APC RBC88 High Performance UPS Replacement Battery Set
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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
6 Volts | 9 AH
Terminal Type
F2
SigmasTek SP6-9HR Replacement Battery Set for APC RBC88 Uninterruptible Power Supply (APC RBC88)
Upgrade your APC RBC88 UPS with this compatible, high-performance replacement UPS battery set designed for dependable power, superior short-term discharge capability, and reliable performance in critical moments. These brand new SigmasTek batteries are engineered to deliver the consistent output your APC RBC88 needs for backup runtime, emergency support, and equipment protection. Whether you’re replacing an aging pack or stocking spares, this long-lasting battery solution gives you the confidence of factory-fresh cells and tested quality.
Key Specifications
- Compatible UPS model: APC RBC88
- Battery model: SigmasTek SP6-9HR
- Quantity: 6 batteries per set
- Voltage: 6 Volts
- Capacity: 9 AH (9 Ampere-Hours)
- Design: High Rate Discharge Design
- Construction: Valve Regulated Spill Proof (sealed lead-acid)
- Features: Low Self-discharge
- Features: High Vibration Resistance
- Certifications: U.L. Recognized and CE Certified
- Condition: Brand New, Factory Fresh
- Warranty: 1 Year Warranty
- Installation note: Must use all existing cables and hardware from original configuration to connect the new UPS batteries
Benefits
This replacement UPS battery set is built for durability and dependable performance. The high rate discharge design is optimized for UPS applications where a high power output is required over short periods—ideal for keeping servers, network gear, and critical electronics online during outages. The valve regulated, spill-proof construction and low self-discharge rate contribute to longer shelf life and safer handling, making this a true long-lasting battery option for both on-site spares and immediate replacements.
High vibration resistance and rigorous certification (U.L. Recognized and CE Certified) mean these batteries perform reliably in demanding environments. As a high-performance UPS battery, they are suitable for multiple typical applications: powering Uninterruptible Power Supply units, serving as Emergency Power Supply sources, and supporting battery-powered tools where quick bursts of energy are required. The brand-new, factory-fresh condition ensures consistent capacity and cycle life right out of the box.
Technically minded staff test every pack to meet or exceed OEM specifications, so you get a tested, dependable alternative to the original APC RBC88 battery set. If uptime matters, this replacement UPS battery set offers the consistent power and build quality to keep your critical systems protected.
Ready to restore reliable backup power? Order this SigmasTek replacement UPS battery set for the APC RBC88 today and secure long-lasting, high-performance power for your UPS system. Purchase now to get fast shipping and a 1 year warranty.
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