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popularf12_26 | Staff posted Feb 16, 2026 11:08 PM
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popularf12_26 | Staff posted Feb 16, 2026 11:08 PM

4-Pack HW 3600mWh Rechargeable 9 Volt Battery w/ Charger (Over 1000 charges / Quick Charging in 2.5 hours) $19.49 + Free Shipping w/ Prime or orders $35+

$19

$32

40% off
Amazon
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TIGER HEAD HI WATT BATTERY HK CO LTD via Amazon [amazon.com] 4-Pack HW 3600mWh Rechargeable 9 Volt Battery w/ Charger (Over 1000 charges / Quick Charging in 2.5 hours) on sale for $19.49 w/ 5% "Clip Coupon" on product page & w/ code NL4AACKR at check out. Shipping is free w/ Prime or ordsers $35+
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TIGER HEAD HI WATT BATTERY HK CO LTD via Amazon [amazon.com] 4-Pack HW 3600mWh Rechargeable 9 Volt Battery w/ Charger (Over 1000 charges / Quick Charging in 2.5 hours) on sale for $19.49 w/ 5% "Clip Coupon" on product page & w/ code NL4AACKR at check out. Shipping is free w/ Prime or ordsers $35+

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Feb 16, 2026 11:57 PM
536 Posts
Joined Feb 2013
SptxFeb 16, 2026 11:57 PM
536 Posts
Pricing description is backwards Smilie
2
Yesterday 03:45 PM
30 Posts
Joined Feb 2006
pnutz409Yesterday 03:45 PM
30 Posts
No excuse for a beeping smoke detector now
Yesterday 04:57 PM
253 Posts
Joined Aug 2008
wmblalock86Yesterday 04:57 PM
253 Posts

Our community has rated this post as helpful. If you agree, why not thank wmblalock86

A lot of reviews saying the batteries only charge to 8.25V... Most new 9V batteries start around 9.6V. These may not work for certain devices, and smoke detectors would likely start chirping really early, thinking the battery is almost dead.
1
Yesterday 05:20 PM
270 Posts
Joined Oct 2012
rgreen1983Yesterday 05:20 PM
270 Posts
3600mWh at 9v is 400mah, while the standard seems to be around 600mah in competing brands including EBL
2

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