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Product Information
Keenstone 9V 800mAh Rechargeable Li-ion Battery with 3-Slot Charger for TENS Smoke Detector Multimeter Alarm System etc(3-Pack)
Rating:
5.00 / 5   (5 Reviews)
Price: $23.99

Description

Battery Type: 9V 800mAh rechargeable li-ion battery with 3 packs, higher capacity than ordinary 9V battery, more affordable and environment friendly.
Safety and Performance: Keenstone 9V Li-ion battery is non-toxic, without memory effect and environmental friendly. Cycles life can be up to 500 times.
Smarter Battery Charger: 9V Li-ion battery charger based on 5V/1~2A USB DC input, easy and convenient to connect battery charger with power bank or adapter that about 1~2A.
Fast battery charger: max 800mA output, only need 3h to fully charge 3 batteries one time. Easy to read each battery charging state with inserted LED lights for each independent channel.
Package Included: 3*Keenstone 9V Li-ion Battery Rechargeable; 1*Keenstone 3-slot Charger ; 1*USB Charging Cable; 1*Manuel

Reviews

no more disposable battery life

04 Jan, 2019
This is my first 9v 800mAh rechargeable Li-ion battery. I think I got myself a great deal. Usually just the cheap brand, it will cost me a nice one around 8-10 dollars. And for a fire alarm, it w... more »

Good choice

13 Dec, 2018
#RankBoosterReview ii. #Sponsored iii. #Keenstone 9V 800mAh Rechargeable Li-ion Battery with 3-Slot Charger for TENS Smoke Detector Multimeter Alarm System etc https://www.amazo... more »

Great charge!

02 Dec, 2018
I was not sure that these would hold a charge but I was surprised, they have been great.  They recharge fairly fast and hold a charge great.  It is compact and small which I also love. ... more »

Works!

01 Dec, 2018
These batteries charged up and work just fine, I really feel like everyone should invest in reusable batteries because it just makes more sense in the long run. Knowing I don't have to buy these b... more »

Safety

29 Nov, 2018
this is great. I am always in need of batteries for the smoke detectors. Now I have these as rechargeable and never have to worry about is we have replacement batteries or not. Highly recommend this f... more »