PACKAGE CONTENTS
1 x 14.6V 40A Battery Charger
1 x User Manual
1 x AC Power Cord
TECHNICAL DETAILS
BASIC
Output Voltage：
14.6V
Output Current：
40A
Max Input Current：
13A
Lithium Battery Activation：
✔
Input Voltage Range：
AC 100V to 240V (50Hz to 60Hz)
LED Indicator：
LED always on red：Battery is charging LED always on green: Battery is fully charged LED flashes green: Charger is on standby LED flashes red: Charger fault or under protection (overtemperature protection, output short-circuit proctection, reverse polarity connection protection, output over-voltage protection).
PROTECTION
Over Temperature：
✔
Output Short-Circuit：
✔
Reverse Polarity Connection：
✔
Output Over-Voltage：
✔
TEMPERATURE
Operating：
-4℉ to 104℉ (-20℃ to 40℃)
Storage：
-40℉ to 158℉ (-40℃ to 70℃)
OTHERS
Size：
L11.54 x W5.31 x H2.78 in.
Approx. Weight：
6.17 lbs
Warranty：
2 Years
Anderson Connector：
50A
FAQs
Q: Is it OK to leave a lithium-ion battery on the charger overnight?
A:
Leaving a lithium-ion battery on the charger overnight is generally safe if you use a charger, such as those from Timeusb, designed to stop charging once the battery is fully charged. Most modern lithium-ion chargers have this feature to prevent overcharging.
Q: Can I charge LiFePO4 to 100%?
A:
Yes, you can. However, charging a battery to less than 100% and avoiding complete discharge will always enhance cell longevity. Similarly, keeping the state of charge (SoC) between 20% and 80% will extend the lifespan of lithium batteries. For instance, Timeusb deep cycle lithium batteries can endure over 4000 deep cycles at 100% Depth of Discharge (DoD), over 6000 cycles at 80% DoD, and more than 15,000 cycles at 60% DoD.
Q: Can I charge a LiFePO4 battery with a trickle charger?
A:
Trickle charging is not suitable for lithium batteries. Using a trickle charger not specifically designed for LiFePO4 batteries can cause overcharging or damage because lithium batteries have different charging requirements compared to traditional lead-acid batteries.
What about a regular charger? For more information, refer to the article "Can I Charge LiFePO4 with a Normal Charger?"
Q: What charger should I use for LiFePO4 battery?
A:
To fully charge a 12V LiFePO4 battery, you need a charger with a voltage between 14V and 14.6V. Using a charger with a lower voltage will still charge the battery, but it won't reach 100% capacity.
Q: What voltage should LiFePO4 lithium batteries be charged at?
A:
The appropriate charger depends on the voltage of your LiFePO4 lithium batteries. For 12V LiFePO4 batteries, the recommended charger is the Timeusb 14.6V charger.