SigmasTek SP12-35 IT High Performance Replacement Battery
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⚠️ 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 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
Internal Thread
SigmasTek SP12-35 IT Genuine Battery - Compatible with SigmasTek SP12-35 IT
The genuine SigmasTek SP12-35 IT battery provides reliable, OEM-grade performance for devices requiring the SP12-35 IT model. This sealed lead acid (SLA) battery is built with Absorbent Glass Mat (AGM) technology to offer superior charge acceptance, vibration resistance, and leak-proof operation. If you need a replacement battery that matches factory specifications and delivers long-lasting, dependable power, this SigmasTek SP12-35 IT unit is an excellent high-performance battery option.
Key Specifications
- Compatible Model: SigmasTek SP12-35 IT
- Brand: SigmasTek (Genuine)
- Chemistry: Sealed Lead Acid (SLA)
- Technology: Absorbent Glass Mat (AGM)
- Voltage: 12 Volts
- Capacity: 35 AH
- Terminal Type: Internal Thread
- Design: Maintenance-Free, Spill Proof Construction
- Certifications: U.L. Recognized and CE Certified
- Condition: Brand New, Factory Fresh
- Warranty: 1 Year
Benefits
As a genuine replacement battery for the SP12-35 IT, this SigmasTek unit is engineered for long service life and consistent performance. AGM technology helps extend cycle life and improves reliability in both standby and deep-cycle roles. The maintenance-free, spill-proof construction makes it safer and simpler to install in enclosed spaces, minimizing downtime and required upkeep.
This high-performance battery is well-suited to UPS systems, emergency power backups, alarm panels, medical equipment, telecommunications gear, and portable power tools. The 35 AH capacity offers substantial reserve power for extended runtimes while the internal thread terminal ensures a secure electrical connection in compatible devices. U.L. and CE certifications support its safe deployment in a wide range of applications.
Delivered factory fresh and backed by a 1 Year warranty, the genuine SigmasTek SP12-35 IT replacement battery provides peace of mind and proven compatibility. For technicians and end-users who demand OEM-quality replacement batteries, this model is a reliable, long-lasting battery choice.
Ensure uninterrupted power for your SigmasTek SP12-35 IT equipment—order this high-performance, replacement battery today and experience dependable, long-lasting performance.
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