Such a battery is the battery:

 1, life must be long, other brands battery life is generally 3--5 years, Panasonic battery life of 6 years (25 ℃) / 10 years (20 ℃)!
 
 2, the capacity must be adequate, Panasonic battery research and development of advanced manufacturing technology and strict quality checks to ensure that each factory only batteries are excellent products
 
 3, the charge must be fast, unique Panasonic battery electrolyte formula, the energy density of the battery, air tightness, charging fast, smooth!
 
 4, be sure to use a wide, Panasonic batteries to achieve a compact, lightweight, suitable for large, medium and small UPS, communications, medical equipment, security systems, to meet customer needs, has been widely used in various fields
 
 5, security must be high, Panasonic batteries using advanced fire resistant ABS shell body and nanometer high-quality grid alloy technology, the battery has anti-overcharge, anti-over-discharge, vibration, impact-resistant, and can be anywhere placement, easy to protect and use
 
 6, cost must be high, Panasonic batteries achieve OTO mode ("OTO" is "Online To Offline" shorthand, namely "line to the next line"), is the real factory - customer sales model, eliminating the middle all aspects, lowering low-cost, to achieve a win-win manufacturers and customers
Of course, in the lithium battery, the most durable or 26650 Rechargeable Li-ion Battery！