Best Power LI 1.7KVA Compatible Replacement Battery Set
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
Best Power LI 1.7KVA Replacement Batteries — Compatible with Best Power LI 1.7KVA
Keep your Best Power LI 1.7KVA ready for unexpected outages with this matched pair of replacement UPS battery units. This package contains the 2 x 12V 35AH batteries required for the Best Power LI 1.7KVA and features AGM sealed construction plus UL certification for dependable performance. These batteries are a proven high-performance UPS battery option that restores runtime and reliability to essential equipment.
Key Specifications
- Package contains: 2 batteries
- Volts: 12 V
- Amp Hours: 35 AH
- Weight: 49.4 Lbs
- Length: 7.72 In
- Width: 5.14 In
- Height: 6.14 In
- Terminal: NB
- Terminal Type: Nut & Bolt
- Chemistry: SLA (Sealed Lead Acid)
- Technology: AGM (Absorption Glass Mat) Sealed Battery Technology
- Certification: UL (Underwriters Laboratories) certified
- Warranty: 1-year Warranty
- Brand / Spec Sheet Reference: SigmasTek
- Shipping Methods: UPS Ground and USPS
- Shipping Speed: We ship in 1 business day for all in-stock items
Benefits
- Durability — AGM technology produces a sealed, maintenance-free battery that handles installation environments without leaking or frequent upkeep.
- Long life — Manufactured to meet or exceed original equipment parameters, these batteries provide dependable service life and consistent performance for a long-lasting battery solution in the Best Power LI 1.7KVA.
- High performance — With 12V 35AH capacity, these batteries support sustained loads and reliable switchover to battery power for sensitive electronics and critical systems.
- Hassle-free replacement — Supplied as the correct 2-battery set so you can reinstall with the original configuration and reuse your existing cables and mounting hardware.
- Safety & certification — UL certification and SLA chemistry ensure predictable, safe operation in UPS and emergency power applications.
- Common uses — Ideal for the Best Power LI 1.7KVA UPS, emergency lighting, telecom backup, security systems, and other devices that depend on sealed lead-acid battery backup.
- Fast shipping & support — Ships in one business day for in-stock items and backed by customer service via email, chat, or toll-free at (800) 657-1303.
Ready to upgrade to a high-performance, long-lasting battery solution for your Best Power LI 1.7KVA? Order this 2-battery replacement UPS battery kit now to restore reliable backup power, enjoy fast shipping, and benefit from 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.



