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SigmasTek  |  SKU: BW-8549

Suntech Regent 3 & 4 New Series High Performance Compatible Replacement Battery Set

Sale price $214.25 USD Regular price $280.53
Shipping calculated at checkout.

➤ Includes 2 high-performance 12V 35AH batteries with NB terminal

➤ Maintenance-free, spill-proof AGM technology for safety and durability

➤ Guaranteed compatibility with Suntech Regent 3 & 4 (New Series) original batteries

➤ Wide operating temperature range and long service life for reliable wheelchair power

➤ Ships quickly with 1-year warranty for customer peace of mind


📦🚀 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 | 35 AH

Terminal Type

Nut & Bolt

Suntech Regent 3 & 4 (New Series) Replacement Batteries — Compatible with Suntech Regent 3 & 4 (New Series)

Ensure dependable operation of your Suntech Regent 3 & 4 (New Series) with this twin pack of replacement 12V 35AH batteries equipped with NB (Nut & Bolt) terminals. These replacement battery units combine compatibility with proven SLA/AGM technology to provide reliable, high-discharge performance and a wide operating temperature range. Designed to meet or exceed the original manufacturer's specifications, these batteries offer the reliability and endurance your mobility device needs for daily use.

Key Specifications

  • Package contains: 2 batteries
  • Volts: 12
  • Amps (AH): 35
  • Terminal: NB (Nut & Bolt)
  • Weight: 49.4 Lbs (as listed)
  • Length: 7.72 (inches)
  • Width: 5.14 (inches)
  • Height: 6.14 (inches)
  • Maintenance-free
  • Spill Proof
  • SLA (Sealed Lead Acid) Chemistry
  • AGM Technology
  • Guaranteed compatibility with original batteries
  • 1-year Warranty (SigmasTek)
  • Shipping methods: UPS Ground and USPS
  • Ships in 1 business day for all in-stock items

Benefits

  • Solid reliability: The sealed AGM construction provides a spill-proof, maintenance-free replacement battery option that resists vibration and supports safe transport and use in mobility equipment.
  • Long-lasting service: With a high-discharge design and broad temperature tolerance, these batteries deliver longevity, giving you a long-lasting battery solution that reduces total lifecycle cost.
  • Consistent power delivery: As a high-performance battery pack, these units support steady voltage and reliable current output for stable operation of the Suntech Regent 3 & 4 (New Series).
  • Versatile applications: Ideal for power wheelchairs, but also well-suited for UPS backup systems, emergency power supplies, and light tools requiring a robust 12V 35AH SLA/AGM battery.
  • Installation guidance: Install the new Suntech Regent 3 & 4 (New Series) replacement batteries in the original configuration and reuse your existing cables. Verify dimensions before ordering due to potential manufacturer changes.
  • Warranty and shipping: Backed by SigmasTek’s 1-year warranty and fast shipping via UPS Ground or USPS, you can rely on prompt delivery and support.

Ready to upgrade to a high-performance, long-lasting battery pack for your Suntech Regent 3 & 4 (New Series)? Add this replacement battery set to your cart now for fast shipping and dependable power.


Payment & Security

Payment methods

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