What after market ones are people finding actually give good battery life.
I've found Duracell do one which looks like it might be better than Chinese unbranded rubbish.
Any other recommendations would be great to hear.
Hello, @davec71167. The HERO3+ battery is a rechargeable lithium-ion battery and is rated at 1180 mAH, 3.7V, and 4366mWh. Since we no longer sell them, you may check resellers or local retailers for availability.