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SigmasTek  |  SKU: BW-20031

Power Max GT12B-4 High Performance Replacement Battery

Sale price $68.46 USD Regular price $87.04
Shipping calculated at checkout.

➤ Maintenance-free AGM design eliminates the need for acid refills

➤ Spillproof and leakproof for safe, hassle-free installation

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

➤ Superior starting power with deep cycle capacity for reliable performance

➤ Extreme resistance to freeze, heat, and vibration ensures durability


📦🚀 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

12 Volts | 10 Ah

Terminal Type

Nut & Bolt

Power Max GT12B-4 Replacement Battery — Compatible with GT12B-4

The Power Max GT12B-4 replacement battery is a premium AGM maintenance-free unit designed for motorcycles and other high-rate discharge machines. Offering strong starting power and deep cycle capability, this battery combines spillproof safety with rugged performance. If you need a dependable, long-lasting battery that handles vibration, temperature extremes, and frequent starts, the GT12B-4 is built to perform.

Key Specifications

  • Model: GT12B-4
  • Brand: Power Max
  • Battery Type: AGM Maintenance Free (Absorbed Glass Mat Design)
  • Voltage: 12 Volts
  • Capacity: 10 Ah
  • Terminal Type: Nut & Bolt
  • Certifications: U.L. Recognized and CE Certified
  • Design: Spillproof and Leakproof; Valve Regulated Vent System
  • Durability Features: Extreme freeze, heat and vibration resistance
  • Performance: Superior starting power and deep cycle capacity
  • Condition: Brand New, Factory Fresh
  • Warranty: 6 Month Warranty

Benefits

Choose the Power Max GT12B-4 when you want a high-performance battery with reliable longevity. The AGM, absorbed glass mat design provides a sealed, maintenance-free experience that eliminates the need for acid filling and reduces the risk of leaks. Its valve regulated vent system helps maintain optimal internal conditions for extended life and dependable operation.

This battery is built to resist extreme freeze and heat as well as the vibration inherent to powersport use, making it ideal for motorcycles, scooters, and off-road machines. The GT12B-4 excels at delivering the surge current required for quick starts while also offering reserve capacity for electronics, lighting, and accessories.

As a long-lasting battery option, the GT12B-4 reduces downtime and maintenance. Nut & bolt terminals secure connections for consistent power transfer and minimal voltage drop under load. Certified to U.L. and CE standards and shipped factory-fresh, this replacement battery gives you the peace of mind of tested quality.

Typical applications include motorcycle starting systems, backup power for small electronics, emergency power situations, and portable tools requiring compact, dependable energy. The GT12B-4 balances starting power and cycling capability for versatile use.

Ready to upgrade? Buy the Power Max GT12B-4 replacement battery now and experience a high-performance, long-lasting battery solution that gets you back on the road with confidence.


Payment & Security

Payment methods

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