SigmasTek STX20-BS High Performance Replacement Battery
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⚠️ 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 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
SigmasTek STX20-BS Motorcycle Battery — Compatible with STX20-BS
The genuine SigmasTek STX20-BS is a premium replacement battery engineered for riders who demand reliable starting power, consistent performance, and maintenance-free operation. Designed to fit motorcycles and other high-rate discharge applications, this high-performance battery delivers the dependable cranking and reserve capacity you expect from a factory-fresh unit. If you need a long-lasting battery that removes the hassle of acid filling and frequent maintenance, the SigmasTek STX20-BS offers a spillproof, sealed AGM solution built for the road.
Key Specifications
- Model: STX20-BS (SigmasTek STX20-BS)
- Brand: SigmasTek
- Voltage: 12 Volts
- Capacity: 18 Ah
- Terminal Type: Nut & Bolt
- Design: Absorbed Glass Mat (AGM) Maintenance-Free
- Features: Spillproof and Leakproof Design
- Certifications: U.L. Recognized and CE Certified
- Vent System: Valve Regulated Vent System
- Resistance: Extreme Freeze, Heat and Vibration Resistance
- Performance: Superior Starting Power and Deep Cycle Capacity
- Condition: Brand New, Factory Fresh
- Warranty: 6 Month Warranty
Benefits
The SigmasTek STX20-BS is built for durability and long life. Its AGM construction makes it a robust, maintenance-free option that resists spills and leaks while delivering high-performance battery output under demanding conditions. Riders will appreciate superior starting power and deep cycle capability—ideal for frequent cold starts, short bursts of high current, and repeated use. Robust freeze, heat, and vibration resistance protect the battery in harsh environments and extend service life, making it a true long-lasting battery choice.
Beyond motorcycles, this model performs admirably in a range of applications that require reliable energy delivery: small emergency systems, portable UPS units, and power tools that need quick bursts of power. The sealed valve-regulated design and industry certifications give you confidence when using it for critical backup or utility tasks. Whether replacing an OEM cell or upgrading to a higher-reliability option, this high-performance battery combines convenience and power.
Ready to replace your old cell? Buy the genuine SigmasTek STX20-BS replacement battery today and experience dependable starts, superior durability, and maintenance-free ownership. Order now to secure fast shipping and enjoy a high-quality, long-lasting battery backed by our warranty.
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