2 Cell Battery holder AA Black with Wire
TP4056 Li-ion 5V/1A 18650 BATTERY CHARGER
- Input interface: Micro USB
- Input voltage: 4.5V-5.5V
- Full charge voltage: 4.2V
- Current: 1A adjustable
- Charge precision: 1.5%
- Battery over-current protection: 3 A
- The battery Under-voltage protection: 2.5 V
- Linear charging mode
- Maximum charging current output: 1000 mA
- Use mature charging chip TD4056 for simple peripheral circuits
- Good performance & high charging accuracy
- Dimension: 25*19*10m
- Weight: 16gm
USB for DIY charger 5V Step-Up Power Module Lithium Battery Charging Board
- Input Voltage:3.7V~5.5V
- Charging Current:1A(max)
- Output Current:1A(max)
- Output voltage:5V
- BAT Discharging Stop Voltage: 2.9V.
- Discharging Efficiency:85%(input 3.7V output 5V/1A).
- Charging and discharging indication.
- Internally installed charging and discharging power MOS.
- Preset 4.2V charging voltage, precision ±1%.
- Max 8uA standby current.
- Integration charging management and discharging management.
- Intelligent temperature control and overtemperature protection.
- Integration output overvoltage protection, short circuit protection, overload protection.
- Integration overcharging and over-discharging protection.
- Support trickle mode and zero voltage charging.
- When charging: red light flashing.
- Fully charged: Red light glows for a long time
LIPO Voltage Battery Tester
- Input: 1S-8S Battery
- Battery Type: Lipo/LiFe/Li-ion/LiMn
- Voltage Detection Precision: +/- 0.01V
- Unit Voltage Display Range: 0.5V to 4.5V
- Total Voltage Display Range: 0.5V to 36V
- 1S Test Mode Voltage Range: 3.7V to 30V
- Low voltage alarm mode for 2-8S
- Alarm Set Value Range: OFF~2.7V to 3.8V
- Buzzer Alarm for low voltage indication.
- Useful for measuring each cell voltage.
- It has a mode button at the top for setting the desired voltage value.
- Dimension: 4*2.5*1cm
7.4 Lipo Battery Indicator Display Board
- High reliability, low cost and compact size.
- LED Flash for low charge warning.
- Memory option to recall the quantity of electricity.
- Specifically designed to monitor the power level of the battery while charging or discharging.
- Provides instant battery status to permit effective management of the charging.
- Display of 4 segments LED bar graph
- Easy to install and operate.
Dual Micro USB 3.7v to 5V 2A Power Bank DIY 18650 LiPo Charger
- 4-level LED lamp display power, not working state intelligent automatic shutdown;
- The built-in lithium battery protection IC, over-current, under-voltage protection;
- Dual USB output ports.
- Dimensions: 68 x 34 x 9 mm (LxWxH)
- Weight: 10 gm
- Input port: MicroUSB (Andro)
- Input requirements: 5V constant voltage power supply can do charge input power, the most matching charger for 5v1a above
- Output port: USB
- Output parameters: 5V1A/5V2A
- Requirements for rechargeable batteries:
- Compatible Batteries: 18650 batteries, cell phone batteries, flat-panel batteries, MP3 batteries, etc. 3.7v-4.2V polymer Lithium battery,
12V 18650 10A BMS Charger Li-ion Lithium Battery Protection Board Circuit Board 10.8V 11.1V 12.6V Electric
USB Charger Doctor
- Display data: Voltage Current
- Operating Voltage: 3.5 to 7 V
- Maximum Current: 3 A ( accuracy of 0.4% )
- Battery Capacity (0-99999mah)
- Working time (0-99Hour)
- Charger voltage compliance DC 5V
- Resolution : Voltage 10mV current 1mA
- Error : voltage <± 1% current <± 2%
- USB Plug: 13mm / 0.5"
- RTZ, Reset button, press it three seconds will Reset
- The working time and Capacity have a Memory function when power is off.
- Compact and easy to carry, no additional power supply, plug, and play
- Detect any USB charger such as PC USB, home charger, car charger
- Easily measures the output voltage of the USB port and the device operating current or load voltage
- Dimensions: 21mm x 53mm x 15mm
- Weight: 16.2gm
3S BMS BOARD 25A
- Charging Voltage: 12.6V DC CC/CV
- Balance Voltage for Single Cell: 4.2V
- Max Continuous Charge/Discharge Current: 25A
- Overcharge voltage range: 4.25-4.35v + 0.05v.
- Over discharge voltage range: 2.3-2.7v + 0.05v.
- Operating current: 0 – 25A.
- Operating temperature: -40 – +50℃.
- Instantaneous current: 35 – 40A.
- Storage condition: -40 – +80℃.
- Quiescent current: less than 30uA.
- Balance current: about 40 – 50mA.
- Effective life: more than 30000 hours.
- Internal resistance: less than 100m ohms.
- Short-circuit protection: protection, delayed self-recovery.
Dual USB 5V 1A 2.1A Mobile Power Bank Battery Charger
- Micro USB input: 5V 1A
- Charging voltage input: 5V-6V 1A.
- Step-up voltage output: 5V 1A/2.1A (Dual output, Total 2.5A).
- USB Output: 5V 2.1A / 5V 1A(Dual USB interface)
- Charging display: intelligent digital display
- Batteries Type: liquid lithium-ion batteries (18650)
- Best for Arduino, DIY Kits, Power bank, etc.
- Protection circuit: Overcharge protection: 4.250V Overcharge protection release: 4.100V.
- Protection circuit: Over-discharge protection: 2.900V Over-discharge protection release: 3.000V.
- Idle time before LCD switch off 60secs.
- Screen size:27mm x 17mm
- Dimension: 57mm x 28mm