Best Power LI 5.0KVA High Performance Replacement Battery Set
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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
12 Volts | 35 AH
Terminal Type
Nut & Bolt
Best Power LI 5.0KVA Replacement - 3 x 12V 35AH (NB Terminal)
Replace worn batteries in your Best Power LI 5.0KVA with this complete three-battery replacement pack designed for dependable, long-term performance. These replacement UPS battery units use AGM sealed Absorption Glass Mat construction and are UL certified to ensure safe, maintenance-free operation while meeting or exceeding the original manufacturer's specifications.
Key Specifications
- Compatible UPS Model: Best Power LI 5.0KVA
- Package contains: 3 batteries (price includes all 3)
- Voltage: 12 V
- Amp Hours: 35 AH
- Chemistry: SLA (Sealed Lead Acid)
- AGM Technology: Absorption Glass Mat sealed construction
- Terminal: NB (Nut & Bolt)
- Weight (per battery): 74.1Lbs
- Dimensions (per battery): Length 7.72 In, Width 5.14 In, Height 6.14 In
- Warranty: 1-year Warranty
- Certification: UL (Underwriters Laboratories) certified
- Brand / Spec Sheet: SigmasTek UPS Batteries Spec Sheets referenced
- Shipping Methods: UPS Ground and USPS
- Handling: We ship in 1 business day for all in-stock items
- Guaranteed compatibility with original battery set
Benefits
- Durability: The sealed AGM design prevents spills and reduces corrosion, making these units robust choices for rack, floor, or cabinet-mounted UPS systems.
- Long life: Engineered as a long-lasting battery solution, these replacements maintain capacity and performance over repeated discharge/charge cycles.
- High performance: This high-performance UPS battery pack supplies the stable voltage and capacity required by the Best Power LI 5.0KVA for clean switchovers and sustained backup power.
- Maintenance-free: SLA/AGM chemistry provides maintenance-free operation—no watering and minimal monitoring required.
- Easy swap-in: Install in the same configuration as the original batteries and reuse existing cables and hardware; NB (nut & bolt) terminals are compatible with factory connections.
- Applications: Ideal for UPS systems, emergency power backup, telecom closets, server rooms, point-of-sale, and other critical loads.
- Safety & support: UL certification and guaranteed compatibility provide confidence, and customer support is available via email, chat, or toll-free at (800) 657-1303 for any questions.
Ensure uninterrupted protection for your Best Power LI 5.0KVA by ordering this reliable three-pack of replacement batteries today. Fast shipping and a one-year warranty make it easy to restore full backup capability—purchase now to secure your equipment.
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Payment & Security
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