Product Overview
The CH4000 is a medical-grade external smart battery charger compatible with the Respironics REF900-102 portable oxygen concentrator battery. It ensures reliable mobile supplemental oxygen therapy by charging at a stable DC 12-20V / 3A with SMBus / SBS 1.1 fuel-gauge management for medical-grade stability. Using the CH4000 lets you charge one battery while another runs in your concentrator, doubling mobile runtime and keeping SimplyGo and EverGo units ready at all times. Ships brand new with a 1-year warranty.
Specifications
| Attribute | Details |
|---|---|
| Standard Model | CH4000 |
| Input | DC 12-20V / 3A |
| Compatible Battery Family | Respironics REF900-102 / SimplyGo / EverGo |
| Charging Interface | Integrated SMBus / SBS 1.1 Controller |
| Protection | Thermal cut-off & overvoltage protection |
| Place of Origin | Made in China |
| Condition | Brand New (100% New, 1-year warranty) |
Replace Part Numbers
- CH4000
- CH5000
- REF900-102
Compatible Models
For Respironics / Philips Portable Oxygen Concentrators
- RESPIRONICS REF900-102
- Philips SimplyGo Battery
- Philips EverGo Battery
For Other Inspired Energy Families
- Inspired Energy NI2020 series
- Inspired Energy NL2024 series
- Inspired Energy ND2054 series
- Inspired Energy NI2040 series
- DR202 series compatible
Notice: Not all compatible models are listed or included here. Please check the original model number on your equipment, and contact us online if you have any question about compatibility.
FAQ
Is this charger suitable for SimplyGo batteries?
Yes. It is the designated external charging solution for the Respironics REF900-102 battery used in SimplyGo and EverGo portable oxygen concentrators.
Why use an external charger for my portable oxygen concentrator?
Using the CH4000 lets you charge one battery while using another in your device, effectively doubling mobile oxygen runtime without tethering the concentrator to a wall outlet.
Which POC batteries does the CH4000 charge?
It charges the Respironics REF900-102 and the compatible Philips SimplyGo and EverGo battery packs, plus standard NI2020, NL2024, ND2054 and NI2040 smart batteries.
What power input does the charger need?
The charger requires a DC 12-20V / 3A input and provides SMBus / SBS 1.1 fuel-gauge management for medical-grade stability.
Note:
This is not a complete list or inclusion of all compatible laptop models. You can open the back of your laptop to check the original battery model. If you have any compatibility questions, please contact us online.The casing is made of durable materials, the mainboard adopts advanced technology, and the battery core is produced with high-quality raw materials to ensure that it will not be damaged after long-term use.
Our products are equipped with multiple protection technologies such as overvoltage, overcurrent, and overcharge to effectively protect the safety of batteries and equipment.
China warehouse delivery method
Overseas Warehouse Shipping Times & Costs
Payment Methods
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Q&A
Quick FAQ:Laptop Battery Care & Troubleshooting
- How long does a KingSener battery last?2 to 3 years (approx. 500-800 charge cycles) under normal temperatures.
- Laptop says "Battery Not Detected". How to fix?1. Hard Reset: Unplug AC, remove battery, hold power button for 30 seconds.
2. Clean Contacts: Wipe metal connection pins.
3. Reset Drivers: Uninstall battery drivers in Device Manager, then restart.
4. Update BIOS: Ensure motherboard firmware is up to date. - Can I leave my laptop plugged in 24/7?Yes, the built-in TI chip prevents overcharging. Tip: To prevent long-term cell swelling, unplug and drain the battery to 40% twice a month.
- How do I store a laptop battery long-term?Store it at 50% charge in a cool, dry place. Never store at 0% or 100%. Cycle the battery every 3 months to maintain chemical activity.
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Are KingSener batteries safe?Yes. All batteries feature built-in IC protection against short-circuits, over-voltage, and overheating. Fully CE, FCC, and RoHS certified.