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Precision Battery  |  SKU: BW-18077

Precision HJT9B-FP Lithium-Ion Replacement For WestCo 12V7B-B 12V 180CCA High-Performance Battery

Sale price $162.49 USD Regular price $222.48
Shipping calculated at checkout.

➤ Up to 65% lighter and smaller than traditional lead-acid batteries

➤ Fast recharge time of just 6 minutes for minimal downtime

➤ Long-lasting with over 2000 charge cycles compared to 350 for lead-acid

➤ Spill-proof design allows mounting in any position without leaks

➤ Built-in capacity indicator for easy monitoring of battery life


📦🚀 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 | 8 AH

Terminal Type

Nut & Bolt

Precision HJT9B-FP Lithium Ion Battery - Replacement for WestCo 12V7B-B

The Precision HJT9B-FP Lithium Ion Battery is a modern replacement battery compatible with numerous legacy lead-acid models, and is specified here as a replacement for WestCo 12V7B-B. Delivering superior performance and exceptional cycle life, this compact lithium solution offers reliable starting power while dramatically reducing weight and space compared to traditional lead-acid units. With a built-in capacity indicator and flexible mounting, it’s engineered for convenience and dependable operation.

Key Specifications

  • Model: Precision HJT9B-FP Lithium Ion Battery
  • Compatible/Replaces: YT9B-4(Gel), YT9B-4, YT9B-BS, HT9B-4(Gel), HT9B-4, HHT9B-BS, CT9B-4(Gel), CT9B-4, CT9B-BS, GT9B-4(Gel), GT9B-4, GT9B-BS, WestCo 12V7B-B
  • Chemistry: Lithium Ion
  • Brand: Precision Battery
  • Voltage: 12 Volts
  • Capacity: 8 AH
  • Cold Cranking Amps (CCA): 180CCA
  • Terminal Type: Nut & Bolt
  • Weight Advantage: Up to 65% lighter than lead-acid batteries
  • Recharge Capability: 6-Minutes Fast Recharge Time (with compatible charger)
  • Cycle Life: 2000+ cycles (extreme cycle life claim)
  • Features: Built-in battery capacity indicator; no acid or heavy metals; mounts in any direction; high-density foam spacers included
  • Charging Note: Compatible with many lead-acid chargers with limitations (maximum 14.9V; avoid desulfation-only chargers or chargers without automatic shutoff)
  • Shipping & Support: In-stock items typically ship within 24 hours; customer service available at

Benefits

  • Durability: The Precision HJT9B-FP is engineered for extended service life, offering an extreme cycle life that far outpaces traditional lead-acid batteries, translating to fewer replacements and lower lifecycle cost.
  • Performance & Weight Savings: As a high-performance battery, it provides consistent cranking power while being up to 65% lighter, making it ideal for applications where weight and balance matter.
  • Long-Term Reliability: This long-lasting battery resists the common failure modes of lead-acid (no spills, no acid corrosion) and includes a clear capacity indicator to monitor readiness.
  • Safety & Environmental Benefits: No contained acid or heavy metals such as lead, cadmium, or mercury — safer to handle and easier on the environment.
  • Typical Applications: Perfect for powersports, motorcycles, ATVs, small emergency power packs, portable tool systems, and other equipment that previously used small lead-acid cells.
  • User-Friendly Installation: Foam spacers and nut & bolt terminals enable a secure, straightforward installation in many battery compartments.

Upgrade to the Precision HJT9B-FP replacement battery for reliable starts, reduced weight, and long-term value. If you’re ready for a high-performance, long-lasting battery that fits many legacy applications, order now or call our Customer Service at for assistance.


Payment & Security

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