022-000021-00 11.1V 4400mAh Li-ion Replacement Battery for Bistos BT-770/BT-740/BT-780 Patient Monitor
The 022-000021-00 is an 11.1V 4400mAh Li-ion replacement battery engineered for the Bistos BT-770, BT-740, and BT-780 Multi-Parameter Patient Monitors — advanced bedside monitoring systems manufactured by Bistos Co., Ltd. of Korea and widely deployed in hospitals, clinics, and emergency care units worldwide. Built with high-quality lithium-ion cells in a robust blue casing, this battery delivers reliable backup power for continuous ECG, SpO2, NIBP, respiration, and temperature monitoring during patient transport and AC power outages.
Key Features
- 11.1V 4400mAh Li-ion Power — High-capacity lithium-ion cells provide stable voltage output for accurate multi-parameter monitoring across all vital sign channels
- Medical-Grade Reliability — Built-in smart protection IC guards against overcharge, over-discharge, over-current, and short circuit — critical for continuous patient monitoring environments
- Triple Model Compatibility — Fits Bistos BT-770 (12.1"), BT-740 (8.4"), and BT-780 (15.6") patient monitors with precision-matched connector and housing
- Extended Runtime — 4400mAh capacity supports approximately 5 hours of continuous monitoring operation on a single charge
- Full 1-Year Warranty — Backed by our 30-day money-back guarantee and 1-year replacement warranty against manufacturing defects
Technical Specifications
- Battery Model: 022-000021-00
- Voltage: 11.1V
- Capacity: 4400mAh
- Chemistry: Li-ion (Lithium Ion)
- Color: Blue
- Weight: 284g
- Dimensions: 109*66*18mm
- Cycle Life: 500-1000 cycles
- Warranty: 1 Year
- Condition: Brand New
About the Bistos BT-770/BT-740/BT-780 Patient Monitors
The Bistos BT-770, BT-740, and BT-780 are multi-parameter patient monitors designed for bedside monitoring in hospitals, ICUs, general wards, and emergency departments. The BT-740 features an 8.4" color TFT touchscreen, the BT-770 a 12.1" display, and the BT-780 a 15.6" display. All models monitor ECG, respiration, SpO2, NIBP (non-invasive blood pressure), and temperature, with optional configurations for CO2, IBP, multi-gas, cardiac output, and Masimo SpO2. The internal rechargeable battery enables cordless patient transport between departments and ensures uninterrupted vital sign monitoring during AC power failures.
Battery Care Tips
- Fully charge the battery before first use to calibrate the internal fuel gauge
- Store in a cool, dry environment (15-25°C / 59-77°F) away from direct sunlight
- Avoid complete discharge — recharge when the monitor indicates low battery
- For long-term storage, charge to approximately 50% capacity and recharge every 3 months
- Always power off the patient monitor before removing or installing the battery
Replace Part Numbers
- 022-000021-00
- 20-0200021-00
- 18650-A
Compatible Models
- Bistos BT-770 Patient Monitor (12.1")
- Bistos BT-740 Patient Monitor (8.4")
- Bistos BT-780 Patient Monitor (15.6")
- Bistos BT-770 Multi-Parameter Monitor
- Bistos BT-740 Multi-Parameter Monitor
- Bistos BT-780 Multi-Parameter Monitor
Notice: This is a compatible replacement battery, not an original Bistos product. The Bistos brand name and BT-770/BT-740/BT-780 model designations are used for compatibility reference only. Please verify your device's original battery part number (022-000021-00, 20-0200021-00, or 18650-A) and physical dimensions (109*66*18mm) before purchase to ensure proper fit and electrical compatibility.
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.High Quality Garanteed
Our battery products are manufactured using high-quality materials and advanced technology to ensure stability and reliability.
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.
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
Shipping Methods
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Canada
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Rest of Europe
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Est. Delivery
Shipping Cost
Taxes & Fees
US Warehouse
United States
3-7 business days
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Free
European Warehouse
EU countries
5-7 business days
€0 – €5.99
pricing varies by country
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UK Warehouse
United Kingdom
3-7 business days
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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.