signs, emergency fixtures, and similar devices. The NB (nut & bolt) terminal ensures secure, vibration-resistant connections for installations where a solid electrical contact matters.
Typical applications include emergency lights, exit signage, building safety systems, and backup lighting assemblies. It also serves well in other standby roles where a dependable 12V, 18Ah supply is required. Whether you’re a building manager, electrician, or facilities technician, this replacement battery helps maintain continuous operation during power interruptions and reduces the need for frequent swaps thanks to its reliable chemistry and robust construction.
Installation is straightforward for systems designed around NB terminals, and the exact fit for the Big Beam 2SD12S15 minimizes installation time and eliminates compatibility guessing. Choose this Bright Way unit when you want a replacement battery that blends long life, dependable performance, and a perfect fit for your emergency lighting needs.
Ready to upgrade your Big Beam 2SD12S15? Purchase this Bright Way high-performance battery now to ensure uninterrupted emergency lighting and peace of mind.
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