12v battery backup circuit,China 12v battery backup circuit Manufacturers, Suppliers

USB Megaphone

Mar 31, 2013

... Power Source: 8 x UM-2 Cells Working Voltage: DC 12v Dry Cell operationAll ABS Body, sturdy yet light weightBuilt –in ...

Supplier: Hangzhou Besta Electronics Corporation

[China Manufacturers]

25Watt Megaphone Light weight Siren Loud hailer

Feb 12, 2012

25WMegaphone Light weight Siren Loud hailer 1.size:230x370MM 2.Battery:Dx4pcs 3.Power:10W with talk siren 4.Material:ABS ... to 1,000 meters (an average of 600 meters)2.Battery compartment is protected by sealing against the weather3.Talk and ... cable - extendable up to 1.5 meters - tightly integrated5. 1x battery holderPacking list QTY:4PCSQTY:6PCSN.W.:6.5KGSN.W.10 ...

Supplier: Yuyao Huachen Electric Manufactory

[China Manufacturers]

Popular hamburger mini TF card speaker for mobile,laptop,iphone, with bluetooth

Aug 27, 2012

... , Mobile, Mp3, Mp4, TV, PSP .etc8. Inbuilt Rechargeable lithium battery, multiple circuit protection, play time up to more than 4 hours 9 ...

Supplier: Shenzhen J.Y.M. Digital Technology Co., Ltd.

[China Manufacturers]

with different shapes(suqare,retangle,round) for super bright white led backlight-module

Mar 31, 2013

... ,reliable,after the test of time,the direct use 12V power supply or 12V battery power supply,common voltage,power supply to buy ... /W Input DC9.6V Advantages:light-emitting efficiency is relatively 12V LED panel light efficiency increased by 20% Disadvantages:drive power ...

Supplier: Zhongshan Ruixian Electronics Factory

[China Manufacturers]

Auto instrument cluster

Dec 19, 2012

Auto instrument cluster 1.Operating voltage: DC 12V 2.Various LCD gauges could be provided according to your ... . Name:Auto instrument clusterModel:WDL-ZB136 Parameters: Operating voltage: DC 12V(Battery voltage: DC 48V)Display:Power display 0-100%Currency 0 ...

Supplier: Weifang Widelong Automobile Electrics Co., Ltd.

[China Manufacturers]

door magnetic contact

Feb 26, 2012

it works together with alarm system Power requirements: DC=12V-8.4V(A23 DC=12V battery inside)Current consumption: less than 20μA; Less than 15mA while transmittingTransmit frequency: 315±0.2MHzTransmit duration: less than 1sTransmit distance from host: more than 80m(no obstacle); less than 15mm between partand part BTemperature: -10 to 40Humidity: less than 90% door magnetic contact

Supplier: Shenzhen Patrol Hawk Technology Co., Ltd.

[China Manufacturers]

Outdoor GSM camera

Feb 27, 2013

... open and close the monitor by SMS commandBack up batteryBackup battery to ensure normal working in case of external power failed ...

Supplier: Xiamen Youthnet Co., Ltd.

[China Manufacturers]

Hot sale GSM and Landline Security Instant Alarm Systems

Feb 03, 2013

... Current: <55mAAlarm Current: <450mAGSM Frequency: 850/1800/1900MHzBackup Battery: NI-HI AAA*6 DC7.4VAlarm Loudness: 110dBWireless Remote ... the door when come back. Specification :Power : 12V battery x 1 pcs (battery included) Static Current: I1 = 0 Transmission Current: ... Door, Window, drawer, cabinet...etc Power Supply : 12V battery x 1 pcs (battery included) Static current : I1≤15mAμA Alarm current ...

Supplier: Shenzhen Minew Technologies Co., Ltd.

[China Manufacturers]

Luxury LPG Gas Leak sensor For home alarm panel

Mar 31, 2013

1.Wireless Gas Sensor 2.Battery Supply Power 3.Frequency:315MHz 4.Loud Audible Alarm 5. ... 1.Wireless Interlinked (Interconnected) Gas Sensor2.Factory Direct SupplyPower supply: (battery backup optional)3.Infrared photoelectric sensor ASIC controlAuto-reset after alarmAuto ...

Supplier: Shenzhen Alean Security Equipment Co., Ltd.

[China Manufacturers]

garage remote control receiver relay controller switch long range remote control with 315MHz/433MHz /868MHz.

Aug 14, 2012

... ,wireless transimitter 3.Modem mode:ASK 4.Operating voltage:DC 12V 5.315MHz/433MHz /868MHz garage remote control receiver relay controller ... remote control 315MHz/433MHz /868MHz.SpecificationPictureModelSpecificationCDTf1000-2C1:Voltage:DC12V(27A/12V battery * 1)2:Current:10mA3:Power:10mw4:Modulation:ASK5:Size:84 ...

Supplier: Shenzhen Anboshi Electronic Technology Co., Ltd.

[China Manufacturers]

Biometric Fingerprint Time Recording System YET-U50

Feb 19, 2013

... -U50Optional Function EM/Mifare Card Reader,TCP/IP communication port,Battery Backup function. Memory 3000 fingerprints & 80000 trasaction records Enrollment up to ...

Supplier: Shenzhen Yetong Technology Co., Ltd.

[China Manufacturers]

4CH H.264 real time DVR

Jan 05, 2013

... /100M Ethernet portConfidential FunctionUser and administrator Password Protection Power SupplyDC:12V/3ABackup Network/USB disk/ USB Movable Hard disk/USB DVD ...

Supplier: Shenzhen Professional Security Technology Co., Limited

[China Manufacturers]

2.8" cctv tester

Feb 25, 2013

... Polymer Battery (3.7V DC2800mAh), can continuously works for 11 hours for normal use after charging for 4 hours. u DC 12V ... keysPOWERPower supply:DC 12VBattery supply:Built in Lithium Ion Polymer Battery (3.7V DC2800mAh), can continuously works for 11 hours for ... , auto stand by can save power, it's can display battery dataOTHER DATAWorking temperature:-30°C ~ +70°C Working humidity:30 ...

Supplier: Shenzhen Rong Tian Shi Tech Ltd.

[China Manufacturers]

Automatic charger(CGS-180)

Mar 11, 2012

1 Automatic 6V /12V battery chargers for use without supervision 2 ... batteries(WUoU curve) Features:1. Automatic 6V and 12V battery chargers for use withour supervision.2. Charges all types ... betteries(WUoU curve).3. Various protectioin for the battery, the charger and the on-board electronics of ... the vehicle.4. Operates without disconnecting the battery for normal charging.5. Place for cable storage ...

Supplier: Kwingtone Auto Engineering Shanghai Limited

[China Manufacturers]

smart home security alarm system products

Mar 31, 2013

... -in maintenance-free rechargeable 12V battery, with intelligent discharge control and longer battery life communication methodThrough the ... + 8 wireless security zonesMaxi output capacity:DC 12V 500mAProgram typeKeypad program, remote telephone, timingSuitable temperature ... disarming methodRemote controller, telephone, timing controlStandby batteryDC 12V 1.3Ah no need service batteryrecorder20 seconds ...

Supplier: Tianjin Taiyito Technology Co., Ltd.

[China Manufacturers]

DC Wireless Digital Doorbell

Mar 31, 2013

... : 40m (in open area)Work voltage of the emitter: 12V (Battery model: 23A 12V)Work voltage of the emitter ≤15mA (20 times a ... day by calculating a high quality battery can use for a ...

Supplier: Lenser Technology Co., Ltd.

[China Manufacturers]

12CH RF Wireless Remote Control Transmitter & Receiver

Mar 02, 2012

... control one/ several receivers Transmitting frequency: 433MHz Receiver:Supply Voltage: 12V DC Static Current: =< 6mA Frequency: 433MHZ Sensitivity: >= -105 dB Relay ... ), 10cm(L), 3cm(H) Transmitter:Power Supply: 1 x 23A-12V battery (included) Channel: 12CH Dimension: 5cm(W), 12.5(L), 2cm ...

Supplier: Shenzhen Sunwin E-Commerce Co., Ltd.

[China Manufacturers]

GSM Alarm with Speaker and SMS Control

Mar 31, 2013

... , panic buttons and so on, 160pcs in total. 11. Li battery backup for 24 hours after external power is disconnected or cut ...

Supplier: Shenzhen UVI Hi-Tech Corporation Limited

[China Manufacturers]

PGas-23 protable gas leak detector

Mar 31, 2013

... of ownership 3.Full function self-test of sensor, battery status, circuit integrity and audible/visual alarms4.Built-in concussion-proof boot ... environment-5~+40Relative Humidity≤95%RHStorage Temperature-20~+50PowerLithium rechargeable battery,working time no less than 8hrDetection range0~100%LELDeviation≤8 ...

Supplier: Henan Zhiyi System Engineering Co., Ltd.

[China Manufacturers]

D200 Fingerprint Time Attendance

Mar 24, 2012

... a USB pen drive! With inbuilt rechargeable battery, D200 is ideal for portable or backup use or in the event there is ... & Play connection. No driver needed Inbuilt high capacity 1100mAH Lithium battery backup. Ultra-long standby time up to 6 hours Employee authentication ...

Supplier: Anviz Biometric Tech. Co., Ltd.

[China Manufacturers]