Yuasa NP8.5-6 High Performance Replacement Battery
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⚠️ 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 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
6 Volts | 8.5 Ah
Terminal Type
F1
Yuasa NP8.5-6 Replacement Battery — Compatible with Yuasa NP8.5-6
This replacement battery is tailored for reliable compatibility with the Yuasa NP8.5-6 model, offering sealed lead acid (SLA) performance using Absorbent Glass Mat (AGM) technology. The SigmasTek NP8.5-6 replacement is maintenance-free with spill-proof construction and meets or exceeds OEM SLA specifications. If you need a replacement battery that provides high-performance battery capabilities and a long-lasting battery life for your Yuasa NP8.5-6 device, this unit is engineered to deliver consistent, safe power.
Key Specifications
- Compatible Model: Yuasa NP8.5-6
- Replacement Brand: SigmasTek
- Battery Type: Rechargeable Sealed Lead Acid (SLA)
- Technology: Absorbent Glass Mat (AGM)
- Voltage: 6 Volts
- Capacity: 8.5 AH
- Terminal Type: F1
- Design: Maintenance-Free, Spill Proof Construction
- Certifications: U.L. Recognized and CE Certified
- Condition: Brand New, Factory Fresh
- Warranty: 1 Year
Benefits
Built for durability and reliable service, this high-performance replacement battery delivers steady current and stable voltage required by many critical systems. AGM technology improves resilience to vibration, enhances charge acceptance, and contributes to an extended operational life. The maintenance-free, sealed construction reduces the need for routine servicing and eliminates concerns about electrolyte spills during handling or installation. U.L. and CE certifications provide assurance of compliance with recognized safety standards.
The NP8.5-6 replacement is ideal for common applications such as UPS backup systems, emergency power supplies, and power tools that require dependable energy delivery. It’s also well-suited for security systems, medical equipment, and other small devices where a compact SLA battery is preferred. Delivered brand new and factory fresh, the unit comes with a 1 year warranty to give you added protection and confidence in its long-lasting battery performance.
Choosing this replacement battery ensures you get a direct-fit, OEM-matching solution without the premium cost of original-brand batteries. It’s a practical, long-lasting battery option to restore functionality and reliability to your Yuasa NP8.5-6 powered equipment.
Replace your Yuasa NP8.5-6 today—order the SigmasTek replacement battery now and secure dependable, long-lasting backup power with a 1 year warranty.
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