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SigmasTek  |  SKU: BW-10277

Physio-Control LifePak 300 High Performance Compatible Replacement Battery

Sale price $14.99 USD Regular price $29.10
Shipping calculated at checkout.

➤ Factory fresh SP12-3.5 battery ensures reliable performance

➤ 100% compatible replacement for Physio-Control LifePak 300

➤ Maintenance-free AGM technology for long-lasting power

➤ Spill-proof design with rugged plastic case for durability

➤ U.L. recognized, CE certified, and backed by 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 | 3.5 Ah

Terminal Type

F1

SP12-3.5 (12V 3.5AH) - Physio-Control LifePak 300

Replace your worn or aging Physio-Control LifePak 300 battery with this factory-fresh SP12-3.5 replacement battery engineered for dependable compatibility, superior performance, and medical-grade reliability. This high-performance battery delivers the consistent power your LifePak 300 needs for critical monitoring and emergency situations. Designed for medical applications where uptime matters, this long-lasting battery is a maintenance-free solution that restores full device functionality and peace of mind.

Key Specifications

  • Model: SP12-3.5
  • Compatible With: Physio-Control LifePak 300
  • Voltage: 12 Volts
  • Capacity: 3.5 Ah
  • Technology: Absorbent Glass Mat (AGM) Technology
  • Design: Maintenance-Free Design
  • Construction: Spill Proof Construction
  • Case: Rugged Plastic Case And Cover
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Performance: Performance Guaranteed
  • Warranty: 1 Year Warranty
  • Brand: SigmasTek
  • Terminal/Connector: F1

Benefits

This SP12-3.5 replacement battery provides reliable, consistent power and is built to last. The AGM design and rugged casing make it resilient in demanding environments while remaining maintenance-free for hassle-free operation. As a high-performance battery for medical devices, it ensures rapid response and steady output in emergency and clinical use. The spill-proof construction and valve-regulated design contribute to safety and durability, minimizing risk during transport and operation.

Expect long life and dependable recharge cycles thanks to quality materials and factory testing. This long-lasting battery is ideal for applications such as medical monitors, portable diagnostic devices, and other critical equipment where uninterrupted power is essential. It also performs well in secondary roles — backup power for small medical UPS systems, lab devices, and portable tools requiring compact, reliable energy.

Choosing this SP12-3.5 high-performance battery gives you a direct-fit, cost-effective alternative to OEM packs with full compatibility for the Physio-Control LifePak 300. You get the assurance of UL and CE recognition, a brand-new factory-fresh unit, and a one-year warranty that protects your purchase.

Ready to restore full performance to your LifePak 300? Order this SP12-3.5 replacement battery today and benefit from fast shipping and a quality, long-lasting battery you can trust.


Payment & Security

Payment methods

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