trustfire 4*18650 4000mah battery pack 12v battery

trustfire 4*18650 4000mah battery pack 12v battery

Product Specification:

Advantages:

Had no memory effect: can follow along with the filling in, do not need to wait for electricity recharging exhausted;

Had long cycling life: fully charged up to 500 times or more times;

Environmental pollution had: do not contain lead, cadmium, mercury and other harmful substances,

all products are through the SGS certification;

Had high safety: no explosion, not on fire.  

Application:

Various types of dynamic models, power tools, electric toys, etc. ...
 

Medical equipment Back-up or EPS Emergency Power Supply, bike lighting
Portable breathing machine

Ideal for replacing batteries for 12V HID (10 to 13W) and Diving Lights for long running time
Perfect for building 10.8V battery pack for RC toy, robots, and DVD external battery.

Feedback:

If have any problems with my product ,Please don't leave negative or neutral feedback.Please contact me first,I am sure everything could be well solved by communication.Thank you very much! (100% Refund 100% Credit 100% Replacement 100% Exchange)!

notes:

Strongly suggest that you use our smart Li-Ion battery charger to recharge the battery pack  

Never use conventional DC adapter to charge the battery module) We are NOT responsible for any damage that is caused by the misuse of the Li-Ion Battery

Please don't make parallel connection with more than two modules to avoid
uneven charge

CAUTION: when working with Li-ion cells, they are very sensitive to charging characteristics and may explode if mis-handled.

more pictures: