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SigmasTek  |  SKU: BW-9172

Everest & Jennings Magnum Power Recliner Wheelchair Compatible Replacement Battery

Sale price $313.99 USD Regular price $480.28
Shipping calculated at checkout.

➤ Factory fresh replacement batteries for Everest & Jennings Magnum Power Recliner wheelchairs

➤ 100% compatible with original Everest & Jennings Magnum Power Recliner units

➤ Utilizes AGM technology for deep cycle performance and long life

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

➤ 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 | 55 AH

Terminal Type

Nut & Bolt

Replacement Everest & Jennings Magnum Power Recliner Battery — Compatible with Everest & Jennings Magnum Power Recliner

Get dependable power and peace of mind with this factory-fresh replacement battery designed specifically for the Everest & Jennings Magnum Power Recliner. Engineered for compatibility, performance, and reliability, this high-quality replacement battery delivers the deep-cycle endurance your mobility device requires. Whether you’re replacing worn cells or keeping a spare on hand, these SP12-55 NB (12 V 55 AH) batteries are built to restore full operation to your Magnum Power Recliner and keep you moving with confidence.

Key Specifications

  • Model Compatibility: Everest & Jennings Magnum Power Recliner
  • Battery Model: SP12-55 NB
  • Voltage: 12 V
  • Capacity: 55 AH
  • Terminal Type: Nut & Bolt
  • Technology: Absorbent Glass Mat (AGM) Technology
  • Design: Designed for Deep Cycle Usage
  • Construction: Valve Regulated Spill Proof Construction
  • Energy Density: Power/Volume Ratio Yielding Unrivaled Energy Density
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty
  • Brand: SigmasTek
  • Configuration Requirement: Requires 2 batteries for the unit; use all existing cables and hardware

Benefits

These replacement batteries are purpose-built for mobility devices and deliver a dependable, long-lasting battery solution for the Everest & Jennings Magnum Power Recliner. The AGM technology and valve regulated spill-proof construction provide superior durability and low maintenance, making this a high-performance battery option for daily use. Designed for deep cycle usage, the SP12-55 NB cells sustain repeated discharge and recharge cycles — ideal for frequent travel and extended outings.

Expect consistent power output and excellent power-to-volume ratio that yields unrivaled energy density, so your chair performs reliably without adding bulk. The rugged construction and certified safety (U.L. and CE) mean these batteries stand up well to real-world conditions. Typical applications include electric wheelchairs, power chairs, mobility chairs, and mobility scooters — and because of their robust deep-cycle design, they also serve well in UPS back-up systems, emergency power setups, and portable tools where dependable power is required.

If you need a replacement battery that balances performance, safety, and cost-effectiveness, this SigmasTek SP12-55 NB unit for the Everest & Jennings Magnum Power Recliner is an excellent choice. Performance is guaranteed and backed by a one-year warranty, giving you extra assurance with your purchase.

Ready to restore full mobility? Order your high-performance, long-lasting battery replacement today and get fast shipping on in-stock items — buy now to ensure uninterrupted power for your Everest & Jennings Magnum Power Recliner.


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