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PROFESSIONAL

Over 15 years of market leadership, Competitive Advantage, Using the finest quality materials.

Custom Services

Actively sign secrecy agreement, Short productions lead time, 100% quality inspection, Superior resin quality

ODM&OEM

Produce your design, Give us an idea Provide your design draw （3D draw、Line draw， Plane Draw）

SERVICE

Quotation within24 hours,  Sample within 7 days. Production within 2 weeks

How long has BSLBATT been in business?

BSLBATT Battery was founded in 2003. BSLBATT’s founder-owned and operated a lead-acid battery company for over 36 years prior to founding our company with the goal of developing innovative and efficient energy storage solutions.

I want to upgrade to lithium iron phosphate batteries. What do I need to know?

As with any battery replacement, you need to consider your capacity, power, and size requirements, as well as making sure you have the right charger. Keep in mind, when upgrading from lead-acid to LiFePO4, you may be able to downsize your battery (in some cases up to 50%) and keep the same runtime. Most existing charging sources are compatible with our lithium iron phosphate batteries. Please contact BSLBATT technical support if you need assistance with your upgrade and they will be happy to make sure you pick the right battery.

Can I use my existing lead-acid battery charger (Wet, AGM or Gel) to charge BSLBATT lithium iron phosphate batteries?

Most likely, yes. In general, lithium batteries are charger-friendly. Most chargers today have a lithium charge profile, which is what we recommend using. In most instances, AGM or gel charge profiles will work with our batteries. We do not recommend the use of a flooded charge profile with our batteries. These chargers may reach the overvoltage protection limit and disconnect. It won’t damage the battery but will likely result in charger faults. Before using any charger with BSLBATT batteries it is best to first verify the charge profile is within our specifications, which can be found in our Charging Instructions. Be sure to read over our charging guide in detail prior to charging your BSLBATT battery.

How long will it take to charge a lithium battery?

Lithium iron phosphate batteries can be charged in as fast as 1 hour. We recommend using a rate that charges our batteries in 2-5 hours. Please refer to the datasheet for your particular model, to find the recommended charge rates. All of our data sheets are available on our website within the product section.

What is a BMS? What does it do and where is it located?

BMS stands for Battery Management System. The BMS protects the cells from getting damaged — most commonly from over or under-voltage, over-current, high temperature or external short-circuiting. The BMS will shut off the battery to protect the cells from unsafe operating conditions. All BSLBATT batteries have a built-in BMS to manage and protect them against these types of issues.

How deep can a lithium iron phosphate battery be discharged?

LiFePO4 batteries can be discharged up to 100% without risk of damage. Make sure you charge your battery immediately after discharge. We recommend discharging be limited to 80-90% depth of discharge (DOD) to avoid the BMS disconnecting the battery.

What is the expected life of a LiFePO4 battery?

Battery life is measured in life cycles and BSLBATT’s LiFePO4 is typically rated to deliver 3500 cycles at 100% depth of discharge (DOD). Actual life expectancy is dependent on several variables based on your specific application. If used for the same application, a LiFePO4 battery can last up to 10X longer than a lead-acid battery.

How does the rate of discharge effect capacity?

The rate of discharge for LiFePO4 batteries has virtually no effect on the delivered capacity. This is not the case with lead-acid batteries which have significantly reduced capacity of up to 50% as the rate of discharge increases.

What’s the difference between parallel and series connections?

Parallel connections involve connecting 2 or more batteries together to increase the capacity of the battery bank. In this case, the positive terminals are connected together and the negative terminals are connected together of all the batteries until you reach your desired capacity.

Series connections involve connecting 2 or more batteries together to increase the voltage of the battery system. The positive of one battery is connected to the negative of another until the desired voltage is achieved. For example, if you connect 2 x 12V batteries in series, the battery system will be 24V.

FAQs

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