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SigmasTek  |  SKU: BW-10578

Bruno Cub 35 High Performance Wheelchair Replacement Battery

Sale price $89.89 USD Regular price $117.70
Shipping calculated at checkout.

➤ Factory fresh, high-quality replacement batteries for Bruno Cub 35 wheelchairs

➤ 100% compatible with Bruno Cub 35 units, ensuring perfect fit and performance

➤ Uses Absorbent Glass Mat (AGM) technology for deep cycle and spill-proof operation

➤ U.L. Recognized and CE Certified for safety and reliability

➤ Includes 1-year warranty and guaranteed long-lasting power for mobility devices


📦🚀 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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Snap a photo or video of your battery and send it to us. We'll identify the exact replacement—fast and hassle-free. Our team has helped thousands of customers find the right battery quickly and easily.
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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 | 18 Ah

Terminal Type

Nut & Bolt

SP12-18 NB (12V 18AH) Replacement for Bruno Cub 35 Wheelchair

These SP12-18 NB (12V 18AH) replacement batteries are designed to provide reliable power and compatibility for the Bruno Cub 35 wheelchair. Engineered for deep-cycle performance and factory fresh on arrival, these high-performance batteries deliver the long-lasting battery life required for daily mobility and extended outings. They are an ideal choice when you need a dependable replacement battery for your Bruno Cub 35 unit.

Key Specifications

  • Model: SP12-18 NB
  • Compatible Model: Bruno Cub 35 wheelchair
  • Voltage: 12 Volts
  • Capacity: 18 Ah
  • Technology: Absorbent Glass Mat (AGM)
  • Usage: Designed for Deep Cycle Usage
  • Construction: Valve Regulated, Spill Proof
  • Feature: Power/Volume Ratio Yielding Unrivaled Energy Density
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Performance: Performance Guaranteed
  • Warranty: 1 Year
  • Brand: SigmasTek
  • Terminal: Nut & Bolt
  • Note: Bruno Cub 35 requires 2 batteries for full operation

Benefits

These replacement batteries offer exceptional durability and are built to withstand daily deep-cycle demands from mobility devices. The AGM design ensures a sealed, maintenance-free experience with minimal self-discharge and enhanced vibration resistance. As a high-performance battery tailored for mobility, the SP12-18 NB provides sustained, reliable power delivery for long rides and frequent starts and stops.

The valve-regulated spill-proof construction and high energy density make these units safe and efficient for wheelchair use, delivering a long-lasting battery solution for users who depend on consistent mobility. Whether you are replacing worn cells or upgrading to factory-fresh units, these batteries are optimized for electric wheelchairs, power chairs, mobility chairs, and mobility scooters.

Beyond mobility, the design and durability of this battery also make it a suitable option for light UPS roles, emergency power reserves, and portable power tools where deep-cycle performance is required. The user-friendly nut-and-bolt terminal design ensures secure connections when reusing existing cables and hardware from your original configuration.

Ready to restore full power to your Bruno Cub 35? Purchase these SP12-18 NB replacement batteries today — a trusted, long-lasting battery option that brings reliable performance and peace of mind on every trip.


Payment & Security

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