APC BACKUPS BK1250B UPS High Performance 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 | 4.5 AH
Terminal Type
F1
SigmasTek SP6-4.5 Replacement Battery Set for APC BACK-UPS BK1250B
Keep your APC BACK-UPS BK1250B operating at peak reliability with this carefully matched replacement UPS battery set. These brand-new SigmasTek SP6-4.5 batteries are built to restore full backup capacity and deliver consistent performance when utility power fails. Whether protecting home office equipment or critical electronics, this replacement UPS battery combination is engineered for safety, efficiency, and dependable short-duration power delivery for your BK1250B unit.
Key Specifications
- Included quantity: 2 batteries (battery set)
- Battery model: SigmasTek SP6-4.5
- Voltage: 6 Volts
- Capacity: 4.5 AH (amp-hours)
- 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
- Compatibility note: Requires use of existing cables and hardware from original configuration
- Testing: Technically tested to meet or exceed OEM specifications
- Typical shipping: Orders for in-stock items typically ship within 24 hours
Benefits
- Reliable durability: The valve-regulated, spill-proof design and high vibration resistance ensure these batteries remain reliable in both stationary and mobile installations, protecting the BK1250B under typical operational stresses.
- Extended service life: Low self-discharge characteristics preserve charge during storage and deliver a longer usable life in active service, making this a long-lasting battery choice for backup power needs.
- High-performance output: Specifically designed as high rate discharge cells, these batteries supply the short-duration burst power many UPS systems require, qualifying them as a high-performance UPS battery option for the APC BACK-UPS BK1250B.
- Certified safety: U.L. recognition and CE certification offer confidence in meeting recognized safety and performance standards.
- Versatile use: Ideal for UPS units like the BK1250B, emergency power supply setups, and battery-powered tools where dependable burst power is necessary.
- OEM-equivalent replacement: Each battery is tested by trained technicians to meet or exceed OEM specs—simply reuse your original cables and hardware for a straightforward swap.
Choose this SigmasTek SP6-4.5 replacement UPS battery set to restore reliable backup to your APC BACK-UPS BK1250B. With factory-fresh cells, certified safety, and a 1 year warranty, you can purchase with confidence. Order now to get a dependable, high-performance UPS battery solution and fast shipping from stock.
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