Enersys NPX-35 High Performance Replacement Battery 12V 7.5Ah
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🔹 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 | 7.5 Ah
Terminal Type
F2
Enersys NPX-35 Replacement Battery — Compatible with NPX-35
Ensure continuous power with this replacement battery designed for the Enersys NPX-35. Built to meet or exceed OEM SLA standards, this high-performance battery combines AGM technology with a maintenance-free construction to provide safe, reliable energy when you need it most. Ideal for both standby and cyclic applications, the Enersys NPX-35 replacement delivers the long-lasting battery performance required by critical systems.
Key Specifications
- Model: Enersys NPX-35 (replacement for NPX-35)
- Battery Chemistry: Sealed Lead Acid (SLA)
- AGM Technology: Absorbent Glass Mat (AGM)
- Design: Maintenance-Free
- Construction: Spill Proof Construction
- Certifications: U.L. Recognized and CE Certified
- Condition: Brand New, Factory Fresh
- Warranty: 1 Year Warranty
- Replacement Brand/Listing: SigmasTek
- Voltage: 12 Volts
- Capacity: 7.5 Ah
- Terminal Type: F2
Benefits
The Enersys NPX-35 replacement battery offers exceptional durability and dependable operation in demanding environments. AGM construction ensures reduced electrolyte movement and enhanced vibration resistance, contributing to a long-lasting battery life and consistent charge acceptance. Its maintenance-free, spill-proof design reduces upkeep and simplifies installation, making it a practical choice for a broad range of users.
This high-performance battery is particularly well suited for critical standby and cyclic applications. Typical uses include emergency lighting, security alarms, fire alarm systems, home & garden equipment, consumer electronics, and medical equipment—areas where reliable backup power and fast recharge are essential. U.L. recognition and CE certification further confirm this unit meets established safety and quality standards.
We stand behind the NPX-35 replacement with a 1 year warranty and brand-new, factory-fresh condition. Orders for in-stock items are typically shipped within 24 hours, and customer support is available to assist with compatibility and purchase questions. This replacement battery is designed to deliver the dependable performance required to protect sensitive electronics and restore uptime quickly.
Secure your replacement Enersys NPX-35 SLA battery today — add to cart now for a reliable, long-lasting battery backed by a 1 year warranty and fast shipping.
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