Everest & Jennings 3W Wheelchair Compatible Replacement Battery
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⚠️ 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 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
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
⚠️ 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 3W Battery — Compatible with Everest & Jennings 3W
Restore reliable power to your Everest & Jennings 3W with this factory-fresh replacement battery engineered for compatibility, performance, and longevity. This high-quality SP12-55 NB (12 V 55 AH) replacement battery is a drop-in solution for the Everest & Jennings 3W unit, delivering the consistent energy and dependable operation you expect from a long-lasting battery in mobility applications.
Key Specifications
- Model Compatibility: Everest & Jennings 3W
- 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 existing cables and hardware
Benefits
Built with AGM technology and a valve-regulated design, this replacement battery provides superior durability and spill-proof safety. The deep-cycle construction ensures reliable long-term performance in the demanding daily use typical of mobility devices. As a high-performance battery, the SP12-55 NB offers stable output and excellent energy density, giving your Everest & Jennings 3W robust runtime without excessive weight or size.
Durability and service life are central strengths: the battery is engineered to withstand repeated charge-discharge cycles, making it an ideal long-lasting battery for electric wheelchairs, power chairs, mobility chairs, and mobility scooters. Additionally, its dependable output makes it suitable for secondary applications such as UPS backup units, emergency power supplies, and portable tools where steady, reliable current is needed.
Safety certifications (U.L. and CE) and a one-year warranty provide assurance that you’re purchasing a quality replacement battery from SigmasTek. The product’s factory-fresh condition and guaranteed performance reduce downtime and restore mobility quickly and efficiently.
Don’t wait — secure a reliable, high-performance replacement battery for your Everest & Jennings 3W today. Place your order now for fast shipping and reclaim dependable power and mobility.
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