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This product is a high-efficiency Adjustable DC-DC Step Down Converter that can work in constant voltage or constant current mode. This makes it suitable as an LED driver or a battery charger moduke.Input Voltage Range: 4-38VDCOutput Voltage Adjustment Range: 1.25-36VDCOutput Current: Adjustable to ..

Battery management and protection board with charge balancing for Li-ion Battery.Number of Cells: 7Nominal Voltage: 29.4VWorking Current: 15APeak Current: 20AOvercharge Cutoff Voltage: 4.25+/- 0.05V per cellDischarging Cutoff Voltage: 2.5V +/- 0.05V per cellBalance Current: 46mAKit includes:1x 7S BM..

Extremely reliable, high power DC/DC converter. C-Class non-isolated.Output Voltage: 0.6-5.1V DC adjustableLoad Current: 0-20AInput Voltage Range: 4.5V-13.8V DC (Note 1)Line Regulation: 0.2%Load Regulation: 0.5%Switching Frequency: 750kHzNo Load current (0.6V Output): 100mA Typ Note 1: Input voltage..

3.7V 6800mAh Li-ion Rechargeable BatterySize: 18650Note: This type of battery has no buil-in protection circuit (BMS), hence should be used with caution.Honest Disclosure: Do not trust the 6800mAh rating. The actual rating is probably much lower than claimed.We tested samples of this battery and fou..

True rated Lipo Battery with built-in BMS protection board.Nominal Voltage: 3.8VCapacity: 2200mAh 8.36WhYear Manufactured: 2015-2016Dimensions:50Wx60Lx5.2T approx.Note: This is a brand new high quality Lipo battery offered at a huge discount because it has never been put into use since 2015. It stil..

This board is a high efficiency, true rated AC/DC converter module that employs a dedicated SMPS IC. This makes it quite reliable, more efficient, and a lot less noisy compared to other low cost modules that employ basic self oscillating circuits.Chip: FSD3773 or equivalentOperating Voltage: 220VAC ..

This board is a high efficiency, true rated AC/DC converter module that employs a dedicated SMPS IC. This makes it quite reliable, more efficient, and a lot less noisy compared to other low cost modules that employ basic self oscillating circuits.Chip:FSD2525B or equivalentOperating Voltage: 220VAC ..

220VAC to DC5V Isolated power supply module with secondary overload and short circuit protection. This module provides a cost effective solution to applications that requires an onboard AC converter circuit.AC Input: 85V-265VACDC Output Voltage: 5VDC nominalMaximum Output Current: 700ma (3.5W)Peak ..

3S (11.1V) Li-ion Battery BMS Protection BoardProtects your Li-ion Battery from Over charging and discharging, short-circuit, and over current. Designed for 3S battery pack in triangular arrangement.Overcharge Voltage: 4.25V-4.35VOverdischarge Voltage: 2.3-3.0VWorking Current: 6-8AOvercurrent: 9-10A..