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SigmasTek  |  SKU: BW-3502

Merich UPS400 UPS Compatible Replacement Battery Set

Sale price $29.82 USD Regular price $37.67
Shipping calculated at checkout.

➤ Includes 2 brand new SigmasTek SP12-7.5HR batteries (12V, 7.5 AH)

➤ Designed for high rate discharge in Merich UPS400 units

➤ Valve regulated, spill-proof and UL/CE certified for safety

➤ Low self-discharge extends battery life during storage

➤ 1 year warranty and tested to OEM standards for peace of mind


📦🚀 FAST SHIPPING: Usually ships same day if ordered before 2 PM EST

⚠️ 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 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

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: 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

SigmasTek SP12-7.5HR Replacement Battery Set for Merich UPS400

Specifically matched for the Merich UPS400, this replacement UPS battery set delivers reliable runtime and stable performance when backup power matters most. The set contains 2 SigmasTek SP12-7.5HR batteries (12 Volts, 7.5 AH) engineered for high-rate discharge applications—making them an ideal high-performance UPS battery option for restoring your Merich UPS400’s backup capacity. These brand-new batteries are tested to ensure consistent, dependable operation and safety compliance.

Key Specifications

  • Brand: SigmasTek
  • Model: SP12-7.5HR
  • Voltage: 12 Volts
  • Capacity: 7.5 AH
  • Quantity: 2 batteries per set
  • Design: High Rate Discharge Design
  • Construction: Valve Regulated Spill Proof
  • 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
  • Compatibility note: Requires use of existing cables and hardware from original configuration
  • Compatible UPS Model: Merich UPS400

Benefits

These replacement batteries offer exceptional durability and long life thanks to valve-regulated, spill-proof construction and high vibration resistance—features that protect your investment even in challenging environments. Designed for high-rate discharge, the cells deliver the burst power necessary for demanding UPS load conditions, ensuring your Merich UPS400 can supply critical equipment during outages. The low self-discharge characteristic helps preserve capacity when batteries are stored, making them practical for spare inventory.

As a high-performance UPS battery option, this SigmasTek set is U.L. Recognized and CE Certified, reflecting adherence to recognized safety and manufacturing standards. Each battery is brand new and factory tested to meet or exceed OEM specs, providing confidence that you’re purchasing a long-lasting battery for your backup system.

Ideal uses include Uninterruptible Power Supply units like the Merich UPS400, emergency power supply setups, and battery-powered tools that require short-duration high power. Whether you’re replacing aged cells or stocking preventive spares, this set restores runtime and protects sensitive electronics from unexpected interruptions.

Don’t wait until your next power event—order this replacement UPS battery set for your Merich UPS400 today. In-stock orders typically ship within 24 hours. For guidance, contact our customer support at or email us. Purchase a reliable, high-performance UPS battery and secure your critical loads now.



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