12db 5V Boost Step Up tápegység Lithium LiPo akkumulátortöltő védőkártya LED kijelző USB barkács töltőhöz 134N3P program
12pcs 5V Boost Step Up Power Module Lithium LiPo Battery Charger Protection Board LED Display USB For DIY Charger 134N3P Program
Features:
1. Charge and discharge status indication
2. Built-in charging and discharging power MOS
3. Integrated charge management and discharge management
4. Intelligent temperature control and over temperature protection
5. Integrated output overvoltage protection, short circuit protection, heavy duty protection
6. Integrated overcharge and over discharge protection
7. Supports turbulence mode and zero voltage charging
Application:Batteries like Polymer ,18650 Lithium ,Cell Phone ,Tablet and MP3 Battery ect.
Note: 
The step up charging board can be connected to a lithium battery and 
connected in multiple sections of lithium batteries, as long as the voltage is 3.7-4.2V in parallel(only be connected in parallel, not in series)
Specification:
1. Input voltage: 3.7V~5.5V
2. Charging current: up to 1A
3. Output current: up to 1A (please do not take longer than 1200mA current device)
4. Output voltage: 5V
5. BAT discharge termination voltage: 2.9V
6. Preset 4.2V charging voltage with an accuracy of ±1%
7. Discharge efficiency: 85% (input 3.7V, output 5V/1A)
8. Maximum 8uA standby current
Package included:
12 x 5V Battery Charging Protection Board
1005003161018023 - modules