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SigmasTek  |  SKU: BW-9813

Everest & Jennings 14 Inch Growing 3P/3W High Performance Wheelchair Replacement Battery

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

➤ Factory fresh replacement batteries for Everest & Jennings 14 Inch Growing 3P/3W wheelchairs

➤ AGM technology ensures deep cycle performance and long-lasting power

➤ Valve regulated, spill-proof design for safe and maintenance-free use

➤ 100% compatible with original Everest & Jennings units using existing cables

➤ Backed by a 1-year warranty and certified for quality and safety standards


📦🚀 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

SP12-35 NB (12V 35AH) Replacement Battery for Everest & Jennings 14 Inch Growing 3P/3W Wheelchair

Restore peak performance to your Everest & Jennings 14 Inch Growing 3P/3W with the SP12-35 NB (12V 35AH) replacement battery. These brand new, factory-fresh deep cycle batteries are built for mobility applications and provide the steady, reliable power required by power chairs and mobility scooters. As a high-performance battery engineered for demanding daily use, the SP12-35 NB is the trusted choice for those needing a durable, long-lasting battery solution.

Key Specifications

  • Model: SP12-35 NB
  • Voltage: 12 Volts
  • Capacity: 35 AH
  • Technology: Absorbent Glass Mat (AGM)
  • Designed For: Deep Cycle Usage
  • Construction: Valve Regulated Spill Proof
  • Power/Volume: High energy density (Power/Volume Ratio)
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty
  • Terminal Type: Nut & Bolt
  • Brand: SigmasTek
  • Compatibility: Everest & Jennings 14 Inch Growing 3P/3W (requires 2 batteries)
  • Performance: Performance Guaranteed

Benefits

  • Durability: AGM construction and valve-regulated, spill-proof design protect against leaks and internal damage, ideal for mobility environments.
  • Long Life: Built for deep cycle performance, this long-lasting battery tolerates repeated discharge and recharge cycles—perfect for daily wheelchair use.
  • High Performance: Delivers steady current and high energy density to maintain speed, torque, and range for electric wheelchairs and power chairs.
  • Easy Integration: Designed as a direct replacement—use existing cables and hardware from your original configuration for a straightforward installation.
  • Typical Applications: Electric wheelchairs, power chairs, mobility chairs, mobility scooters, and other mobility-device power systems. Also suitable as a reliable backup in small UPS systems and emergency power setups.
  • Certified Safety: U.L. recognized and CE certified to meet regulatory standards for mobility and medical support devices.

When you need a dependable replacement battery for your Everest & Jennings 14 Inch Growing 3P/3W, choose the SP12-35 NB for proven deep cycle performance and consistent power delivery. This high-performance battery is built to last and to keep mobility devices running smoothly.

Buy your SP12-35 NB (12V 35AH) replacement battery today—secure reliable power, excellent value, and fast shipping for your mobility needs.


Payment & Security

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