Profoto Replacement LiFe Battery for Pro-B2, and Pro-B3

Profoto Replacement LiFe Battery for Pro-B2, and Pro-B3

Profoto Replacement LiFe Battery for Pro-B2, and Pro-B3

B&H # PRLBPB3AS MFR # 900927

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Profoto LiFe 4S5P overview

  • 1Description

The Profoto Replacement LiFe Battery for Pro-B2, and Pro-B3 is a dedicated lithium ion iron phosphate battery for the Pro-B2, and Pro-B3 power generators. This high-performance, long-life battery offers 1200 charge cycles.

Replacement battery with 1200 charge cycles for the Pro-B2, and Pro-B3 generators
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  • 1Description

Profoto LiFe 4S5P specs

Packaging Info
Package Weight 5.6 lb
Box Dimensions (LxWxH) 8.5 x 6.7 x 6.0"

Profoto LiFe 4S5P reviews

Replacement LiFe Battery for Pro-B2, and Pro-B3 is rated 4.0 out of 5 by 4.
Rated 5 out of 5 by from You owe it to your health & wellbeing What's not to love about this battery... It's 1/3rd the weight of your old Lead-Acid battery. So think of the savings from not having to go to the physiotherapist or chiropractor anymore. Along with that it offers oodles more flashes, so you no longer have to obsessively look over at the power gauge thinking am I going to get all the shots I need! Buy it... you'll love it!
Date published: 2011-11-08
Rated 1 out of 5 by from Worse than predecessor... This is the new LiFePO4 battery, but there was a better old one, as you can see here:new battery product number : 900927 technology : LiFePO4energy / capacity : 132 Wh / 10 Ah construction : 4S4P, so 16 cells weight: 2.23 kg old battery product number : 900926 technology : LiFePO4energy / capacity : 152 Wh / 11.5 Ah construction : 4S5P, so 20 cells weight: 2.46 kg Regarding that, it is very obvious, that the old version was way better, since the capacity was 15% higher. Results of my own testing:132Wh (13.2V x 10Ah) LiFePO4 (new battery 900927) : 63 minutes @ 100W modeling light 152Wh (13.2V x 11.5Ah) LiFePO4 (old battery 90092): 74 miuntes @ 100W modeling light See also the changed specs here:, as hard as it is to write this about a Profoto product, I can not recommend this product, and really hope, Profoto will invest some time in an improved version or brings back the old one.
Date published: 2015-04-06
Rated 5 out of 5 by from GREAT long lasting battery and light in weight! I purchased this battery back in January to replace the battery in my 7B pack. The problem that I had with the old battery was the continuous decline in the ability to hold a charge and the overall weight. I had the choice of either reconditioning the battery, purchasing a new standard 7B battery or switching to the new LiFe battery. The first two options were less expensive than an upgrade to the LiFe battery. However, you ultimately circle back to this same problem at some point. I LOVE the Pro 7B pack and would not want to part with it. The LiFe battery was a great move for me. Super light and I NEVER fully deplete a full charge. Before, this was not the case. Expensive but a GREAT long term investment into a quality pack that will last a long time.
Date published: 2015-06-01
Rated 5 out of 5 by from Great Not much you can say except it works perfectly.
Date published: 2017-10-02
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