Last Updated: January 5, 2020 (Refresh Now)
Blackube 9 Volt 750mAh Lithium Rechargeable Battery 1 8 Hours Fast Charge by Micro USB 1000 Cycles for Smoke Detector Fire Alarm Multimeter 2 Pack
Last Updated: January 5, 2020 (Refresh Now)
7.9
SCORE
/10
Total Reviews
171
Old Reviews
0
Unverified
11
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Review Analysis - 160 recent, verified reviews
Detailed Mode
Battery Life
86charge, rechargeable, aa, lithium, nimh
+81%
-19%
" ... I will let you know a follow up as time goes on but the cameras that have regular batteries in them are down to 62% in the same time frame. ... Two with regular batteries and two with these lithium rechargeables. ... "
" ... I have what seems like a bunch of electronics that run poorly unless I run non-rechargeable batteries. ... No more buying expensive Lithium batteries now that I have a bunch of these. ... The pile of NiMH batteries will be great for all those super low drain devices, these new Li-on rechargeable batteries will take over as my goto battery. ... "
" ... Just another option for recharging AA batteries, I like it. ... "
" ... the product works great charge lasts even while sitting out in the cold. ... "
" ... wanted a powerful, rechargeable long lasting battery for security lights and other hi-use items and happy to have found Blackube product. ... "
" ... These batteries will save you money vs buying lithium ion batteries from the store. ... I use these batteries for my outdoor Blink XT wireless cameras and they last nearly as long as the Energizer lithium batteries. ... "
" ... These batteries last a long time and I can keep a couple on the charger at all times. ... "
" ... And they work great much nicer than having to charge with the typical battery charger ... "
Charging
61batteries, charging, usb, recharge, cable
+89%
-11%
" ... However, with that amount of charge, the devices operate very well. ... Perhaps your company could reach out and offer a solution to the 75% charging situation. ... "
" ... The included USB cable can charge all four batteries at once. ... My favorite feature is that these charge by microUSB, which are chea and easy to acquire, vs. an actual battery charger. ... "
" ... Pack really small, no bulky charger needed! ... "
" ... the product works great charge lasts even while sitting out in the cold. ... Got one battery with a bad plug contacted them they had me send pics of it replaced it in no time at all very good to see someone out there who still puts the customer first! ... "
" ... They charge very, very fast. ... After about 40 hours of use in my Xbox controllers, I needed to recharge. ... "
" ... The packaging is well done, there was a case for the batteries and the charging cable seems sturdy. ... Fortunately, these have a BMS to handle nearly any charger that is close to specification. ... "
" ... they charged quickly. ... "
" ... They'll need a lot more charging cycles for me to comment on value for money, but it's noticeable when using motorized devices that you are getting full alkaline-style behavior thanks to the full 1.5V delivery. ... "
Product Reliability
16last, working, month, far, days
+69%
-31%
" ... They popped right in and lasted over a month on the first try. ... "
" ... It’s been a couple weeks and I’ve had no issues. ... "
" ... I'm a Nurse working nights. ... "
" ... It’s been over a month know don’t see any problem so far. ... "
" ... They lasted for 2 days in them(when regular batteries last almost 1 month) ... "
" ... Long lasting and good quality. ... "
" ... They have been working great so far. ... "
" ... They last quite a long time. ... The duracells I had been buying were expensive and only were lasting 6 months so far these have been in use for 3 months and have been working great. ... I have no doubt they will last at least 3 more months and then some. ... "
Cables
12charging, charge, batteries, wires, 4
+92%
-8%
" ... The enclosed 4-in-1 cable is quite handy so you can simply use one cable to charge 4 batteries at once without having to use a USB hub or 4 separate cables. ... "
" ... I must admit the four output USB charging cable is worth the purchase alone. ... "
" ... They are very handy and the 4 in 1 cable is useful for just about every device as well. ... "
" ... These batteries work great and the best part is they came with a cable to charge them (bonus) ... "
" ... I’m impressed and they are very easily charged with included cable. ... "
" ... They charge as described in around 2-2.5 hours (depending on the block you plug the cable into I suppose) and they last quite a bit of time. ... "
" ... The band for the wires is even worth keeping. ... "
" ... Love the 4 adapter charging cable that comes with the batteries but would love to have it be about 4 inches longer. ... "
Build Quality
7well, sturdy, seems, plastic, made
+86%
-14%
" ... I use them in my trail cams (3 months and still at 50% charge), motorized azimuth mount for telescope, and metal detector. ... "
" ... The battery seems sturdy and in one piece. ... "
" ... The packaging is well done, there was a case for the batteries and the charging cable seems sturdy. ... "
" ... The band for the wires is even worth keeping. ... "
" ... They last long and are very strong. ... "
" ... Well done BlackCube, these are top of the line, solid, and quality made, my second purchase. ... "
Remote
6using, tv, remotes, good, wireless
+100%
" ... I keep one in my pen light, one in my wireless mouse, and two in my TV remote. ... "
" ... These are great for flashlights, remote controls, Blink Cameras etc. ... "
" ... So far so good, using it for low current draw (thermostats & remote control). ... "
" ... I am using them in a few remote controllers and in a couple of battery operated clocks. ... "
" ... thinking about getting another set for all my remotes (roku, and tv). ... "
Mouse
6wireless, light, water, two, time
+83%
-17%
" ... I keep one in my pen light, one in my wireless mouse, and two in my TV remote. ... "
" ... I put several into remote controls, a computer mouse, and one in a travel toothbrush holder that has a UV light that kills bacteria. ... "
" ... Use for my mouses (mice?). ... "
" ... When I go on business trips, two things really matter to me -- my portable water flosser and my wireless mouse for my laptop. ... "
" ... After fully charging them, used them in my tooth brush, wireless keyboard and mouse. ... "
Marketplace
6update, seller, contacted
+83%
-17%
" ... Thank you so much for producing them. ... "
" ... Delivery was prompt and item as described ... "
" ... Exelent Product I recevided in perfect condition in Brazil ... "
" ... As described, the! ... "
" ... UPDATE: I was contacted by seller and they refunded me, as they have a satisfaction guarantee policy. ... "
Ports
6port, computer, charge, ports, charging
+100%
" ... They work great and I love how useful it is that i can charge on USB cables. ... "
" ... Love how you recharge them by plugging them into your USB port. ... "
" ... I must admit the four output USB charging cable is worth the purchase alone. ... "
" ... Style/Design: These look exactly like your traditional AA batteries, with the exception that there is a built-in micro USB port on top of each battery (as opposed to other designs that have this on the side). ... "
" ... USB ports are everywhere and always easy to find which is what makes these so convenient. ... "
" ... Simple to use, quick charge using Computer USB Port. ... "
Gaming
5controller, batteries, son, gaming, controllers
+80%
-20%
" ... Work great for several days in Game Cameras taking up to 100 + videos in 24 hours ... "
" ... I ordered these for our security cameras and they worked so well I ordered some for my son's XBOX controllers. ... "
" ... Bought these as replacements for the batteries in Xbox controllers as my son goes through them very quickly. ... "
" ... I use these for my xbox controller. ... "
Camera
5blink, use
+80%
-20%
" ... I use them for my Blink camera system. ... "
" ... I use with my blink camera and is working very well ... "
" ... I have four cameras. ... "
Features
4mode, shut, high, light
+75%
-25%
" ... I use a small pen light to check patients so I don't have to disturb them by turning on a light. ... "
" ... They do work even on "high" or "turbo" setting. ... "
" ... They are clearly supplying fantastic voltage to my smart deadbolt. ... "
Size
4recommend, rechargeable, easy, charging
+100%
" ... There are some small improvements that I will recommend, however. ... This way if someone was to travel they would have a pretty good case to keep everything together neat and compact. ... "
" ... Great for travel. ... "
Software Platform
3tv, remotes
+100%
" ... I've not put them to the test yet so I will update this entry soon as I do. ... "
" ... That's it, if I have any issues and I remember this review then hopefully I will update. ... "
" ... thinking about getting another set for all my remotes (roku, and tv). ... "
Price
3+100%
" ... These things are awesome, especially for the price. ... "
" ... First use is way beyond expectations. ... "
VR Box
3using
+100%
" ... Now I can VR paint, sculpt, and play without issue. ... "
" ... Had no problem using them all day in VR. ... "
" ... I have been using them in a VR Controller for my Samsung Odyssey. ... I have not had to change the batteries yet in my VR controllers. ... "
Fit
3something, like, fit, holding, battery
+100%
" ... I have been wanting to get something like these for a while and they work great for my use case. ... "
" ... I have been looking for something that will last a while and be rechargable for my smart vents. ... "
" ... I FOUND THAT THEY WERE A TIGHT FIT FOR MY TWO-WAYS. ... "
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Specifications
No specs available.