how long does it take for a camera battery to charge
1 It takes approx. 2  2 hours to fully recharge a completely exhausted battery at 23â / 73â. 3  The time required to recharge the battery depends on the ambient temperature and battery's charge level.4  For safety reasons, recharging in low temperatures (6â - 10â / 43â - 50â) will take a longer time (up to 4 hours). It takes approx. 2  2 hours to fully recharge a completely exhausted battery at 23â / 73â. 3  The time required to recharge the battery depends on the ambient temperature and battery's charge level.