LiFePO4 Battery Charger – Fast & Safe Charging

FAQ

Why can't I use a regular car or lead-acid battery charger?

Using a charger specifically designed for LiFePO4 batteries is critical for the safety, performance, and lifespan of your battery. Standard lead-acid chargers will damage your lithium battery.

Here’s why a dedicated LiFePO4 charger is essential:

Correct Charging Method: Our chargers use a specific Constant Current/Constant Voltage (CC/CV) charging profile tailored to LiFePO4 chemistry. This ensures a fast, safe charge to 100% capacity without the risk of overcharging.
No Damaging "Float" Mode: Lead-acid chargers often have a "trickle" or "float" stage that continuously sends voltage into a full battery. This practice is harmful to LiFePO4 cells and will significantly reduce the battery's lifespan.
Ensures Full Performance: A standard charger is not designed to meet the voltage requirements of a LiFePO4 battery and will likely fail to charge it completely, leaving you with reduced power and performance.

To protect your investment and get the power you expect, always use a dedicated LiFePO4 charger.

Is it okay to charge my LiFePO4 battery to 100%?

Yes, absolutely. Our LiFePO4 batteries are designed to be safely and regularly charged to 100% of their capacity. Charging to full gives you access to the battery's maximum power and runtime.

Pro-Tip for Maximum Longevity: For users looking to achieve the absolute highest number of cycles over many years, you can optimize battery life by keeping the daily state of charge between 20% and 80%. However, this is not a requirement, and charging to 100% before a trip or for heavy use is perfectly fine.

Can I drain my LiFePO4 battery completely to 0%?

It's best to avoid this. Your LiTime battery includes a built-in Battery Management System (BMS) that acts as a safety net, automatically shutting off the battery to prevent over-discharge damage.

However, relying on the BMS regularly can reduce the battery's long-term lifespan. For optimal health, the best practice is to recharge the battery when it reaches approximately 20% capacity.

Is it OK to leave a LiFePO4 battery on the charger?

For maximum safety and battery health, we recommend disconnecting the charger once the battery is fully charged.

While our smart chargers are designed to automatically stop charging when the battery is full, disconnecting it is the best practice and ensures you prevent any potential issues.

Do LiTime lithium battery chargers have protection?

Yes, safety is a top priority. Our chargers are engineered with multiple, robust layers of protection to safeguard both you and your battery.

Standard Protections Include:

Over-Temperature Protection
Over-Voltage Protection
Reverse Polarity (protects against incorrect hookups)
Short-Circuit Protection

Special Feature: 0V Activation
Our chargers also include a 0V (Zero-Volt) Activation function. This unique feature can safely "wake up" and revive a LiFePO4 battery whose BMS has triggered a shutdown due to over-discharge. This can potentially save a battery that other chargers would be unable to recognize or recharge.

How to charge lifepo4 batteries connected in series or parallel?

Yes, you can charge your battery bank with a single charger, but the method is different for each configuration.

⚠️ Critical Rule for Both Setups: Always start with identical batteries (same brand, capacity, and age [within 1 month]) and ensure they are at the same voltage level before connecting them for the first time.

Charging in Series (e.g., two 12V batteries to make 24V)

Use the Right Charger: You must use a charger that matches the total combined voltage. For a 24V system, use a 24V LiFePO4 charger.

Balance Regularly: To prevent damage and ensure longevity, you must disconnect the batteries every few months and charge each one individually with a 12V charger. This re-balances the bank.

Charging in Parallel (e.g., two 12V batteries to make a larger capacity 12V bank)

Use the Right Charger: Use a charger that matches the single battery voltage. For a 12V parallel bank, use a 12V LiFePO4 charger. It's also recommended using a bus bar when charging batteries connected in parallel.

Connect for Even Charging: For the best results, connect the charger's positive lead to the first battery and the negative lead to the last battery in the bank. This helps the entire bank charge more evenly.

LiFePO4 Lithium Battery Charger

14.6V 10A

14.6V 10A WaterProof

14.6V+29.2V 10A Waterproof

14.6V+43.8V 10A Waterproof

14.6V 10A 2-Bank Waterproof

14.6V 10A 3-Bank Waterproof

14.6V 10A 4-Bank Waterproof

14.6V+18.25V 5A Waterproof

14.6V+18.25V 10A Waterproof

14.6V+18.25V 20A Waterproof

14.6V 20A

14.6V 40A Mountable

FAQ

Why can't I use a regular car or lead-acid battery charger?

Is it okay to charge my LiFePO4 battery to 100%?

Can I drain my LiFePO4 battery completely to 0%?

Is it OK to leave a LiFePO4 battery on the charger?

Do LiTime lithium battery chargers have protection?

How to charge lifepo4 batteries connected in series or parallel?

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LiFePO4 Lithium Battery Charger

14.6V 10A

14.6V 10A WaterProof

14.6V+29.2V 10A Waterproof

14.6V+43.8V 10A Waterproof

14.6V 10A 2-Bank Waterproof

14.6V 10A 3-Bank Waterproof

14.6V 10A 4-Bank Waterproof

14.6V+18.25V 5A Waterproof

14.6V+18.25V 10A Waterproof

14.6V+18.25V 20A Waterproof

14.6V 20A

14.6V 40A Mountable

FAQ

Why can't I use a regular car or lead-acid battery charger?

Is it okay to charge my LiFePO4 battery to 100%?

Can I drain my LiFePO4 battery completely to 0%?

Is it OK to leave a LiFePO4 battery on the charger?

Do LiTime lithium battery chargers have protection?

How to charge lifepo4 batteries connected in series or parallel?

Get an Exclusive 5% OFF Discount

Shop By

Applications

Support

Company