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Precision Battery  |  SKU: BW-18023

Precision HJT9B-FP Li‑Ion Compatible Replacement Battery for Yamaha YP400 Majesty 400CC (2004-2014)

Sale price $174.99 USD Regular price $222.48
Shipping calculated at checkout.

➤ Up to 65% lighter than lead-acid batteries for easier handling

➤ Fast recharge time of just 6 minutes with high current capability

➤ Over 2000 charge cycles for long-lasting performance

➤ Leak-proof design mounts in any direction with no acid spills

➤ Built-in capacity indicator for easy battery status monitoring


📦🚀 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 Replacement Battery for Yamaha 400CC YP400 Majesty (2004-2014)

The Precision HJT9B-FP Lithium Ion replacement battery is an advanced alternative to traditional lead-acid batteries for the Yamaha 400CC YP400 Majesty (2004-2014). This lightweight, maintenance-free battery delivers fast recharge capability, exceptional cycle life, and a built-in capacity indicator for easy monitoring. If you want a high-performance battery that reduces weight and improves longevity without acid spills or heavy metals, the HJT9B-FP is a modern solution.

Key Specifications

  • Compatible Model: Replaces Yamaha 400CC YP400 Majesty, 2004-2014
  • Battery Model: Precision HJT9B-FP
  • Brand: Precision Battery
  • Voltage: 12 Volts
  • Capacity: 8 Ah
  • Terminal Type: Nut & Bolt
  • Chemistry: Lithium Ion
  • Weight & Size Advantage: Up to 65% lighter than equivalent lead-acid batteries
  • Fast Recharge: 6-Minutes Fast Recharge Time (with compatible charger)
  • Cycle Life: 2000+ extreme cycle life vs. ~350 for lead-acid
  • No Spill / Mountable in Any Direction — No Acid Inside
  • Built-In Capacity Indicator for easy charge status checks
  • No Heavy Metals or Acid — environmentally cleaner than lead-acid
  • Compatibility Note: Some lead-acid chargers may be used; chargers without voltage limitation (max 14.9V), desulfation-type chargers, or chargers without automatic shutoff are not compatible
  • Includes high-density foam spacers for secure installation

Benefits

  • Durability: Solid-state lithium chemistry resists common failure modes of lead-acid batteries, and the rugged construction helps protect cells in demanding conditions.
  • Long Life: With over 2000 cycles compared to roughly 350 for lead-acid, this long-lasting battery reduces replacement frequency and total cost of ownership.
  • High Performance: Rapid recharge capability and consistent voltage delivery ensure dependable starting and accessory support, making this an ideal high-performance battery for modern scooters and small vehicles.
  • Lightweight & Compact: Up to 65% lighter than equivalent lead-acid batteries, improving handling characteristics and reducing overall vehicle weight.
  • Safe & Clean: No acid inside means spill-free mounting in any orientation and no hazardous heavy metals like lead, cadmium, or mercury.
  • Versatile Applications: While optimized as a replacement for Yamaha YP400 Majesty models, this battery is also well-suited for emergency power in compact UPS units, portable power tools, and small electronic systems where a lightweight, long-lasting battery is advantageous.
  • User-Friendly: Built-in capacity indicator simplifies charge monitoring; foam spacers provide a secure fit; follow charger compatibility notes for best performance and safety.

Make the switch to a Precision HJT9B-FP high-performance, long-lasting battery for your Yamaha 400CC YP400 Majesty (2004-2014). Order now to enjoy lighter weight, quicker recharge, and exceptional cycle life — buy today and upgrade your power system with confidence.


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