• Harveypower's BMS system monitors and regulates stackable solar battery charge and discharge status. The monitored battery characteristics include the detection of battery type, voltage, temperature, capacity, state of charge, power consumption, remaining operating time, charge cycles, and more.
• It can process and monitor up to 16 stackable battery packs at the same time, provide a battery balancing function, manage different batteries with the same charge and discharge requirements, and ensure the optimal utilization of the remaining energy in the battery.
• BMS Specification:

• Installation and Testing

• LED Display (Optional)

Build an LED display outside the product group to visualize the overall data and status of the battery pack. You can also DIY the operation functions of the display according to your needs.

• Self-heated Function (Optional)

• Bluetooth Function (Optional)

• State of Health (Optional)

Not only can we know whether the remaining available capacity of the battery can meet our demand for the total temporary power consumption, but also know when each single battery and battery pack needs to be replaced and repaired.

• More Optional

Yes, and the stackable battery should be stored in a cool, dry, ventilated environment, to avoid contact with fire and heat sources. Batteries should be stacked so that they're stable and won't be bumped, knocked over, or otherwise damaged.
The best storage temperature is 25 ± 5 ℃, the best humidity is 60 ± 15%.

The parallel connection is better, the parallel voltage remains unchanged, and capacity increases.
The voltage is higher current, heat is faster (the battery also has resistance), so the life is short, parallel connection through the two batteries is independent of the current, will not affect the life.