These batteries do NOT provide 5400mWh of capacity. I tested them at light load and heavy load, and max was 2400mWh. That's about 340mAh. For reference, old fashioned carbon-zinc (non-alkaline) batteries are rated 300mAh at 9v. These batteries provide just 7.4v, which was not unusual for older "9v" rechargeables, but that should be stated in the specs. They do charge OK and might work for you as long as your equipment can run down to 7v. Just don't expect rated capacity. I'm going to try another brand.
Verified purchase: No
It's a great 9v battery it last a lot very good cuality i Recommend it
Verified purchase: Yes | Condition: New
It does only put out 8.3 v from full charge. Out of the pkg has only 7.4 v. Buy different.
Verified purchase: Yes | Condition: New
it's good
Verified purchase: Yes | Condition: New
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