Convenient power block case, was able to repurpose some old laptop cells and make an excellent off-grid charger. I took some cells from a dead laptop battery pack, taking care not to short out any of the terminals (the 18650 batteries can pack a considerable punch, even when unused for a considerable time) Not only does this let me boost charges on mobile phones and tablets, but it's great for powering Arduino, Raspberry Pi and Wireless Webcam projects.

Convenient power block case, was able to repurpose some old laptop cells and make an excellent off-grid charger. I took some cells from a dead laptop battery pack, taking care not to short out any of the terminals (the 18650 batteries can pack a considerable punch, even when unused for a considerable time) Not only does this let me boost charges on mobile phones and tablets, but it's great for powering Arduino, Raspberry Pi and Wireless Webcam projects.

Convenient power block case, was able to repurpose some old laptop cells and make an excellent off-grid charger. I took some cells from a dead laptop battery pack, taking care not to short out any of the terminals (the 18650 batteries can pack a considerable punch, even when unused for a considerable time) Not only does this let me boost charges on mobile phones and tablets, but it's great for powering Arduino, Raspberry Pi and Wireless Webcam projects.

It's a nice battery charger. It has one input USB port on a side to recharge the battery bank and three USB outputs to charge USB external devices. It shows the charge level in %. I bought two of them. Found only one quality issue- cannot close the lid with or without the batteries. Will have to use to scotch, I guess, to keep it in one piece.

It's a nice battery charger. It has one input USB port on a side to recharge the battery bank and three USB outputs to charge USB external devices. It shows the charge level in %. I bought two of them. Found only one quality issue- cannot close the lid with or without the batteries. Will have to use to scotch, I guess, to keep it in one piece.

It's a nice battery charger. It has one input USB port on a side to recharge the battery bank and three USB outputs to charge USB external devices. It shows the charge level in %. I bought two of them. Found only one quality issue- cannot close the lid with or without the batteries. Will have to use to scotch, I guess, to keep it in one piece.