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🔋 Power up your gear with confidence — the battery that outlasts the rest!
The Power-Sonic PS-640 is a 6V 4.5 AH sealed lead acid battery featuring advanced AGM technology for maintenance-free, spill-proof operation. Its rugged ABS case resists vibration and impact, while gas recombination technology enhances longevity by minimizing overcharge. Ideal for power tools, UPS systems, and emergency lighting, it delivers reliable, high-density energy in a compact form factor.
| ASIN | B004KNTB2G |
| Amperage | 4.5 A |
| Antenna Location | Power Tool |
| Battery Capacity | 4.5 amp_hours |
| Battery Cell Composition | Lead Acid |
| Battery Cell Type | Lead Acid |
| Battery Weight | 2 pounds |
| Best Sellers Rank | #111,636 in Automotive ( See Top 100 in Automotive ) #216 in Powersports Batteries |
| Brand | Power Sonic |
| Compatible Phone Models | No Phone Models |
| Customer Reviews | 4.5 out of 5 stars 126 Reviews |
| Included Components | Battery |
| Item Dimensions | 2.76 x 1.86 x 4.25 inches |
| Item Type Name | lead_acid_battery |
| Item Weight | 1.6 pounds |
| Manufacturer | Power-Sonic |
| Model Name | Rechargeable batteries |
| Model Number | PS-640F1 |
| Number of Batteries | 1 12V batteries required. (included) |
| Recommended Uses For Product | Power Tool |
| Reusability | Rechargeable |
| UPC | 813340015012 |
| Unit Count | 1 Count |
| Voltage | 6 volts |
| Warranty Description | 1 Year Manufacturers Warranty |
A**.
It may be worth the extra money.
I got this 6 Volt 4.5 AH for a Power Wheels. It works fine, but 4 years from now is when a review like this needs to be written. I got a Power Sonic 12V 9AH and some Sigmas Tek 12V 9AH back in 2023. In 2026, the Sigmas Teks degraded quite a bit and it will run my computer UPS for 6 minutes, but the Power Sonic will run it for 20 minutes. Both brands were stored the same way with maintenance charging a couple times per year. The Power Sonic also has a lower float charge current which means it will over charge less and last longer in a UPS sitting at 13.6 Volts.
J**W
Perfect for exit light battery replacement
Work great in exit lights. Back up to code in the KofC Hall
J**I
Nice Battery
Battery seems to work fine. Delivery was on schedule.
A**R
Emergency Light Battery
Arrived quickly. Works fine. I just wish they lasted longer. The last one died after three years of very little use. I may consider swapping the entire fixture next time for an LED model.
F**E
Send charger
Working good so far.only problem I have why can’t they send a charger.
G**L
Was the correct battery and works
The battery came right on time as expected and was the correct battery for my device. Would like to know where/how to recycle the old battery.
B**N
Get the one from JMAC, less expensive
Battery itself is unchanged, will die about 6-7 years. This is 3rd got from Amazon, & 1st time not offered from JMAC. Had to look up JMAC on Amazon sellers to order.
L**E
battery was not fresh lasted only 6 months
the manufacturers date code indicated the battery was 9 months old and it only lasted 6 months in my portable BP monitor that is on charge most of the time and should of lasted about 3 years . I usually have good results with this brand.
Trustpilot
1 month ago
1 month ago