Product Overview
The CH4000 is a professional medical-grade external smart battery charger rated DC 12-20V / 3A, built for the Inspired Energy NI2020, NL2024, ND2054 and DR202 series smart batteries. It reads the battery fuel gauge over SBS / SMBus for precise, safe charging, letting you rotate spare packs without taking diagnostic equipment offline. Ships brand new in black with a 1-year warranty.
Specifications
| Attribute | Details |
|---|---|
| Standard Model | CH4000 |
| Product Type | External Smart Battery Charger / Desktop Base |
| Input | DC 12-20V / 3A |
| Output | Precision Voltage & Current Control per SBS / SMBus |
| Interface | Smart 5-pin Battery Connector (SMBus) |
| Protection | Overcharge, Overcurrent & Thermal Cut-off |
| Weight | 0.21kg (Base Only) |
| Color | Black |
| Condition | Brand New Smart Charger Base (1-year warranty!) |
Replace Part Numbers
- CH4000
- CH5000
- NI2020ED
- NI2020OL24
- NI2020TS24
- NI2020A24
- NI2020HD24
- NI2020IK24
- NI2020
- NL2024
- ND2054
- DR202
- DR202S
- LI202S
Compatible Models
For Inspired Energy NI2020 Series
- Inspired Energy NI2020ED
- NI2020OL24
- NI2020TS24
- NI2020A24
- NI2020HD24
- NI2020IK24
For Inspired Energy DR / LI Series
- DR202
- DR202S
- LI202S
For Inspired Energy ND / NL Series
- ND2054
- NL2024
Not all compatible device models are listed here. Confirm the original battery model on your device, or contact us online with any compatibility questions.
FAQ
Which Inspired Energy batteries can this CH4000 charger handle?
It charges the full NI2020 family (NI2020ED, NI2020OL24, NI2020TS24, NI2020A24, NI2020HD24, NI2020IK24) as well as NL2024, ND2054, DR202, DR202S and LI202S smart packs.
How does the chargers communicate with the battery?
The CH4000 uses the standard SBS / SMBus data interface to read the internal fuel gauge, so voltage and current are regulated in real time and LED indicators show charging status.
Can I charge spare batteries while my device keeps working?
Yes. As an external desktop base the CH4000 lets you keep several packs charged so your medical or industrial equipment stays online for continuous operation.
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
Paypal

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PayPal account: Payment@batterymall.com
Account Name: ShenZhen KingSener Science and Technology Co., Ltd
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Google Pay
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Apple Pay
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Bank Transfer
Q&A
Quick FAQ:Laptop Battery Care & Troubleshooting
- What Should I Know Before Buying a Laptop Battery Replacement?A: Before buying a laptop battery replacement, confirm your laptop’s exact model number and the part number printed on the original battery. Check the battery voltage, connector, physical dimensions, and compatibility list. Do not choose a battery based on appearance alone, because similar laptop models may use different batteries. Review the seller’s warranty, return policy, and product specifications before ordering.
- How Do I Find a Compatible Laptop Battery for My Device?A: To find a compatible laptop battery, identify your laptop’s full model number and the part number on the original battery. Compare these details with the replacement battery’s compatibility list and specifications, including voltage, connector type, and dimensions. If you are unsure, contact customer support with your laptop model and original battery part number before placing an order.
- 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.
- Why Is My Laptop Battery Not Charging?A: A laptop battery may not charge because of a faulty AC adapter, damaged charging port, loose connection, temperature protection, battery-health settings, or a worn-out battery. Confirm that you are using a compatible charger and inspect the cable and port for visible damage. Restart the laptop and review the manufacturer’s battery or charging settings. If the battery becomes unusually hot, swollen, or damaged, stop using it and seek professional assistance.
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Are BatteryMall Laptop Batteries Reliable?BatteryMall laptop batteries are designed with safety and reliability in mind. All batteries feature built-in IC protection against short-circuits, over-voltage, and overheating, helping protect the battery during normal use. They are also CE, FCC, and RoHS certified. For the best experience, choose a compatible laptop battery that matches your exact laptop model and original battery part number, and follow the installation and care instructions. BatteryMall also provides a 1-year warranty on KingSener batteries purchased from BatteryMall; see the Product Warranty page for details.