12 Volt 35 Amp IT Sealed Lead Acid High Performance Replacement Battery
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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.
🔹 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
12 Volt 35 Amp IT Sealed Lead Acid Battery — Compatible with 12 Volt 35 Amp IT Devices
This 12 Volt 35 Amp IT sealed lead acid replacement battery is crafted to deliver compatibility, dependable performance, and safety for demanding applications. As a maintenance-free, non-spillable SLA designed for both cycle and standby use, it offers the stability and long-lasting battery life required by emergency systems, UPS setups, and medical equipment. If you need a high-performance battery with larger capacity and installation flexibility, the 12 Volt 35 Amp IT is an excellent choice.
Key Specifications
- Model: 12 Volt 35 Amp IT Sealed Lead Acid Battery
- Voltage: 12 Volt
- Capacity: 35 Amp (35 AH)
- Battery Type: Sealed Lead Acid (SLA)
- Design: Maintenance-Free, Non-Spillable
- Usage: Suitable for both Cycle and Standby Use; can operate in any orientation
- Life Expectancy: 3–5 years in standby use (as indicated)
- Condition: Brand New, Factory Fresh
- Warranty: Minimum One Year Warranty
- Certifications: UL Listed
- Terminal: Internal Thread (Internal Thread*)
- Brand Reference: SigmasTek (as listed)
Benefits
The 12 Volt 35 Amp IT replacement battery provides a durable, long-lasting battery solution for larger-scale backup power needs. Its sealed, maintenance-free construction reduces the need for ongoing upkeep while eliminating spill risk, which is critical for indoor and enclosed installations. As a high-performance battery, it supports reliable charge recovery and steady discharge behavior, making it ideal for UPS systems, emergency lighting arrays, security and fire alarms, medical devices, and industrial tools requiring stable 12V supply.
The internal thread terminal type enables secure, space-efficient connections in systems where compact, robust mounting is required. This battery’s larger capacity extends run time during outages and reduces replacement frequency, delivering better total cost of ownership in standby systems. Factory-fresh condition, UL listing, and a one-year warranty ensure you receive a certified, ready-to-install replacement battery that performs when demanded.
Ready to upgrade? Purchase this 12 Volt 35 Amp IT replacement battery today for dependable, long-lasting battery performance and fast shipping on in-stock items.
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