Some people like to make their own lithium ion battery packs out of old laptop cells or whatever, but charging them can be a confusing task. This is the cheapest, safest, and most efficient way I've found to charge them.

From Banggood (stuff I used for this video):
Balance charger: https://goo.gl/HKoHwn
Balance wiring cables: https://goo.gl/Y6oGrH

Soldering iron: (amazon)
https://geni.us/8Qmj [Amazon]

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My Camera Gear
Main Camera: https://geni.us/OaBBO9 [Amazon]
Main Lens: 1835 f1.8: https://geni.us/Y8LZcR [Amazon]
Adapter for 1835 lens: https://geni.us/65aRj [Amazon]
Smaller camera: https://geni.us/PPl6n [Amazon]
Long Native Lens: https://geni.us/2PRCIV [Amazon]
SmallHD Focus: https://geni.us/qgLi [Amazon]

Audio gear:
Blue Spark Microphone: @ https://geni.us/WEhKry [Amazon]
Rode PSA1 Boom Arm: @ https://geni.us/2MQrQ [Amazon]
Mackie ProFX8v2 Mixer: @ https://geni.us/Nn3KQQf [Amazon]
Zoom H6 (recording from mackie output): @ https://geni.us/B3yfbQT [Amazon]


Background Music:
The Hadrian Brothers
  / thehadrianbrothers