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SigmasTek  |  SKU: BW-10854

21st Century SCIENTIFIC BOUNDER PLUS H-FRAME High Performance Electric Scooter Replacement Battery

Sale price $250.94 USD Regular price $328.56
Shipping calculated at checkout.

➤ Maintenance-free AGM battery for hassle-free use

➤ Spillproof and leakproof design ensures safety

➤ U.L. recognized and CE certified for quality assurance

➤ Extreme resistance to freeze, heat, and vibration

➤ Superior starting power with deep cycle capacity


📦🚀 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 | 100 Ah

Terminal Type

Nut & Bolt

Replacement Battery for 21st Century SCIENTIFIC BOUNDER PLUS H-FRAME Electric Scooter - SP12-100 NB (12V 100AH)

Restore peak performance to your 21st Century SCIENTIFIC BOUNDER PLUS H-FRAME electric scooter with this reliable, factory-fresh SP12-100 NB replacement battery. Designed for compatibility and sustained power, this AGM-based unit delivers the deep-cycle capacity and strong starting power necessary for demanding scooter use. Enjoy the durability and maintenance-free performance you need for daily rides and extended usage.

Key Specifications

  • Model: SP12-100 NB
  • Voltage: 12 V
  • Amp Hours: 100 AH
  • Battery Type: Absorbed Glass Mat (AGM) Design
  • Design: Maintenance-Free
  • Spillproof and Leakproof Design
  • Valve Regulated Vent System
  • Extreme Freeze, Heat and Vibration Resistance
  • Superior Starting Power and Deep Cycle Capacity
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty
  • Brand: SigmasTek
  • Connection: Use existing cables and hardware to connect; Terminal: Nut & Bolt

Benefits

This high-performance battery is built for durability and consistent output. The AGM construction and valve-regulated design offer a long-lasting battery solution with minimal maintenance and excellent resistance to leaks, vibration, and temperature extremes. That makes it ideal for scooters and mobility devices that see frequent use or must perform reliably in varied conditions.

As a versatile replacement battery, it is suited for electric scooters, mobility scooters, electric bikes, battery powered chairs, ride-on toys, and golf carts. Additionally, it can be used in backup power setups such as UPS systems or emergency power arrays where a dependable 12V source is necessary. Choose the SP12-100 NB for confidence in both daily performance and long-term dependability.

Ready to upgrade your scooter’s power? Add the SP12-100 NB replacement battery to your cart now and benefit from a high-performance, long-lasting battery backed by a 1 year warranty and fast shipping.


Payment & Security

Payment methods

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