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The Kastar BA-2B-LI42B is a 2-pack lithium-ion battery replacement designed for Olympus Li-42B and compatible models from Fujifilm, Nikon, Kodak, Casio, and Pentax. Each battery delivers a robust 1400mAh capacity at 3.7 volts, ensuring reliable, long-lasting power for your camera. Lightweight and rechargeable, these batteries come with an 18-month warranty, making them an essential upgrade for professionals who demand uninterrupted performance.










| ASIN | B002KCVPB4 |
| Antenna Location | Camera |
| Battery Capacity | 1400 Milliamp Hours |
| Battery Cell Type | Lithium Ion |
| Battery Weight | 2 Ounces |
| Best Sellers Rank | #549 in Camera Batteries |
| Brand | Kastar |
| Compatible Phone Models | Fujifilm NP-45 NP-45A NP-45B NP-45S Olympus Li-40B Li-42B Nikon EN-EL10 Kodak KLIC-7006 LB-012 Casio NP-80 NP-82 Pentax D-Li63 D-Li108 |
| Customer Reviews | 4.4 4.4 out of 5 stars (388) |
| Item Dimensions | 1.22 x 0.23 x 1.55 inches |
| Item Weight | 2 Ounces |
| Manufacturer | Kastar |
| Model Name | Olypmus |
| Model Number | B505459 |
| Number of Batteries | 2 Lithium Ion batteries required. (included) |
| Reusability | Rechargeable |
| UPC | 704384185048 |
| Unit Count | 2 Count |
| Voltage | 3.7 Volts |
| Warranty Description | 18-Month |
N**5
it works.
worked on my old Samsung S3 phone.
B**Y
Good purchase
No problems here.....good purchase, quick delivery
L**.
Good Replacement Battery
Batteries charged fully fairly quickly, and performs as good or better than the original. Too soon to vouch for longevity, thus the 4 stars
I**T
Good Battery
I think the mAh rating of these batteries is overstated. However, that is just an observation of performance, not a conclusion from actual tested data. These batteries only slightly out perform the original factory supplied Olympus battery that is over two years old. For the price tho... who can complain? Not me.
T**H
LS-120M Olympus PCM Recorder: Charged, Works So Far!
Took a chance and ordered a pair for just < US$10. The battery rating claims to be almost twice the amount of power of the original Olympus battery. Both are LI-40B/42B/EN-EL10 suitable batteries. They arrived with a partial charge; I charged one in the recorder with a USB cable: RESULT! The original battery I could find was now dead, and would not take a charge. They were not such great batteries to start, giving maybe up to 3 or 4 hours of use on lower recording settings and playing back a few recordings. Well, if the battery at least matches the originals' performance it'll be a good deal, and I'll be able to grab some random sounds with more control than my *Phone 11 Pro Max, in stereo, PCM mode, with digital out...also has a video making feature with HDMI out, mic, earphone and SD slot (no BT though): there's a lot of features on this thing just crying out for a good battery power source. Hopefully these will last....
B**F
Great for the pirce
Great value
L**M
Poor battery life
Poor battery life - around 15 minutes each in my Olympus Tough camera. Both of these batteries combined provided less than half of the use time of the original Olympus battery.
I**W
Great Battery, Fantastic Price, Good Ordering Experience!!
The "name brand" battery (740mAh) that came with my new camera never lasted as long as I needed, so I went to a local electronic store to pick up a second one to always have a charged battery ready to go. However at $40 bucks for the "name brand" battery, which is 1/3 the cost of the camera, I said no way and shopped online and ended up purchasing the OEM equivalent battery from Eforcity. Since their battery is rated at 1200mAh I get almost twice the picture taking time than I do with my new OEM battery! From the product listing, I thought I was just buying one battery with twice the run time but, to my surprise I received TWO 1200mAh batteries for less than $8 bucks (which included shipping)!! I have now used both batteries for about a month now and am completely satisfied with the product. Eforcity's ordering & shipping was fast and efficient and would purchase from them again.
A**T
Received batteries quickly, seem to be decent quality for a inexpensive battery. If they last longer than the Olympus it will be well worth it.
S**R
Great Thank You
A**R
Good. I can only rate it once I see how long it lasts.
K**G
exactly what I wanted and needed
B**R
ok item