It appears that your cart is currently empty
Feature:
4 string 16.8V 40A lithium battery protection board (comes with recovery function-AUTO Recovery)
Scope: Nominal voltage of 3.6V, 3.7V lithium battery (including 18650,26650, polymer lithium battery)
Product Size: 45 * 55 * 3.4mm (Standard Edition / Enhanced), 46 * 60 * 3.4mm (balanced version)
Product weight: 9.3g (standard / enhanced version), 10.3g (balanced version)
Charging voltage: 16.8V - 18.1V
Continuous discharge current (upper limit): 40A (if the cooling environment is not good, please reduce the load current use)
Continuous charge current (upper limit): 20A
Equalization version: suitable for starting current below 80A, power 135W below the drill.
| Project | Min. | Typ. | Max. | Units |
| Consuming current | 12 | 18 | 24 | uA |
| Overcharged protection voltage | 4.2 | 4.25 | 4.3 | V |
| Balanced starting voltage | 4.17 | 4.2 | 4.23 | V |
| Equilibrium current | 95 | 100 | 105 | mA |
| Balanced heating power | 1.56 | 1.72 | 1.91 | W |
| Overcharge recovery voltage | 4.1 | 4.15 | 4.2 | V |
| Over-discharge protection voltage | 2.4 | 2.5 | 2.6 | V |
| Overvoltage protection after over-discharge protection | 2.8 | 3 | 3.2 | V |
| Overvoltage protection after over-discharge protection | 3.2 | 3.5 | 3.8 | V |
| Over-discharge recovery voltage | 2.9 | 3.2 | 3.3 | V |
| Conduction internal resistance | 2.5 | 3 | 3.5 | mΩ |
| Overcurrent protection current C | 70 | 80 | 90 | A |
| Overcurrent delay time | 100 | 150 | 200 | ms |
| Continuous operating current | 0 | 40 | 40 | A |
| Continuous output power | 0 | 672 | 672 | W |
| Ambient temperature | -40 | 25 | 85 | °C |
| Fault phenomenon | Fault check and cause | The solution |
| Unable to charge | Measuring the voltage of 4 groups of batteries. | Pair the battery pack well, do not mix |
| when one of the battery voltages exceeds 4.25V, | the good battery and the bad battery. | |
| the protection board will activate overcharge protection. | ||
| Unable to discharge | Measuring the voltage of 4 groups of batteries. | Pair the battery pack well, do not mix |
| when one of the battery voltages is lower than 2.7V, | the good battery and the bad battery. | |
| the protection board will activate the over-discharge | ||
| protection. | ||
| Charging/discharging | OV, 4.2V, S.4V, 12.6V, 16.8V miswired | Rewire or replace the new board |
| failure | (human failure, no warranty) | |
| Overcharge/overdischarge | OV, 4.2V, 8.4V, 12.6V, 16.8V miswired | Rewire or replace the new board |
| failure | (human failure, no warranty) | |
| Discharge protection | Check that the battery pack has sufficient discharge | Replace the battery pack with a higher |
| capability and check that the load's starting current | discharge capacity, or a protective | |
| exceeds the overcurrent protection current of the | plate with a larger current | |
| protection board. | (super working range) | |
| Component soldering | There is no connection between one of the components | Repair welding |
| and the PCB pad. | ||
| Component welding | There is a short circuit between two or more pins of the | Remove the component and re-weld |
| component. | ||
| Electrostatic breakdown A | In the unpowered state, measure the G, D, and S | Remove the replacement MOS tube |
| poles of the MOSFET. If the forward and reverse | ||
| resistances of any two pins are 0Q, | ||
| it indicates that it has broken down. | ||
| Electrostatic breakdown B | Remove the MOS tube and measure the resistance | Remove the replacement MOS tube |
| of the G and D, G and S poles of the MOS tube. | ||
| If there is a resistance indicating that it has broken | ||
| down, the resistance should be infinite. |
Package includes:
3 x Battery Protection Board
Related product
HappyFish.co.za
100K-6GHz Full Band Low Noise Am...
Description:The HT004 Low Noise Amplifier is an elec...
R 772.38 R 508.25
Description:The HT004 Low Noise Amplifier is an electronic device that is primarily used to amplify signals and minimize the effects of noise. It operates in the frequency range...
HappyFish.co.za
WZ3605E CNC DC Buck-Boost Conver...
Feature:>>>Manual: Click here to open<&l...
R 579.40 R 438.00
Feature:>>>Manual: Click here to open<<< Model WZ3605E Input voltage 6.0~36.00V Output voltage 0.60~36.00V Output current 0~5.000A Output po...
HappyFish.co.za
MMDVM Hotspot Spot Radio Station...
Description: Jumbo-SPOT-RTQ is a completely self-con...
R 2,189.70
Description: Jumbo-SPOT-RTQ is a completely self-contained digital hotspot supporting DMR, Dstar, P25 and System Fusion communications. Fully assembled and tested in a ruggedize...
HappyFish.co.za
RTL-SDR Blog RTL SDR V4 R828D RT...
Specifications:Tuning range: 500 kHz to 1.7 GHzBandw...
R 2,042.10
Specifications:Tuning range: 500 kHz to 1.7 GHzBandwidth: Up to 3.2 MHz (2.4 MHz stable)ADC chip: RTL2832U, Tuner: R828DTemperature Controlled Crystal Oscillator (TCXO): 1 PPMCo...
HappyFish.co.za
Solar Powered Exhaust Fan 4W Mon...
Specifications:Solar Panel Power: 4WWorking Voltage:...
R 358.50
Specifications:Solar Panel Power: 4WWorking Voltage: 12VWorking Current: 0-330mASolar Panel Dimensions: 150 x 150 mmOutput Port: DCDC Cable Length: 1.5 mSolar Cell Type: Monocry...
HappyFish.co.za
EW-EC300 Di2 Charging Adapter US...
Specifications:Dimensions: 28mm x 20mm x 15mmChargin...
R 402.60
Specifications:Dimensions: 28mm x 20mm x 15mmCharging Input: USB-C portVoltage Input: 5V (USB standard)Material: Lightweight and robust engineered plasticCompatibility: for Shim...