Safe UPS 100Ah 12V Rechargeable Battery Pack Solar Emergency Power Supply

Custom 12V Rechargeable Battery Pack UPS Power Safe Battery Lithium 12V 100Ah

Possible dangers
Risk of short circuit and the subsequent fire
Charged and uncharged cells contain large amount of electricity, which can cause a short-circuit in the electrical spark or arc. The battery itself is not combustible, but from incandescent contacts may ignite other combustible materials.
Risk of injury by DC
When connecting more cells and batteries in series increases the risk of injury DC. In any case, do not touch electrical wires or other components under voltage.
Risk of chemicals
Lithium cells and batteries contain no caustics and acids. However contain chemical substances, that act on the human body. For this reason, in the handling of cells and batteries must observe the following rules:
Eye protection: protect your eyes with goggles against the ingress of chemicals in the eye.
Skin protection: wear protective clothing and gloves. Avoid skin contact with chemicals.
Protection against inhalation: Operate with batteries only in well-ventilated areas. In enclosed spaces it is necessary to provide forced air ventilation.

Charging

warning
WARNING: Carefully check the maximum voltage as specified cells or batteries. Exceeding the voltage will damage the battery and void the warranty.

Initial charging
New batteries LFP/LFYP are partly charged from factory. However, before first use it is absolutely necessary to charge the battery to full capacity. This initial charging should be done at maximum current of 1C and the voltage level according to the specification of the cell or battery. Please see specifications of the cell about value of initial charging. Battery capacity in the first cycle gradually grows. In the first few cycles is recommended to avoid rapid discharge to the minimum capacity and we do not recommend quick charging. After about the fifth, sixth cycle, is nothing to prevent the batteries used in full operating cycle according to the manufacturer's specifications for the type of battery.

Standard charging
Because LiFePO4 batteries has no memory effect, charging can be done at any time. Repeated short charge cycles the battery life not significantly changed (within + / - 5%).

Discharging

warning
WARNING: Carefully check the minimum voltage as specified cells or batteries. Discharging below this voltage will damage the battery and void the warranty.

Maximum discharging currents for single cells or batteries are listed in the manufacturer's specifications for the type of cell.

Battery and cell checking

Battery check and match any individual cell or battery is done by charging the cells in series, connecting the charger to each individual battery. Checking the battery status and any match is recommended to perform these intervals (ie, discharge / charge cycle):
first charge
after the first cycle
after the 5 cycles
after the 20 cycles
after the 50 cycles
possibly followed by further the anomalies detected about once every 50 to 200 cycles

BMS

Each Battery a built-in BMS. This BMS is a high-tech design that manage two main aspects of battery during operation :Protection features :
Low Voltage Protection Switch – Automatically disconnects at 10.0V
Over Voltage Protection Switch – Automatically disconnects at 15.0V