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SigmasTek  |  SKU: BW-6323

APOLLO NT-T71K High Performance Alarm Replacement Battery

Sale price $104.04 USD Regular price $125.62
Shipping calculated at checkout.

➤ Meets or exceeds original OEM battery specifications for reliable performance

➤ Valve regulated, spill-proof design ensures safe and maintenance-free use

➤ U.L. recognized and CE certified for quality and safety assurance

➤ Rugged plastic case and cover provide durability in various environments

➤ Includes 1 brand new, factory fresh 12V 35AH battery with 1-year warranty


📦🚀 FAST SHIPPING: Usually ships same day if ordered before 2 PM EST

⚠️ 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 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

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: 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

Nut & Bolt

Replacement APOLLO NT-T71K Alarm Battery — APOLLO NT-T71K

Replace the battery in your APOLLO NT-T71K alarm system with confidence using this direct-fit replacement designed to match or exceed the original OEM specifications. The APOLLO NT-T71K replacement battery offers the reliable backup power and safety credentials required for critical security and access control installations.

Key Specifications

  • Model Compatibility: APOLLO NT-T71K
  • Included Battery: 1 battery - SP12-35 NB (12 V 35 AH)
  • Construction: Valve Regulated Spill Proof Construction
  • Certifications: U.L. Recognized and CE Certified
  • Performance: Superior Performance Guaranteed
  • Enclosure: Rugged Plastic Case And Cover
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty
  • Voltage: 12 Volts
  • Capacity: 35 AH
  • Terminal Type: Nut & Bolt
  • Brand: SigmasTek

Benefits

  • Durability — The valve-regulated, spill-proof design with a rugged case enhances resilience and reduces maintenance concerns in common alarm and security installations.
  • Long Life — Optimized for standby backup and cyclic discharge, this long-lasting battery supports extended readiness for alarm panels and related electronics.
  • High Performance — A high-performance battery replacement for the APOLLO NT-T71K, it provides steady current and voltage during outages to maintain system integrity.
  • Versatile Applications — Suitable for access control systems, home alarm systems, burglar alarm systems, security systems, and power supplies that require dependable backup power.
  • Safety & Compliance — U.L. and CE certifications assure compliance with industry safety standards for critical safety equipment.
  • Convenient Installation — Nut & bolt terminals ensure secure electrical connections, simplifying replacement by technicians and facility managers.

Keep your APOLLO NT-T71K system protected with this dependable SP12-35 NB 12 V 35 AH SigmasTek replacement battery. Order now to secure a long-lasting battery that delivers high-performance backup power and quick shipping on in-stock units.


Payment & Security

Payment methods

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