Nowadays, it's not that difficult to assemble a battery pack. It's much more difficult to engineer a quality battery pack that will perform safely and reliably for several years. At SES we've been engineering batteries since 1993 and have a talented staff of enginemore...
 We are giving small compact BACKUP solution for light and fan using lithium battery. We provide battery pack solution using lithium battery for all application like power tools, personal care, medical devices, hand held devices , toys , solar street light , compact UPS SYSTEM more...