usic play Support micro sd card music play Support hand free call function Built in 500mah rechargeable polymer battery, working for 3-5houra 16 core Double magnetic speaker Frequency response: 20hz-20khz Material: abs +plastic Loud speakeroutput: 4¦¸3w, 40mm dia S/n: ¡ý85¡à2db Suction cup under the speaker Easy operation with voice prompts Unique design with good sound quality Accessory: charge cable New model coming soon
Little fairy portable bluetooth speakers a-100 for iphone/ipod/iphone/smartphones, wireless bluetooth speakers, mini bluetooth speakers, bluetooth speakers portable 1.Bluetooth version: v2.1+edr(a2dp bluetooth profile) 2.Bluetooth transmission distance: 10 meters (transmission distance will be different by environmental reasons or the quality of mobile phone bluetooth devices) 3.Speaker size: 45mm 4.Output power: 3w 5.Usb charging voltage: dc 5v 6.Built-in lithium battery voltage: 3.7v/750mah 7.Working time: 4 hours(regular voice) 8)frequency range¡êo120hz-8khz
Wireless bluetooth speakers a-200 for iphone/ipod/iphone, wireless bluetooth speakers, mini bluetooth speakers, bluetooth speakers portable 1.Bluetooth version: v2.1+edr(a2dp bluetooth profile) 2.Bluetooth transmission distance: 10 meters (transmission distance will be different by environmental reasons or the quality of mobile phone bluetooth devices) 3.Speaker size: 45mm 4.Output power: 3w 5.Usb charging voltage: dc 5v 6.Built-in lithium battery voltage: 3.7v/750mah 7.Working time: 4 hours(regular voice) 8)frequency range¡êo120hz-8khz Oem
Metal material Ce, rohs, fcc Good quality sound 220 gram 36*36*35mm
Bluetooth speaker features: Exclusive design with patent, ce, fcc, rohs, logo area arrangement Bluetooth speaker parameters: Output: 2.5w Bluetooth standard: v3.0 Speaker: 40mm Built-in battery: 3.7v 400mah Input voltage: dc 5v Charging time: 2 to 3 hours Playing time : up to 5 hours Impedance for speaker: 4 Thd:(1khz/1w) Snr: >80db Frequency response: 160hz to 18khz Reception distance10m Material: abs, rubber oil plated Dimension: 48(l) x 48(w) x 71(h)mm
Bluetooth speaker feature: Streamline cylindrical shape designs, small, simple, logo area arrangement Output: 2w Bluetooth standard: v3.0 Speaker: 36mm Built-in battery: 3.7v 300mah Input voltage: dc 5v Charging time: 2 to 3 hours Playing time : up to 5 hours Bluetooth profiles supported: a2dp, hfp, hsp Impedance for speaker: Thd:1% (1khz/1w) Snr: >80db Frequency response:180hz to 18khz Reception distance: 10m Material: abs, rubber oil plated Dimension: 44(x53(h)mm
Bluetooth speaker features: Aluminum alloy shell Unique light coil design, playing status smart reminder With special intelligent voice navigation function Auxiliary input, support connecting with many kinds external audio sources External volume adjustment buttons Supporting tf card interface to play mp3, wav and ape/flac clear lossless audio formats Handsfree function when coming call received Line in Nfc function (on option) Product parameters: Output: 3w Bluetooth standard: v2.1+edr Speaker: 50mm Built-in battery: 3.7v 500mah Input voltage: dc 5v Charging time: 2 hours Playing time: 6 - 8 hours Impedance for speaker: 4¦¸ Thd:¡Ü1% (1khz/1w) Snr: >90db Frequency response:90hz to 18khz Reception distance: ¡Ý10m Material: aluminum alloy shell Dimension: 60(¦µ)x58(h)mm Unit weight: 145g
Bluetooth speaker features: Bluetooth v4.0 Fashionable streamline design with patent 50mm speaker unit Handsfree function Aux line-in External volume adjustment buttons Product parameters: Output: 3w Bluetooth standard: v4.0 Speaker: 50mm Built-in battery: 3.7v 500mah Input voltage: dc 5v Charging time: 2 -3 hours Playing time: up to 6 hours Impedance for speaker: 4¦¸ Thd: ¡Ü1% (1khz/1w) Snr: ¡Ý96db Frequency response: 100hz to 18khz Reception distance: ¡Ý10m Dimension: 71(dia) x 74(h)mm
Feature 2.0-channel stereo speaker Double speaker units, 3wx2 Mic, handsfree function Tf interface, support play ape sound lossless audio formats(mp3/wma) Aux line-in Fm radio, 87.5mhz-108mhz Nfc(on option) External volume adjustment buttons Product parameters: Output: 3w x 2 Bluetooth standard: v2.1+edr Speaker: 40mm x 2 Built-in battery: 3.7v 1000mah Input voltage: dc 5v Charging time: 2 hours Playing time: up to 5 hours Impedance for speaker: 4ohm Thd: 90db Frequency response: 150hz to 18khz Reception distance: >10m Dimension: 150(l) x 60(w) x 62(h)mm
All models of bluetooth speakers from different manufacturers. Great connectivity and long battery life. Amazon , JBL. Fast response and discount on wholesale.
FunctionBT/TF/USB/AUX/FM radio/MIC/1+1TWS/ Flashlight Speaker=52mm 4 5W*1 MaterialABS+rubber oil+rope Frequency 100Hz-20KHz Spirit acuity80db±2db SNR80dB Loss of fidelity 0.3% Distance10M Battery1200MAH With protection board
A.5" Large sound space, powerful motivation in bass. B.4" high quality full range speaker core, outstanding sound performance. C.Built-in Bluetooth, popular way to connect to music. D.Built-in 600W D-class amplifier, continuous boost support. E.On-key Power on/off, very easy to operate while driving. F.Specially designed skeleton panel adopting advanced plating process, awesome appearance and uneasy to fade or scratch.
A.3.5" classic bullet shell, strong construction, compact and high quality B.3" enhanced full-range speaker core, outstanding sound performance C.Built-in Bluetooth, popular way to connect to music. D.Built-in 300W D-class amplifier, continuous boost support. E.On-key Power on/off wired remote, very easy to operate while driving. F.SAE quick disconnect power cable, easy to hook up to the battery of vehicles. G.Input Voltage: DC 10-16 V Input Sensitivity: 100MV-3000MV H.Rated Power: 2*20W @ 4Ω I.Peak Power: 300W J.Channel: 2.0 K.Response Frequency: 20Hz-20KHz L.S/N: >80dB M.Built-in Bluetooth N.Wired remote one-key power on/off
Makescc - A6 Specifications: 1. bluetooth version : JL 4.2 2. bluetooth range : 10m 3. output power : 3W*1 4. battery : 1500 mAh 5. play time :3 hours 6. charge time : 3 hours 7. functions:BT/ TF / USB/ power bank / FM / AUX / HANDSFREE / flashlight / IPX4 8.accessories: charge cableã?�Aux lineã?�maunalã?�color box Package : product size : color box size : carton size: 43.5*37*43.5 N.W: 19.2 G.W: 20.1 50 pcs per CTN Colors : black / red / blue / comouflage
1. Microphone port 2. Shot-click speaker alarm Long-click speaker on/off 3. Next song/vol+ 4. Previous song/vol- 5. Start/pause 6. Switch 3 modes: music play Bluetooth mode Fm radio 7. Take bluetooth phone
The SANDI solar charge controller adopts advanced digital control technology, touching keys and automatically operation. With the features of PWM (Pulse Width Modulation) battery charging and unique control technology, the PV charge controller improves battery life efficiently. The PV charge controller is only suitable for controlling solar modules. Never connect any other types of charging source to the controller. This can destroy the controller and/or the charging source permanently. To meet different solar power stationsâ?? need, there are 48Vã??96Vã??120Vã??192Vã??220Vã??240Vã?? 360Vã??384Vã??480Vã??492V and 600V other normal series voltage level base on different battery voltage of off-grid PV power station system project. Product Feature: 1, The solar controller uses high performance 32-bit chips which is excellent EMC design 2, The controller adopts advanced PID algorithm which has more accurate battery energy management system to improve the battery efficiency 45% at least 3, The controller adopts three charging stages (buck charging, equalize charging and float charging) which can maximize the utilization of photovoltaic modules and batteries 4, IGBT Modular design ensure stable and efficiency performance of solar controller and solar power system 5, The controller has perfect battery protection function and with multi-stage charging technology to improve battery life 35% at least 6, The controller has double loop control function of voltage loop and current loop, user can set the limiting charging current 7, Fully enclosed duct design and high-speed fan for cooling makes the controller working under harsh environments 8, The controller has power generation statistics and real-time power curve function, so we can know power generating information at any time 9, Colorful LCD display, touching key and multi-language option makes the HMC (Human Machine communication) easy and convenient. Users also can set working parameters through the LCD panel and touching keys according to different battery feature 10, The controller also has temperature compensation function and RTC real time clock function, 11, Standard Modbus protocol for RS-485 or GPRS communication to extend the communication distance (optional function) 12, The patent of second protection function which can protect battery from over charging due to power switch failure (optional function)
The SANDI solar charge controller adopts advanced digital control technology, touching keys and automatically operation. With the features of PWM (Pulse Width Modulation) battery charging and unique control technology, the PV charge controller improves battery life efficiently. The PV charge controller is only suitable for controlling solar modules. Never connect any other types of charging source to the controller. This can destroy the controller and/or the charging source permanently. To meet different solar power stations need, there are 48V 96V 120V 192V 220V 240V 360V 384V 480V 492V and 600V other normal series voltage level base on different battery voltage of off-grid PV power station system project. Product Feature: 1, The solar controller uses high performance 32-bit chips which is excellent EMC design 2, The controller adopts advanced PID algorithm which has more accurate battery energy management system to improve the battery efficiency 45% at least 3, The controller adopts three charging stages (buck charging, equalize charging and float charging) which can maximize the utilization of photovoltaic modules and batteries 4, IGBT Modular design ensure stable and efficiency performance of solar controller and solar power system 5, The controller has perfect battery protection function and with multi-stage charging technology to improve battery life 35% at least 6, The controller has double loop control function of voltage loop and current loop, user can set the limiting charging current 7, Fully enclosed duct design and high-speed fan for cooling makes the controller working under harsh environments 8, The controller has power generation statistics and real-time power curve function, so we can know power generating information at any time 9, Colorful LCD display, touching key and multi-language option makes the HMC (Human Machine communication) easy and convenient. Users also can set working parameters through the LCD panel and touching keys according to different battery feature 10, The controller also has temperature compensation function and RTC real time clock function, 11, Standard Modbus protocol for RS-485 or GPRS communication to extend the communication distance (optional function) 12, The patent of second protection function which can protect battery from over charging due to power switch failure (optional function)
The SANDI solar charge controller adopts advanced digital control technology, touching keys and automatically operation. With the features of PWM (Pulse Width Modulation) battery charging and unique control technology, the PV charge controller improves battery life efficiently. The PV charge controller is only suitable for controlling solar modules. Never connect any other types of charging source to the controller. This can destroy the controller and/or the charging source permanently. To meet different solar power stations need, there are 48V 96V 120V192V 220V 240V 360V 384V 480V 492V and 600V other normal series voltage level base on different battery voltage of off-grid PV power station system project. Product Feature: 1, The solar controller uses high performance 32-bit chips which is excellent EMC design 2, The controller adopts advanced PID algorithm which has more accurate battery energy management system to improve the battery efficiency 45% at least 3, The controller adopts three charging stages (buck charging, equalize charging and float charging) which can maximize the utilization of photovoltaic modules and batteries 4, IGBT Modular design ensure stable and efficiency performance of solar controller and solar power system 5, The controller has perfect battery protection function and with multi-stage charging technology to improve battery life 35% at least 6, The controller has double loop control function of voltage loop and current loop, user can set the limiting charging current 7, Fully enclosed duct design and high-speed fan for cooling makes the controller working under harsh environments 8, The controller has power generation statistics and real-time power curve function, so we can know power generating information at any time 9, Colorful LCD display, touching key and multi-language option makes the HMC (Human Machine communication) easy and convenient. Users also can set working parameters through the LCD panel and touching keys according to different battery feature 10, The controller also has temperature compensation function and RTC real time clock function, 11, Standard Modbus protocol for RS-485 or GPRS communication to extend the communication distance (optional function) 12, The patent of second protection function which can protect battery from over charging due to power switch failure (optional function)
Product Features: 1 All-in-one design, high integration and space saving installation 2 Using high-performance lithium iron phosphate cells, laser welding, good cell consistency, designed service life of more than 10 years 3 Charging and discharging are controlled separately, which is convenient and reliable to control charging and discharging. The discharge port will not be disconnected when over-charging, and the charging port will not be disconnected when over-discharging, the system has good stability 4 Master-slave mode, passive equalization, can manage the equalization resistance, can set the equalization start voltage difference, and monitor the equalization resistance temperature, more intelligent and safe, and reduce the impact of barrel effect on system energy storage 5 BMS adopts NXP(USA) automotive-grade high-performance chips, with strong anti-interference, good reliability and wide temperature range 6 CAN2.0 communication interface, has the advantages of strong real-time performance, long transmission distance, strong anti-electromagnetic interference ability 7 System parameters can be set through the host computer, such as fan start/stop temperature, charger maximum current setting, charge and discharge current correction, SOC correction, with insulation leakage detection function to prevent oil leakage and short circuit of the cell 8 Integrate Solar charge controller or AC charger optional, BMS communication control, more safe and reliable; 9 Cell temperature management, can be automatically controlled with the air conditioner heater according to the cell condition to make the cell works at the most suitable temperature, and can be linked with the fire protection system as needed Performance characteristics 1 Small size and light weight, Maintenance-free 2 Environmental protection and pollution-free materials, no heavy 3 Accurately estimate the state of charge of the battery pack, that is, the remaining power of the battery, to ensure that the power of the battery pack is maintained within a reasonable range 4 Built-in BMS management system with comprehensive protection and monitoring control functions 5 5" LCD screen display, easy to operate, can check the temperature, voltage, working status, discharge current, dynamic and static SOC algorithm of a single cell, local display of alarm info, alarm level distinction, accurate positioning of abnormal cells 6 Main control MCU can be centrally controlled and manage peripheral settings (AC charging module, inverter module, solar charging module) to adjust the charging current and voltage of peripheral devices according to the battery charging curve, making the system more reliable
ESS lithium battery system is composed of lithium battery modules, BMS system, PV charge controller, AC/DC Charger, central control unit CCU, temperature detector, integrated structure and other parts; the solar panels in the system are battery storage and power for output; BMS module completes the detection and control of voltage, current, temperature, SOC, SOH and charging and discharging related parameters of power battery pack; PV controller and inverter realize bidirectional AC/DC function to meet the charging and discharging conversion demand of power battery pack; each detector is used to monitor the ambient temperature in real time to ensure the safety of the system. Product Features: 1. Standardized components, modular architecture, easy for expansion 2. High energy density, small footprint, short construction period, strong environmental adaptability 3. Battery module within the layered stack design, with more than 10 years of long design life 4. Long Cycle Life LiFePO4 Lithium ion Battery system from 20KWH-500KWH optional 5. The use of international advanced Mitsubishi IPM module and intelligent power module, with high power fast adjustment capability 6. BMS battery management system with SOC automatic calibration and high current active balance function, combined with the perfect operation control and management strategies to achieve accurate and efficient management 7. The combination of software and hardware protection, with alarm protection and automatic diagnostic functions, improve the protection strategy to ensure safe and efficient operation of the system 8. Product communicates with the monitoring platform in real time through RS232, CAN communication interface, and reports various records in time to ensure real-time monitoring of the battery pack of the monitoring platform 9. PV charge controller adopts three charging stages (buck charging, equalize charging and float charging) which can maximize the utilization of PV modules and batteries 10. Colorful LCD display all module working information and status.