Ultra-thin polymer lithium battery 2100mah 7.4V for medical equipment Most lithium batteries used in medical devices are polymer batteries, because .....
14.8V 5Ah Professional Rechargeable Lithium Battery Pack For Portable Medical Device power tool Lithium-ion polymer batteries: use polymers to gelate ...
High discharge lithium ion battery customized 18650 cells pack with LCD display . The battery pack has the advantages of long cycle life, low internal ...