Dual Power Output Options: V9 expansion board supports 5V/3A or 3V/1A power output with Micro USB supporting 1.5A charging current for versatile charging capabilities Comprehensive Safety Protection: The mobile power supply has a built-in lithium battery protection IC with over-current, over-voltage, under-voltage and over-temperature protection Versatile Application: Battery expansion boards are mainly used in mobile power or other battery-powered devices for reliable portable power solutions Clear Installation Guidance: Pay attention to the positive and negative battery terminals when installing, which are clearly marked on the circuit board for proper setup Battery Connection Requirements: The normal operating voltage of the battery is 3.2V-4.2V, please do not connect the batteries in series as series connection will increase the voltage. If you need to increase the capacity of the battery, you can connect in parallel, do not connect in series Four Battery Holder Design: Accommodates four 18650 Li-ion batteries providing expanded capacity and extended power supply for your devices High Conversion Efficiency: Features conversion efficiency up to 95 percent ensuring minimal power loss during charging and discharging operations LED Power Indicator: 5-level LED light display shows the power level with detailed charging and discharge status indicators for easy monitoring of battery capacity Product Parameters
Size: 99.16mm*29.28mm*21mm(L*W*H)
Input port: Micro USB
Input Requirements: 5V constant voltage power supply can be done charging power input, matching charger 5V1A or above
Output port: USB or expansion port
Output parameters 5V/3A or 3V/1A
Conversion efficiency up to 95% (high conversion rate)
Operating temperature: -20 ℃ ~ 70 ℃
Operating instructions
1. Click to turn on the machine.
2. Press the key three times to shut down.
3.5-level LED light shows the power level, the default power on has been in the working state, you need to manually shut down (if you need to change to the non-working state automatic shutdown mode, only need to flip the toggle switch to the non-working state automatic shutdown mode).
4. Charging power display: 100% (five LEDs are fully illuminated) 80-99% (D5 is blinking) 60-80% (D4 is blinking) 40-60% (D3 is blinking) 20-40% (D2 is blinking) 0-20% (D1 is blinking).
5. Discharge power display: 80-100% (five LEDs are fully lit) 60-80% (D5 lights out) 40-60% (D4, D5 lights out) 20-40% (D3, D4, D5 lights out) 5-20% (D2, D3, D4, D5 lights out) 1-5% (D1 is blinking) 0% (all out).
6. Intelligent input and output, do not have to worry about charging time is too long, free of user worries.
Size: 99.16mm*29.28mm*21mm(L*W*H)
Input port: Micro USB
Input Requirements: 5V constant voltage power supply can be done charging power input, matching charger 5V1A or above
Output port: USB or expansion port
Output parameters 5V/3A or 3V/1A
Conversion efficiency up to 95% (high conversion rate)
Operating temperature: -20 ℃ ~ 70 ℃
Operating instructions
1. Click to turn on the machine.
2. Press the key three times to shut down.
3.5-level LED light shows the power level, the default power on has been in the working state, you need to manually shut down (if you need to change to the non-working state automatic shutdown mode, only need to flip the toggle switch to the non-working state automatic shutdown mode).
4. Charging power display: 100% (five LEDs are fully illuminated) 80-99% (D5 is blinking) 60-80% (D4 is blinking) 40-60% (D3 is blinking) 20-40% (D2 is blinking) 0-20% (D1 is blinking).
5. Discharge power display: 80-100% (five LEDs are fully lit) 60-80% (D5 lights out) 40-60% (D4, D5 lights out) 20-40% (D3, D4, D5 lights out) 5-20% (D2, D3, D4, D5 lights out) 1-5% (D1 is blinking) 0% (all out).
6. Intelligent input and output, do not have to worry about charging time is too long, free of user worries.