Copper Water Bottle Pure Certified Copper Bottle. Users may store up to 1000 ml of water in these water bottles and 250 ml of Glass. Store water overnight in the bottle and sip your copper charged water as you wake up in the morning. The water stored this way is called 'Tamra Jal'. A progressive range of copper bottles from Battlane that is durable and ideal to keep yourself hydrated all-day-long. These leak-proof bottles are safe to use as they do not contain harmful chemicals such as BPA that can influence your drinking water. Water stored in copper water bottles can take in the properties of copper, making your drinking water copper charged. Copper Water Bottle Help in:- Preventing cancer. Regulating obesity. Regulating thyroid glands. Maintaining digestive health.