Products

Suppliers
Filter Gallery
274,488

Ups Power Supplies

Products
UPS Oem Ups Ups System Home Ups Industry Ups Industrial Power Supplies

Sorry! No matches were found.

Yhzhch Online Mini Backup UPS 450va 650va 2000va AC DC for Home Office Industrial Electric Uninterrupted Power Supply

Yhzhch Online Mini Backup UPS 450va 650va 2000va AC DC for Home Office Industrial Electric Uninterrupted Power Supply

US $ 60-70 / Piece FOB
1 Piece (MOQ)
More
Main Products: UPS, Solar Inverter, SPD, UPS Power Supply, Online UPS, Inverter, Surge Protective Device, Surge Protector, Lithium Battery, Lead Acid Battery
Contact Supplier
Audited Supplier
Shenzhen Yunhai Power Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2025
Chat Now Send Inquiry
Wahbou Low Power Td3310kVA UPS 10000va 20000va 30000va Online Low Frequency Uninterrupted Power Supply

Wahbou Low Power Td3310kVA UPS 10000va 20000va 30000va Online Low Frequency Uninterrupted Power Supply

US $ 1,695-1,795 / Piece FOB
1 Piece (MOQ)
More
Equipment Mode : Decentralized
Contact Supplier
Audited Supplier
Foshan Wahbou Power Equipment Co., Ltd

Manufacturer/Factory & Trading Company

Guangdong, China Since 2023
Chat Now Send Inquiry
Wahbou Ot3ks Online UPS High Frequency Power Supply 1~3kVA Small Size UPS High Frequency Power Supply 72VDC 0.9PF

Wahbou Ot3ks Online UPS High Frequency Power Supply 1~3kVA Small Size UPS High Frequency Power Supply 72VDC 0.9PF

US $ 85-115 / Set FOB
1 Set (MOQ)
More
Main Products: UPS Power Supply, UPS, Online UPS, Solar Inverter, Module UPS, Low Frequency UPS, High Frequency UPS, Industry UPS, Medical UPS, Uninterruptible Power Supply, Battery
Contact Supplier
Audited Supplier
Foshan Wahbou Power Equipment Co., Ltd

Manufacturer/Factory & Trading Company

Guangdong, China Since 2023
Chat Now Send Inquiry
Battery Backup 12V 10A 9 Fused Outputs UPS Power Supply with 12V 7ah Battery for CCTV Security Monitoring Camera

Battery Backup 12V 10A 9 Fused Outputs UPS Power Supply with 12V 7ah Battery for CCTV Security Monitoring Camera

US $ 9.43-9.71 / Piece FOB
48 Pieces (MOQ)
More
Standby Time : Standard Machine
Contact Supplier
Audited Supplier
Foshan Shampower Supply Co., Ltd

Guangdong, China Since 2017
Chat Now Send Inquiry
PF1.0 Rack Mount High Frequency RW1-20K Online Transformerless UPS Power Supply

PF1.0 Rack Mount High Frequency RW1-20K Online Transformerless UPS Power Supply

US $ 110-390 / Piece FOB
10 Pieces (MOQ)
More
Main Products: UPS; Online UPS; Modular UPS; Offline UPS; Online Transformer Base UPS
Contact Supplier
Audited Supplier
Reros (Changzhou) Electronics Co., Ltd.

Manufacturer/Factory

Jiangsu, China Since 2019
Chat Now Send Inquiry
1 kVA Online High-Frequency Uninterruptible Power Supply DC 36V Sine Wave 1000va/800W, Without Battery, Long-Lasting Machine Backup UPS

1 kVA Online High-Frequency Uninterruptible Power Supply DC 36V Sine Wave 1000va/800W, Without Battery, Long-Lasting Machine Backup UPS

US $ 70-79 / Piece FOB
1 Piece (MOQ)
More
Protection : Sealed Maintenance Free
Contact Supplier
Audited Supplier
New Idea Electric Co.,Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2024
Chat Now Send Inquiry
Pw04 Power Supply for Access System Automatic Door Lithium Battery Backup with Monitoring System UPS

Pw04 Power Supply for Access System Automatic Door Lithium Battery Backup with Monitoring System UPS

US $ 38-50 / Piece FOB
1 Piece (MOQ)
More
Main Products: Automatic Door, Automatic Gate, Automatic Window, Automatic Door Accessories, Automatic Gate Accessories, Industrial Door Accessories
Contact Supplier
Audited Supplier
Turtech Intelligent Technology (Zhejiang) Co., Ltd

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2022
Chat Now Send Inquiry
High Frequency Online UPS Power Supply 1kVA with 90-285VAC Input Voltage Range

High Frequency Online UPS Power Supply 1kVA with 90-285VAC Input Voltage Range

US $ 85-115 / Set FOB
1 Set (MOQ)
More
Equipment Mode : Decentralized
Contact Supplier
Audited Supplier
Foshan Wahbou Power Equipment Co., Ltd

Manufacturer/Factory & Trading Company

Guangdong, China Since 2023
Chat Now Send Inquiry
LCD Display Pure Sine Wave 10kVA-300kVA Modular Online UPS Power Supply

LCD Display Pure Sine Wave 10kVA-300kVA Modular Online UPS Power Supply

30 Pieces (MOQ)
More
Main Products: Uninterruptible Power Supply (UPS), Inverter, 5G Power, Solar Telecom Power System, APF
Contact Supplier
Audited Supplier
Shenzhen SORO Electronics Co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2007
Chat Now Send Inquiry
Tycorun 220/380VAC 1kVA-10kVA UPS Power Supply for Industry and Commercial Field, PC, Computer/It Room, Data Center

Tycorun 220/380VAC 1kVA-10kVA UPS Power Supply for Industry and Commercial Field, PC, Computer/It Room, Data Center

US $ 79-299 / Piece FOB
5 Pieces (MOQ)
More
Output Capacity : Large Type
Contact Supplier
Audited Supplier
Guangzhou Tycorun Energy co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2021
Chat Now Send Inquiry
APC E3mups60khs Uninterruptible Power Supply (UPS) Double-Conversion (Online) 60000 Va 60000 W

APC E3mups60khs Uninterruptible Power Supply (UPS) Double-Conversion (Online) 60000 Va 60000 W

US $ 10,541-21,480 / PCS FOB
1 PCS (MOQ)
More
Main Products: UPS Power System;Storage Battery
Contact Supplier
Audited Supplier
Shenzhen Xingshengtu Information Technology Co., Ltd.

Trading Company

Guangdong, China Since 2021
Chat Now Send Inquiry
Uninterruptible Power Supplies 5V 9V 12V 15V 24V Mini DC UPS 8800mAh for WiFi Router and Cameras

Uninterruptible Power Supplies 5V 9V 12V 15V 24V Mini DC UPS 8800mAh for WiFi Router and Cameras

US $ 17.6-26 / Piece FOB
5 Pieces (MOQ)
More
Application : Communication
Contact Supplier
Audited Supplier
Xi'an Feng Yu Industry Co., Ltd.

Shaanxi, China Since 2024
Chat Now Send Inquiry
Related Searches
Ac Power Supplies Small Power Supplies Ups Power Supply Wholesale Ups Power Supplies Ups Power Ups Power System
Storage Battery Lithium Battery UPS Switching Power Supply LED Power Supply Access Control Power Supply
Lead-Acid Battery Nickel-Cadmium Battery Nickel-Metal Hydride Battery Lithium-Ion Battery Lithium Polymer Battery Sodium-Sulfur Battery
Mini UPS Power Supply for Line Interactive UPS 600va (EURO-US Socket)

Mini UPS Power Supply for Line Interactive UPS 600va (EURO-US Socket)

1 Piece (MOQ)
More
Main Products: UPS, AVR(Stabilizer), Voltage Protector
Contact Supplier
Audited Supplier
APLUS POWER CORP.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2023
Chat Now Send Inquiry
Premium 1kVA Smart Online UPS Power Supply with LCD Display

Premium 1kVA Smart Online UPS Power Supply with LCD Display

US $ 135-143 / Piece FOB
1 Piece (MOQ)
More
Equipment Mode : Decentralized
Contact Supplier
Audited Supplier
Zhejiang Kepai Electrical Appliance Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2024
Chat Now Send Inquiry
12V 2A Mini UPS Backup Power Supply

12V 2A Mini UPS Backup Power Supply

US $ 1-10 / Piece FOB
50 Pieces (MOQ)
More
Main Products: UPS, Battery, Invertor, Power Supply, Power Parts, Industrial Parts
Contact Supplier
Audited Supplier
Shenzhen E-Flourish Technology Co., Ltd.

Guangdong, China Since 2017
Chat Now Send Inquiry
High Frequency Online UPS 1kVA 2kVA 3kVA 6kVA 10kVA Uninterruptible Supplies UPS Power Supply with External Battery

High Frequency Online UPS 1kVA 2kVA 3kVA 6kVA 10kVA Uninterruptible Supplies UPS Power Supply with External Battery

US $ 120-140 / Piece FOB
1 Piece (MOQ)
More
Equipment Mode : Centralized Model
Contact Supplier
Audited Supplier
Shanpu Technology (Guangdong) Co., Ltd.

Guangdong, China Since 2023
Chat Now Send Inquiry
Mini Portable UPS 5V/9V/12V DC Output Power Supply, Built-in 57.72wh Lithium Battery,

Mini Portable UPS 5V/9V/12V DC Output Power Supply, Built-in 57.72wh Lithium Battery,

US $ 500-1,000 / Piece FOB
1 Piece (MOQ)
More
Main Products: Silent Generator, Generator Spare Parts, Diesel Generator Set, ATS, Light Tower
Contact Supplier
Audited Supplier
DIY Power System Co., Ltd.

Fujian, China Since 2021
Chat Now Send Inquiry
Power Supply 10kVA Transformerless 3 in 3 out High Frequency Online UPS

Power Supply 10kVA Transformerless 3 in 3 out High Frequency Online UPS

US $ 1,260-3,350 / Piece FOB
1 Piece (MOQ)
More
Application : Industry
Contact Supplier
Audited Supplier
Reros (Changzhou) Electronics Co., Ltd.

Manufacturer/Factory

Jiangsu, China Since 2019
Chat Now Send Inquiry
Tycorun 1K/2K/3K/6K/10kVA Modular Low Frequency Tower Online UPS Sinewave Power Supply for Small Data Center

Tycorun 1K/2K/3K/6K/10kVA Modular Low Frequency Tower Online UPS Sinewave Power Supply for Small Data Center

US $ 79-299 / Piece FOB
5 Pieces (MOQ)
More
Main Products: Lithium-Ion Battery, LiFePO4 Battery, Solar Battery, Battery Pack, Lithium Ion Battery,Battery Swap Station,Swapping Battery Cabinet
Contact Supplier
Audited Supplier
Guangzhou Tycorun Energy co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2021
Chat Now Send Inquiry
60W Router Camera Monitors Uninterruptible Power Supply DC UPS Backup Power Supply

60W Router Camera Monitors Uninterruptible Power Supply DC UPS Backup Power Supply

US $ 87-90 / Piece FOB
5 Pieces (MOQ)
More
Classification : Lighting/Power
Contact Supplier
Audited Supplier
Xi'an Feng Yu Industry Co., Ltd.

Shaanxi, China Since 2024
Chat Now Send Inquiry
Related Videos
  • What is Yhzhch Online Mini Backup UPS 450va 650va 2000va AC DC for Home Office Industrial Electric Uninterrupted Power Supply
    What is Yhzhch Online Mini Backup UPS 450va 650va 2000va AC DC for Home Office Industrial Electric Uninterrupted Power Supply
    US $ 60-70 /Piece
    1 Piece (MOQ)
    Contact Supplier
  • What is Wahbou Low Power Td3310kVA UPS 10000va 20000va 30000va Online Low Frequency Uninterrupted Power Supply
    What is Wahbou Low Power Td3310kVA UPS 10000va 20000va 30000va Online Low Frequency Uninterrupted Power Supply
    US $ 1,695-1,795 /Piece
    1 Piece (MOQ)
    Contact Supplier
  • What is Wahbou Ot3ks Online UPS High Frequency Power Supply 1~3kVA Small Size UPS High Frequency Power Supply 72VDC 0.9PF
    What is Wahbou Ot3ks Online UPS High Frequency Power Supply 1~3kVA Small Size UPS High Frequency Power Supply 72VDC 0.9PF
    US $ 85-115 /Set
    1 Set (MOQ)
    Contact Supplier
  • What is Battery Backup 12V 10A 9 Fused Outputs UPS Power Supply with 12V 7ah Battery for CCTV Security Monitoring Camera
    What is Battery Backup 12V 10A 9 Fused Outputs UPS Power Supply with 12V 7ah Battery for CCTV Security Monitoring Camera
    US $ 9.43-9.71 /Piece
    48 Pieces (MOQ)
    Contact Supplier
Vertiv Liebert Apm Modular UPS Uninterruptible Power Supply 160kVA

Vertiv Liebert Apm Modular UPS Uninterruptible Power Supply 160kVA

US $ 29,000-29,200 / pieces FOB
1 pieces (MOQ)
More
Main Products: UPS, Precision Air Conditioning, Communication Power Supply, Modular Data Center, Power Distribution Equipment, DC Power Supply System, PDU, Kvm Switch
Contact Supplier
Audited Supplier
Hebei Chengyue Technology Co., Ltd.

Hebei, China Since 2024
Chat Now Send Inquiry
Cheap Price Online UPS 1kVA 2kVA 3kVA Single Phase Uninterrupted Power Supply

Cheap Price Online UPS 1kVA 2kVA 3kVA Single Phase Uninterrupted Power Supply

US $ 184-192 / Piece FOB
1 Piece (MOQ)
More
Phase : Single Phase
Contact Supplier
Audited Supplier
Shenzhen UPSEN Electronic Co., Ltd.

Guangdong, China Since 2014
Chat Now Send Inquiry
RW PF1.0 Rack-Mount High Frequency Online Transformerless UPS Power Supply

RW PF1.0 Rack-Mount High Frequency Online Transformerless UPS Power Supply

US $ 150-390 / Piece FOB
10 Pieces (MOQ)
More
Main Products: UPS; Online UPS; Modular UPS; Offline UPS; Online Transformer Base UPS
Contact Supplier
Audited Supplier
Reros (Changzhou) Electronics Co., Ltd.

Manufacturer/Factory

Jiangsu, China Since 2019
Chat Now Send Inquiry

Not exactly what you want?

Post Sourcing Request

About Ups Power Supplies FAQ

  • QHow can I ensure the quality of storage batteries when sourcing from suppliers in China?

    The Ups Power Supplies is an essential part of our Storage Battery offerings.To ensure the quality of storage batteries from China, conduct thorough research on suppliers, request samples for testing, and check for certifications and standards compliance. Partnering with a reputable supplier ensures you receive high-quality products for your needs.

  • QWhat are the advantages of partnering with a manufacturer for custom storage battery solutions?

    The Ups Power Supplies is included in our comprehensive Storage Battery range.Collaborating with a manufacturer for custom storage batteries allows you to tailor products to your specific requirements. From capacity to size and functionality, manufacturers can create bespoke solutions that meet your exact needs. This ensures optimal performance and efficiency in your applications.

  • QWhat are the common types of storage batteries available for wholesale purchases?

    Discover the perfect Storage Battery addition with our Ups Power Supplies.Storage batteries come in various types such as lead-acid, lithium-ion, and nickel-cadmium. Each type offers different performance characteristics and applications. A reliable supplier in China can help you choose the right type for your projects.

Xinyuhua High Frequency Three Phase Input Three Phase Output 80kVA Online UPS Apa Itu Uninterruptible Power Supply (UPS)

Xinyuhua High Frequency Three Phase Input Three Phase Output 80kVA Online UPS Apa Itu Uninterruptible Power Supply (UPS)

US $ 99-4,390 / Piece FOB
2 Pieces (MOQ)
More
Output Capacity : Large Type
Contact Supplier
Audited Supplier
Jinan Xinyuhua Energy Technology Co., Ltd.

Shandong, China Since 2021
Chat Now Send Inquiry
Online Single Phase UPS 10kVA UPS Systems10kw 20kVA 30kVA 40kVA 60kVA 80kVA 100kVA 120kVA 150kVA 200kVA UPS Backup Power Supply

Online Single Phase UPS 10kVA UPS Systems10kw 20kVA 30kVA 40kVA 60kVA 80kVA 100kVA 120kVA 150kVA 200kVA UPS Backup Power Supply

US $ 185.5-225 / Piece FOB
1 Piece (MOQ)
More
Main Products: Lithium-Ion Battery, UPS Power, Lithium Battery Charger, Golf Cart Battery, Battery Cells, BMS PCBA, Battery Pack, Lead to Lithium, RV Battery, Marine Battery
Contact Supplier
Audited Supplier
Shenzhen LongKun Battery Co., Ltd

Guangdong, China Since 2025
Chat Now Send Inquiry
1kVA 2kVA 3kVA Double Conversion Pure Sine Wave Online UPS Power Supply

1kVA 2kVA 3kVA Double Conversion Pure Sine Wave Online UPS Power Supply

US $ 129 / Piece FOB
5 Pieces (MOQ)
More
Standby Time : Standard Machine
Contact Supplier
Audited Supplier
Shenzhen ZLPOWER Electronics Co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2010
Chat Now Send Inquiry
DC UPS Power Supply 100W Router Optical Cat Monitoring Standby

DC UPS Power Supply 100W Router Optical Cat Monitoring Standby

US $ 34.7-35 / Piece FOB
100 Pieces (MOQ)
More
Main Products: Mini DC UPS, Offline UPS, Line Interactive UPS, Online High Frequency UPS, Online Low Frequency UPS, Solar Inverter, Battery
Contact Supplier
Audited Supplier
GUANGDONG ANDES POWER CO., LTD.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2024
Chat Now Send Inquiry
UPS Router Uninterruptible DC Power Supply

UPS Router Uninterruptible DC Power Supply

US $ 17.6-26 / Piece FOB
5 Pieces (MOQ)
More
Equipment Mode : Decentralized
Contact Supplier
Audited Supplier
Xi'an Feng Yu Industry Co., Ltd.

Shaanxi, China Since 2024
Chat Now Send Inquiry
Line Interactive Smart UPS Power Supply (600VA)

Line Interactive Smart UPS Power Supply (600VA)

US $ 65 / Piece FOB
1 Piece (MOQ)
More
Main Products: Insulator, Insulation Piercing Connector, Surge Arrestor, ABC Clamp, Cutout Fuse, Line Hardware, Fiber Optic Cable, Patch Cord, Preformed Guy Grip, PLC Splitter
Contact Supplier
Audited Supplier
Qingdao Powtech Electronics Co., Ltd.

Shandong, China Since 2008
Chat Now Send Inquiry
Visench Fortress 3p3p 240K 240kVA 240kw 240000W 240000va 3 Phase OEM Power Supply Online UPS for Data Center

Visench Fortress 3p3p 240K 240kVA 240kw 240000W 240000va 3 Phase OEM Power Supply Online UPS for Data Center

US $ 2,331-11,176 / Piece FOB
1 Piece (MOQ)
More
Classification : Lighting/Power
Contact Supplier
Audited Supplier
Vesion Tech Co. Ltd

Trading Company

Guangdong, China Since 2024
Chat Now Send Inquiry
Charger Funtion TV Uninterruptible Backup Power System DC 13.8V 1A UPS Power Supply

Charger Funtion TV Uninterruptible Backup Power System DC 13.8V 1A UPS Power Supply

US $ 5.89-7.3 / Piece FOB
5 Pieces (MOQ)
More
Main Products: Power Adapter, Switching Power Supply, UPS Power Supply
Contact Supplier
Audited Supplier
Shenzhen Gofern Electronic Co., Ltd.

Guangdong, China Since 2006
Chat Now Send Inquiry
Hot Selling Access Control UPS Backup Power Supply

Hot Selling Access Control UPS Backup Power Supply

US $ 5.9-12.5 / Piece FOB
100 Pieces (MOQ)
More
Protection : Overvoltage
Contact Supplier
Audited Supplier
Zuden Technology (HK) Co., Limited

Manufacturer/Factory & Trading Company

Guangdong, China Since 2006
Chat Now Send Inquiry
CE 3kw Mobile UPS Power Supply Portable Energy Storage Power Station

CE 3kw Mobile UPS Power Supply Portable Energy Storage Power Station

US $ 1,080 / Piece FOB
1 Piece (MOQ)
More
Main Products: LED Emergency Light, LED EXIT Sign Light, LED Emergency Driver, Uninterruptible Power Supply, Portable Power Station, Electronic Candle Light.
Contact Supplier
Audited Supplier
Guangdong Dengfeng New Energy Technology Co., Ltd

Manufacturer/Factory

Guangdong, China Since 2024
Chat Now Send Inquiry
Reliable Santak Online UPS 1kVA 900W Uninterrupted Power Supply Solution

Reliable Santak Online UPS 1kVA 900W Uninterrupted Power Supply Solution

US $ 145 / sets FOB
10 sets (MOQ)
More
Phase : Single Phase
Contact Supplier
Audited Supplier
Guangzhou Tongying Computer Co., Ltd

Trading Company

Guangdong, China Since 2024
Chat Now Send Inquiry
Tycorun 3 Phase Pure Sine Wave UPS Low Frequency Industrial Large Online UPS Uninterruptible Power Supply

Tycorun 3 Phase Pure Sine Wave UPS Low Frequency Industrial Large Online UPS Uninterruptible Power Supply

US $ 79-299 / Piece FOB
5 Pieces (MOQ)
More
Main Products: Lithium-Ion Battery, LiFePO4 Battery, Solar Battery, Battery Pack, Lithium Ion Battery,Battery Swap Station,Swapping Battery Cabinet
Contact Supplier
Audited Supplier
Guangzhou Tycorun Energy co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2021
Chat Now Send Inquiry
Built-in Battery UPS Three Phase 220V Uninterruptible Power Supply

Built-in Battery UPS Three Phase 220V Uninterruptible Power Supply

US $ 500 / Piece FOB
1 Piece (MOQ)
More
Phase : Three Phase
Contact Supplier
Audited Supplier
Foshan Lihao Power Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2024
Chat Now Send Inquiry
View More

Related Searches

Led Power Supplies Ups Power Battery Ups Power System Supplies Switch Power Supplies Power Supply Pc Power Supplies Power Supplies Lcd Ups Ups Power Protection Power Inverter

You may also like

Power Product LED Power Supply Power Supply Products 3 power supply PC Power Supply power supply equipment

Browse by Categories

Home > Electrical & Electronics > Battery, Storage Battery & Charger > Storage Battery > Lead-Acid Battery
1/834
TOP

Search Filter

Categories

More Less
  • Storage Battery
  • Lithium Battery
  • UPS
  • Switching Power Supply
  • LED Power Supply
  • Access Control Power Supply
  • Power Adapter
  • Power Distribution Cabinet & Box
  • Power Supply
  • Power Inverter

Certification

More Less
  • RoHS
  • CCC
  • TUV
  • ISO9001
  • UL

Color

More Less
  • Black
  • White

Output Type

More Less
  • DC
  • AC or DC

Type

More Less
  • OEM
  • ODM

Usage

More Less
  • Digital Camera
  • Game Player
  • Mobile Phone
  • Switching
  • Display
  • Phone
  • Laptop

Company Type

More Less
  • Trading Company
  • Manufacturer/Factory
  • Group Corporation
  • Individuals/SOHO
  • Other

Company Location

More Less
  • Guangdong
  • Zhejiang
  • Jiangsu
  • Fujian
  • Shanghai
  • Shandong
  • Anhui
  • Hunan
  • Henan
  • Beijing
  • Hubei
  • Chongqing
  • Hebei
  • Hainan
  • Sichuan
  • Tianjin
  • Jiangxi
  • Liaoning
  • Shaanxi
  • Jilin
  • Shanxi
  • Guangxi
  • Hongkong S.A.R.
  • Yunnan
  • Ningxia
  • Taiwan, China
  • Heilongjiang
Reset Done