APC S400RM2U High Performance Replacement Battery By Bright Way
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 | 7 AH
Terminal Type
F1
Bright Way 12V 7Ah Replacement for APC S400RM2U
Keep your APC S400RM2U UPS protected with the Bright Way 12V 7Ah replacement UPS battery. This premium Bright Way battery is built for reliable compatibility, consistent performance, and long-term dependability. Designed as a direct replacement for the APC S400RM2U, it ensures your rack-mount UPS continues to provide seamless power protection for critical systems.
Key Specifications
- Voltage: 12V
- Capacity: 7 Ah
- Terminal: F1
- Brand: Bright Way
- Compatible UPS model: APC S400RM2U
Benefits
This high-performance UPS battery is engineered to deliver dependable backup power and enhanced uptime for your APC S400RM2U UPS. Key benefits include:
- Durability: Manufactured to maintain consistent performance through frequent charge cycles, making it suitable for continuous UPS service.
- Long life: The 7 Ah capacity balances compact size with sufficient runtime for essential loads, delivering a long-lasting battery option for many rack-mount applications.
- High performance: Optimized for UPS operation, this replacement battery delivers stable voltage and reliable current under load, ensuring your APC S400RM2U functions at peak capability.
- Secure terminal: F1 terminal ensures simple, reliable connections for quick replacements and minimal downtime.
- Typical applications: Ideal for rack-mount UPS units, network closets, point-of-sale systems, small servers, emergency power backups, and portable tools that require stable standby power.
Designed by Bright Way to meet the demands of UPS systems, this replacement UPS battery helps maintain continuous operation of critical equipment and safeguards against data loss and service interruptions. Whether you’re servicing IT infrastructure or protecting business-critical electronics, the Bright Way 12V 7Ah battery offers a dependable solution.
Protect your APC S400RM2U with a high-quality, long-lasting battery. Order the Bright Way 12V 7Ah replacement UPS battery now to restore reliable backup power and keep your systems running without interruption.
-
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.



