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Precision Battery  |  SKU: BW-17973

Precision HJT9B-FP Lithium-Ion High Performance Replacement Battery For Power Source WP9B-4 12V

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

➤ Compatible replacement for multiple lead-acid battery models

➤ Up to 65% lighter and more compact than lead-acid batteries

➤ Fast recharge in just 6 minutes with high current capability

➤ Long-lasting with over 2000 charge cycles vs. 350 for lead-acid

➤ Spill-proof design mounts in any direction with no acid leaks


📦🚀 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 Power Source WP9B-4, 12V

Swap out your lead-acid WP9B-4 with the Precision HJT9B-FP Lithium Ion replacement battery for a lighter, faster-charging, and longer-lasting power solution. This Precision Battery model is engineered as a direct-fit alternative to many YT/HT/CT/GT and WP series lead-acid batteries, delivering a modern high-performance battery that reduces weight and increases cycle life while eliminating the risks associated with acid-based chemistries.

Key Specifications

  • Model: Precision HJT9B-FP (Lithium Ion)
  • 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, WP9B-4
  • Compatibility: Replacement for Power Source WP9B-4, 12V
  • Brand: Precision Battery
  • Voltage: 12 Volts
  • Capacity: 8 AH
  • Terminal: Nut & Bolt
  • Design: Lithium Ion (no acid), mounts in any direction
  • Indicators: Built-in capacity indicator
  • Weight/Size Advantage: Up to 65% lighter than comparable lead-acid batteries
  • Recharge Speed: 6-Minutes Fast Recharge Time (supports quick recharge with high current)
  • Cycle Life: 2000+ extreme cycle life versus ~350 for lead-acid
  • Environmental: No acid, no lead, cadmium or mercury pollution
  • Safety Notes: Lead-acid chargers can be used with limitations; avoid chargers without voltage limiting to 14.9V, desulfation types, or chargers without automatic shutoff
  • Accessories: Includes high-density foam spacers for secure installation

Benefits

  • Durability: Solid-state lithium chemistry eliminates leaks and acid-related corrosion, enabling safer, more robust installations in any orientation.
  • Long Life: Exceptional cycle life (2000+ cycles) delivers years of dependable service — a true long-lasting battery choice compared with traditional lead-acid options.
  • High Performance: Rapid recharge capability and consistent voltage under load make this a high-performance battery for demanding power applications.
  • Weight Savings: Up to 65% lighter than lead-acid models, improving portability and reducing weight where every pound matters.
  • Clean & Safe: No hazardous acids or heavy metals, reducing environmental impact and simplifying handling and disposal.
  • Versatile Applications: Ideal for motorcycles, scooters, portable power systems, emergency backup, and other applications that accept the WP9B-4 form factor. The built-in capacity indicator and quick recharge features also make it attractive for users who need fast turnaround and clear battery status.
  • Easy Installation: Includes foam spacers for a secure fit and uses standard nut & bolt terminals for straightforward replacement.

Make the switch to the Precision HJT9B-FP high-performance replacement battery today for a safer, lighter, and longer-lasting power solution. Order now to upgrade to modern lithium performance and enjoy faster charging, reduced weight, and years of reliable service.


Payment & Security

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