WestCo 12V12B-4 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 | 10 Ah
Terminal Type
Nut & Bolt
WestCo 12V12B-4 Compatible Replacement Motorcycle Battery
This WestCo 12V12B-4 compatible replacement motorcycle battery is a sealed AGM maintenance-free unit designed for riders and technicians who want reliable power without the mess of traditional wet cells. The spillproof, leakproof construction and factory-fresh condition make this high-performance battery a dependable choice for motorcycles and other compact power needs. If you need a long-lasting battery that installs easily and delivers strong starting performance, this WestCo 12V12B-4 compatible replacement is engineered to meet those demands.
Key Specifications
- AGM Maintenance Free Design
- Maintenance-Free Design
- Spillproof and Leakproof Design
- U.L. Recognized and CE Certified
- Absorbed Glass Mat (AGM) Design
- Valve Regulated Vent System
- Extreme Freeze, Heat and Vibration Resistance
- Superior Starting Power and Deep Cycle Capacity
- Brand New, Factory Fresh
- 6 Month Warranty
- Brand: SigmasTek
- Compatible Brand/Model: WestCo
- Model: 12V12B-4
- Voltage: 12 Volts
- Capacity: 10 Ah
- Terminal: Nut & Bolt
Benefits
The WestCo 12V12B-4 compatible replacement battery brings durable design and extended service life through AGM technology. Its rugged resistance to heat, freeze, and vibration makes it ideal for motorcycles subject to road shock, and the valve-regulated construction minimizes maintenance and leakage risk. As a high-performance battery, it supports quick engine starts and sustained electrical loads, offering consistent cranking power when you need it most.
In addition to motorcycle starting, this long-lasting battery is useful for compact UPS systems, small emergency power needs, and portable power for tools or accessories—any application where a compact, sealed battery with deep cycle capacity is valuable. The nut-and-bolt terminal style allows a secure and stable connection, reducing electrical loss and ensuring reliable performance over repeated cycles. Certified to U.L. and CE standards, this replacement battery is suited for those prioritizing safety and dependability.
Replace your old battery with confidence—buy the WestCo 12V12B-4 compatible replacement battery today and enjoy maintenance-free, high-performance power with quick shipping and a solid warranty.
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