Eaton Powerware BAT-0053 UPS High Performance Replacement Battery
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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.
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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
SigmasTek SP12-35 NB Replacement for Eaton Powerware BAT-0053
Restore dependable backup capacity to your Eaton Powerware BAT-0053 with the SigmasTek SP12-35 NB replacement UPS battery (12 Volts, 35 AH). Built to restore the original performance of your UPS, this high-performance UPS battery offers reliable short-term power delivery, low self-discharge, and robust construction for safe, maintenance-free operation. Installation is straightforward—use your existing cables and hardware from the original setup to connect the new battery.
Key Specifications
- Battery Model: SigmasTek SP12-35 NB
- Compatible With: Eaton Powerware BAT-0053
- Voltage: 12 Volts
- Capacity: 35 AH
- Terminal Type: Nut & Bolt
- Design: High Rate Discharge Design
- Construction: Valve Regulated Spill Proof Construction
- Self-discharge: Low Self-discharge
- Durability: High Vibration Resistance
- Certifications: U.L. Recognized and CE Certified
- Condition: Brand New, Factory Fresh
- Warranty: 1 Year Warranty
- Installation Note: Use all existing cables and hardware from original configuration
- Brand: SigmasTek
Benefits
This SigmasTek replacement is designed for longevity and dependable performance under real-world conditions. The high rate discharge capability makes it especially suitable for UPS applications that require higher instantaneous power output, ensuring your Eaton Powerware BAT-0053 can handle surge demands and short-duration power draws. As a long-lasting battery option, it minimizes downtime and reduces the frequency of replacements.
Valve regulated spill-proof design and low self-discharge allow for safe storage and maintenance-free use, and the high vibration resistance protects internal components in environments subject to movement or mechanical stress. The battery’s U.L. recognition and CE certification provide assurance of quality and compliance with recognized safety standards. Use this replacement UPS battery in uninterruptible power supply systems, emergency power setups, or with battery-powered tools requiring dependable power bursts.
Tested to meet or exceed OEM specifications by technically trained staff, this SigmasTek unit combines performance and value. It’s an excellent choice when you need a high-performance UPS battery that restores system reliability without the cost of an OEM battery.
Don’t wait for the next outage—purchase the replacement UPS battery for Eaton Powerware BAT-0053 now. Fast shipping, tested quality, and a 1 year warranty make it an easy decision to upgrade your UPS with a long-lasting battery.
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