3 Best
Battery Power Backups
-
Product Highlights- Usb storage: in shut down state, connect computer with usb cable, device is an 32gb u disk,you can use it for saving and copy your files. you can play recording files via media player in your computer.
- Spy voice recorder+ mp3 player+ power bank battery charger
- 380 hours continuous record built in storage vas ultra sensitive microphone
- Very sensitive microphone which can record the sound from a distance of even 30-40 feet.
- Power bank: this device has power bank function,input and output both are usb 2.0 interface.
- Voice activated mini recorder hidden long-distance dictaphone with strong magnetism power bank mp3 u-disk 4 in 1
SHOWview product -
Product Highlights
- Overcurrent protection, overcharge protection, overdischarge protection, short circuit protection. when connecting 3 sets of batteries in series, please ensure that the voltage of each set of batteries is the same. if they are different, please fill each set of batteries separately and then use them in series. during the discharge test, the battery with the fastest volt...
- Wide operating temperature range -40~50¡æ, low self consumption
- Built-in high precision voltage detection circuit makes the 12v 3s 18650 protection board quick response and protect the battery from damage in time
- The 12v lithium battery protection board is suitable for massager battery pack, led backup power supply, 12v electronic products, solar street lamp battery pack, monitoring backup power supply, andproducts
- The bms 3s protection board is made with electroniconents, stable charge and discharge, with long service
SHOWview product
Coupon copied
