Hey Guys,
We are trying to order a battery from a factory. We need advice on which battery would work best for us.
WE NEED TO BE ABLE TO CHARGE 4 PHONES SIMULTANEOUSLY [/u][/b][/b][/u]AND WE NEED THE BATTERY TO HOLD UP FOR A MINIMUM OF 6 HOURS.
ALL THE MOBILE CHARGERS AND POWER BANKS WE...