Grass Hopper 900 Series High Performance Lawn Mower Replacement Battery
Couldn't load pickup availability
⚠️ 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.
📸 Send Your Battery Photo / Unsure? Expert Help
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.
POST YOUR IMAGE
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 | 35 AH
Terminal Type
Nut & Bolt
Replacement Grass Hopper 900 Series Lawn Mower Battery — Compatible with Grass Hopper 900 Series (SP12-35 NB)
When your Grass Hopper 900 Series needs reliable power, choose this factory-fresh SP12-35 NB replacement battery engineered for consistent performance and long service life. This 12 Volt, 35 AH unit uses Absorbent Glass Mat (AGM) technology to deliver deep-cycle capability and the robust output required by commercial and residential mowing equipment. It's a high-performance battery solution built for the demands of the Grass Hopper 900 Series.
Key Specifications
- Compatible Model: Grass Hopper 900 Series Lawn Mower
- Required Quantity: 1 battery
- Model Number: SP12-35 NB
- Voltage: 12 Volts
- Amp-Hours: 35 AH
- Terminal Type: Nut & Bolt
- Battery Technology: Absorbent Glass Mat (AGM)
- Usage Type: Designed for Deep Cycle Usage
- Construction: Valve Regulated, Spill Proof
- Energy Characteristics: 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 Warranty
Benefits
This replacement battery is built for longevity and dependable operation. AGM technology provides excellent vibration resistance and a maintenance-free, sealed design that prevents electrolyte leakage. As a high-performance battery, the SP12-35 NB produces reliable power delivery over extended use, making it an excellent choice for repeated mowing sessions and heavy workloads encountered in commercial turf care.
The deep-cycle nature of the battery ensures it can handle frequent discharge/recharge cycles, which translates to a long-lasting battery life in tough service conditions. Typical applications include lawn and garden equipment like the Grass Hopper 900 Series, as well as small UPS systems, emergency backup power, and portable power tools that require a steady 12V power source. Safety certifications such as U.L. and CE provide added assurance of quality and compliance.
Installation is easy: the SP12-35 NB replacement battery is fully compatible with the Grass Hopper 900 Series and should be connected using your existing cables and hardware. In-stock orders generally ship within 24 hours, minimizing equipment downtime and ensuring you can return to work quickly.
Upgrade to this reliable, long-lasting replacement Grass Hopper 900 Series SP12-35 NB battery today and enjoy consistent, high-performance power backed by a 1 year warranty.
-
Voltage
-
Amp Hours
-
Terminal Type
-
Length (in.)
-
Width (in.)
-
Height (in.)
-
Weight (lb.)
-
Warranty
-
Type
-
Manufacturer
-
Brand Replacement
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.



