Transcend P8 Multi-Night Battery

This battery will run my Transcend for almost 20 hours. I go to remote areas with unreliable power. I can go for days with two of these batteries. They are wonderful. They are very pricey, but I think worth it.

Takes a long time to charge and now, after only a few uses, only provides about 5-6 hours of power. Unfortunately for me I am now out of my warranty period. It probably provides about as much power as the P4. Save your $$$!!

Purchased in May, its already flashing a red error light in October and won't hold a charge. I would expect more for over $200Update: I ended up checking the manufacturer website and discovered they warranty these and mine was still covered. Transcend replaced the battery free of charge. Watch the purchase date and the warranty.

Expensive, slow to charge and Does not last for multi nights as advertised. Could only get 1 full night before it crapped out in 2nd night.

Used it a lot on a trip tot he Philippines where electricity was not always available. Worked great for multi-nights.

My husband was excited to find this, and thought it would be perfect for camping. However, when this is hooked up to the machine, the machine shuts off constantly, and the battery only lasted through one night of this even though it was only powered on for maybe 3 hours.

Works very well. Gives great peace of mind! has needed to kick in only once so far, but did so flawlessly.

Battery is very expensive, heavy and lasts only a few years. But when camping with CPAP, what else are you gonna do?