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SigmasTek  |  SKU: BW-7842

Bunton BBK48 Premium High Capacity Lawn Mower Replacement Battery

Sale price $102.50 USD Regular price $135.64
Shipping calculated at checkout.

➤ Factory fresh, brand new replacement battery for Bunton BBK48 Lawn Mower

➤ 100% compatible with Bunton BBK48 requiring SP12-35 NB (12 V 35 AH) battery

➤ Absorbent Glass Mat (AGM) technology for deep cycle performance

➤ Valve regulated, spill-proof design ensures safe and reliable use

➤ U.L. recognized, CE certified with a 1-year warranty for peace of mind


📦🚀 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

Bunton BBK48 Replacement Battery - Compatible with Bunton BBK48 (SP12-35 NB)

Bring reliable, long-lasting power back to your Bunton BBK48 lawn mower with this replacement SP12-35 NB battery. Factory fresh and built with AGM technology, this high-performance battery is designed for deep-cycle use and dependable operation under regular mowing loads. Fully compatible with the Bunton BBK48, this unit provides the voltage and amp-hour capacity needed for consistent starting and runtime performance.

Key Specifications

  • Compatible With: Bunton BBK48 Lawn Mower
  • Battery Model: SP12-35 NB
  • Voltage: 12 Volts
  • Capacity: 35 AH
  • Terminal Type: Nut & Bolt
  • Technology: Absorbent Glass Mat (AGM)
  • Designed For: Deep Cycle Usage
  • Construction: Valve Regulated, Spill Proof
  • Energy Density: Power/Volume Ratio Yielding Unrivaled Energy Density
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year
  • Quantity Required: 1 battery
  • Performance: Guaranteed

Benefits

The SP12-35 NB replacement battery is engineered to deliver sustained performance and durability. AGM technology reduces maintenance and improves charge acceptance, while the valve-regulated design prevents leaks and allows safe placement in most mower compartments. As a high-performance battery for deep-cycle use, it withstands frequent discharge cycles without compromising capacity, making it a smart choice for users who expect reliable, long-lasting battery power.

This battery’s excellent power/volume ratio provides robust energy in a compact footprint, and its U.L. recognition and CE certification reflect adherence to safety and manufacturing standards. The included performance guarantee and 1 year warranty further protect your purchase. While optimized for the Bunton BBK48 lawn mower, this 12V 35AH battery is also appropriate for related applications such as UPS systems, emergency power backups, and powering certain electric tools that require a dependable, long-lasting battery.

Installation is easy: reuse the original cables and hardware from your old battery to connect the new SP12-35 NB unit. If you’re seeking a reliable replacement battery or an upgrade to a more robust, high-performance battery, this SP12-35 NB is built to meet Bunton BBK48 specifications and is ready to ship.

Don’t delay—purchase this Bunton BBK48 SP12-35 NB replacement battery today for dependable power, superior longevity, and fast fulfillment. Order now to get back to mowing with confidence.


Payment & Security

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