Replacement Battery Specification
- Battery Model: 8-500016-00
- Capacity: 3800mAh
- Voltage: 9.6V
- Battery Type: Li-ion
- Cell: Made in China, high quality guarantee
- Color: Black
- Condition: Replacement Battery (100% Brand New, 1-year warranty!)
Replace Part Number
- 8-500016-00
Compatible Medical Device Model
- For Respironics BiPAP Focus Ventilator
Product Features
- Medical-Grade Reliability: 3800mAh lithium-ion battery engineered for critical respiratory support equipment requiring consistent, dependable power delivery in home care and clinical environments
- Extended Ventilation Runtime: High-capacity Li-ion cells provide extended operating time for continuous BiPAP therapy during power outages, patient transport, and mobile respiratory care scenarios
- Stable 9.6V Output: Precision voltage regulation ensures consistent ventilator performance, maintaining proper pressure settings and respiratory support throughout the discharge cycle
- OEM Replacement Quality: Meets or exceeds original 8-500016-00 specifications for voltage, capacity, safety standards, and physical dimensions for Respironics BiPAP systems
- Advanced Safety Protection: Multi-layer protection circuits guard against overcharge, over-discharge, short circuit, and thermal events to ensure patient safety and equipment protection
- Portable Power Solution: Enables mobile BiPAP therapy for travel, outdoor activities, and emergency backup during power failures for sleep apnea and respiratory patients
Why Choose This Battery
This premium medical-grade replacement battery is engineered specifically for Respironics BiPAP Focus ventilators, delivering the reliability and performance that sleep apnea patients, respiratory therapists, home healthcare providers, and durable medical equipment suppliers demand. Whether you're using BiPAP therapy for obstructive sleep apnea, COPD management, neuromuscular disorders, or chronic respiratory insufficiency at home, during travel, or in emergency backup scenarios, this 3800mAh battery provides the dependable power your critical respiratory equipment requires.
Built with high-quality lithium-ion cells and medical-grade battery management circuitry, this replacement ensures optimal compatibility with Respironics BiPAP Focus ventilation systems. The 3800mAh capacity supports extended operating time for overnight BiPAP therapy during power outages, camping trips, air travel, and mobile respiratory care where reliable power is essential for patient safety and treatment continuity. The stable 9.6V output maintains consistent ventilator performance throughout the discharge cycle, critical for maintaining prescribed IPAP/EPAP pressure settings, respiratory rate, and therapy effectiveness. Each battery undergoes rigorous quality validation including capacity verification, voltage stability testing, safety circuit validation, and compliance with medical device standards.
Backed by a comprehensive 1-year warranty and designed specifically for Respironics BiPAP Focus ventilators, this battery offers exceptional value for sleep apnea patients, home healthcare agencies, respiratory equipment providers, and medical supply distributors. The precision-engineered housing ensures secure mounting and reliable electrical connection, while multi-layer protection circuits safeguard both the battery and your critical respiratory equipment during operation, charging, and storage. Essential as a backup battery for power outage protection, travel companion for mobile BiPAP therapy, or replacement for aging batteries to maintain uninterrupted respiratory support and sleep apnea treatment effectiveness.
Note:
Safety & ComplianceManufactured under strict quality control standards. Complies with international safety requirements such as UN38.3, CE, and RoHS. Follow the device manufacturer’s instructions for safe use.
Professional Installation Recommendation
Installation or replacement should be performed by trained personnel or qualified technicians.
Medical Use Disclaimer
This battery is intended as a replacement power component for compatible medical devices. It is not intended to diagnose, treat, cure, or prevent any medical condition.
Trademark Disclaimer
All brand names, trademarks, and model numbers are used for compatibility reference only and remain the property of their respective owners.
Important Notice
Please verify the battery model, voltage, and connector type before purchasing to ensure compatibility. Contact support if unsure.
Shipping Methods
| Shipping Methods | Ship To | Est. Delivery Time | Shipping Cost | Taxes & Fees |
|---|---|---|---|---|
| USPS / DHL | United States | 10-15 business days | Free | Free |
| Canada Post | Canada | 10-15 business days | Free | Free |
| Royal Mail / Yodel | United Kingdom | 15-20 business days | Free | Free |
| DHL | Germany | 15-20 business days | Free | Free |
| La Poste | France | 15-20 business days | Free | Free |
| Correios | Mexico/Spain/IT | 15-25 business days | Free | Free |
| Local Carriers | SE Asia / East Asia | 5-10 business days | Free | Free |
| Local Carriers | Rest of Europe | 20-25 business days | From $5.99 | Free |
| Local Carriers | UAE / Saudi Arabia / Israel | 16-20 business days | From $7.99 | Free |
📦 Shipping & Tracking Information
Looking for faster shipping? We offer local warehousing services. Please visit our "Local Delivery" page for items available for immediate dispatch.
1. How to Track Your Package:
Please choose the tracking link that corresponds to your destination:
- Europe & The Americas: 17track.net/en
- The Middle East: mena56.com
- Asia: 17exp.kingtrans.cn
Need Help?
If you cannot find your package on any of the above websites, please contact us immediately.
📧 Email: sales@batterymall.com / info@batterymall.com
📱 WeChat/WhatsApp: (+86) 198 6775 1872 / (+86) 191 2767 3310
🚚 Estimated Delivery Time
(1) Shipping from China:
- To Asia: 5-20 business days
- To North America: 10-15 business days
- To Europe/South America: 15-20 business days
(2) Shipping from Local Warehouses:
- From US Warehouse: 3-5 business days
- From European Warehouse: 2-10 business days
- From Russian Warehouse: 3-5 business days
Please note: Exact arrival times depend on the specific country and customs processing.
⚠️ Tax & Customs Information:
Global product prices include customs duties (some countries require a tax ID). Please refer to the settlement invoice for specific shipping costs. Special handling is required if your package is inspected.
Payment Methods
Paypal

Payments by PayPal, no PayPal account required. Paypal is safe and free for buyers.
PayPal account: Payment@batterymall.com
Account Name: ShenZhen KingSener Science and Technology Co., Ltd
Credit or debit card
VISA, MasterCard, the United States n Express,Maestro & Laser Card, APPLE Pay,etc.
PayPal never shares your financial information with us.
WeChat Pay
Currently only supports QR code payment. Please contact WeChat customer service and go to WeChat App to scan the QR code to complete the payment.
Google Pay
Pay with Google Pay, which is more convenient and faster.
Apple Pay
If you use an Apple device, you can use Apple Pay to pay, which is more convenient and faster.
Bank Transfer
Q&A
Medical Equipment Battery Guide
-
How often should medical device batteries be replaced?Medical device battery replacement intervals depend on equipment type and usage frequency. We recommend the following guidelines:
General Replacement Schedule:
• Replace every 1-2 years, or after 300-500 charge/discharge cycles
• Regardless of apparent battery health
High-Risk Equipment (Strict OEM Compliance Required):
• Life-support devices (ventilators, ECMO machines)
• Emergency equipment (defibrillators, cardiac monitors)
• Anesthesia delivery systems
• Infusion pumps
⚠️ Critical Warning: For medical equipment directly affecting patient lives, you MUST follow the OEM recommended battery replacement schedule. Even if the battery passes functional tests, scheduled replacement prevents power failures during critical moments. -
Are KingSener medical batteries fully certified?Yes. KingSener medical replacement batteries meet multiple international certifications:
Core Certifications:
• ISO 13485 — Medical Device Quality Management System
• IEC 62133 — Safety for Secondary Lithium Cells
• UL94 V-0 — Flame-Retardant Housing Rating
• CE Mark — EU Market Access
• RoHS Compliant — Hazardous Substance Restriction
Why These Matter:
• ISO 13485 ensures full batch traceability under controlled quality management
• IEC 62133 validates battery safety under extreme conditions (overcharge, short circuit, crush)
• UL94 V-0 prevents fire spread in sealed medical equipment enclosures
💡 Note: Our products are positioned as replacement batteries for repair and maintenance. For OEM new equipment manufacturing, contact us for customized compliance solutions. -
How should I store backup medical batteries for emergencies?Proper storage directly affects battery lifespan and emergency reliability:
Standard Storage Conditions:
• Charge State: 40%-50% (partial charge — full charge accelerates aging)
• Temperature: 15°C - 25°C / 59°F - 77°F (high heat speeds capacity loss)
• Humidity: 30% - 50% (excess moisture causes terminal corrosion)
• Avoid: Direct sunlight, high humidity, heat sources
Mandatory Maintenance Schedule:
• Every 3-6 months: Check voltage, inspect for swelling, check connector corrosion
• Every 6 months: Perform a full charge/discharge cycle to maintain cell activity
• Annually: Assess whether replacement is needed (even before cycle limit)
🏥 Hospitals/Clinics: Equip emergency vehicles and resuscitation rooms with dedicated battery spare kits. Record each battery's "last inspection date" and "scheduled replacement date." -
How do I calibrate a new patient monitor battery?Battery calibration ensures accurate remaining-runtime display. Perform every 3-6 months:
Step 1 — Full Charge:
Insert battery and charge to 100% using the original charger. Do not use the device during charging.
Step 2 — Full Discharge:
Unplug the charger. Run the monitor until it automatically powers down. Allow the device to rest for 30 minutes.
Step 3 — Second Full Charge:
Reconnect the original charger. Charge to 100% without interruption. Do not use the device until charging completes.
Post-Calibration:
Observe whether the battery display is stable. Record this calibration date and set a reminder for the next calibration.
⚠️ Compatible Brands: Philips IntelliVue, GE CARESCAPE, Mindray, NIHON KOHDEN, and most other patient monitor brands. For brand-specific procedures, refer to the device user manual. -
Will the equipment recognize the replacement battery?Yes. KingSener medical replacement batteries are specifically designed for perfect OEM compatibility:
1. Smart BMS Chips:
Each battery includes an integrated Battery Management System (BMS) chip that communicates precisely with the device's host system — preventing "unrecognized battery" errors and ensuring accurate power readings.
2. OEM Specification Matching:
Identical voltage, capacity, and connector definitions. Plug-and-play — no device reconfiguration required.
3. Compatibility Testing:
All batteries undergo multi-brand device compatibility testing before shipping. Our compatibility database is continuously updated.
Common Questions:
• "Non-original battery" warning? → Normal and does not affect functionality
• Battery percentage inaccurate? → Perform calibration (see above)
• Device won't power on? → Check contacts and charger; contact customer service if needed