@Alan McR The email we sent you was returned, can you provide us with another email address? 

Hello Alan, 1) Our lithium batteries are deep cycle batteries and cannot be used as starting batteries for vehicles. 2) The "Battery Over-discharge voltage" level can be changed, but after the da...

Is it possible to use the app to change the "Battery Over-discharge voltage" level?  I would like to set it fairly high (ex: 30%), so that an unexpected battery drain cannot actually drain the...

@John K Johnson  https://balmar.net/mc-618-voltage-regulator/ The Max Charge MC-618 should be available, the principle is to adjust the output voltage by comparing the battery voltage to ach...

I just bought 4 of your 100 amp batteries, intended for use in a boat, and am now installing.  The boat has a dual output Balmar alternator (e.g., one output for the starting battery and one f...

We recommend that you use an inverter ≤ 2500W. 3000w inverter can also be used, but when you take more than 100A load, you need to pay attention to the use of temperature range: -10 ° - 50 ...

I want to buy 2 of yours 100Ah batteries for my RV. What is the max inverter size I can use with them? Is 3000 Watt acceptable?   

The lithium battery cannot be charged with vehicle alternator.You can use lithium battery chargers, standard charger, solar or wind charge controller to charge our LiFePO4 deep cycle battery.

If you use utility power (AC), shore power (AC) or generator (AC) to charge the battery, you can use an AC to DC charger.If you use your vehicle’s alternator and starting battery to charge th...

As the battery is completely discharged to an undervoltage protected state, so the general charger can not charge the battery.The battery can be restarted in several ways:1) Charging the battery wi...

The recommended charger for lithium batteries is less than ≤ 0.5C. For example ≤ 50A for 100Ah batteries,  ≤ 10A for 20Ah batteries.

My 12V 10AH battery can't be charged after being fully discharged.

Can I charge the 12v 100ah battery with my vehicle alternator? Any protection needed to do so? 

Can you recommend a charger for the 12V100Ah battery?

What size charger does the lithium battery support?

Our 12V 100Ah lithium batteries have low temperature protection, but no self heating capability.Here is the specification: https://cdn.shopify.com/s/files/1/0583/7271/8767/files/Aolithium_12V100Ah_...

Our Aolithum 12V100Ah batteries can connect in parallel for 200Ah, 300Ah, 400Ah (maximum) larger capacity, or connect in series for 24 volts (maximum) battery bank.However, it can not be connected ...

Connected in parallel:1) Recommend to fully charge the batteries before parallel connection.2) The voltage of the two batteries should be the same (error range 0.1V).3) The cable length between bat...

There are two ways to solve the problem:1) Use shims in the recessed terminals, shim thickness not less than 8 mm.The recommended shims size: M8*20*8Inner diameter: M8Outer diameter: 20mm (allowabl...

I have a couple of your 12v 100ah batteries on the way. I notice they come with recessed terminals designed for ring terminal cables that are secured by an 8mm bolt. The problem I'm anticipating i...