12V 20Ah Lithium LiFePO4 Deep Cycle Battery, 3000+ Cycle Rechargeable Lithium Iron Phosphate Battery for Solar, Fish Finder, Marine, Outdoor Camping, Off-Grid Applications with 20A BMS

Purchased to use as a trolling motor battery, but ended up using during a power outage and it worked great. Connected a 300 Watt inverter and was able to run our TV, soundbar, and DVD player for a couple of hours with no signs of running out of charge! Recharges just fine using a standard automotive 12V trickle charger. No need to buy a special LiFePO4 charger.

If you are looking to replace the SLA (Sealed Lead Acid) batteries that are normally used in an APC UPS (Uninterruptible Power Supply), I can confirm the 12V 20aH lithium batteries will fit both the APC 1250 Smart-UPS and the APC 1500 Smart-UPS supplies. These are the somewhat older models that sit on the floor (not rack mounted). Putting the two batteries into the unit is a *tight* fit -- I had to actually lightly slap them down into the enclosure -- but you can do so and fit the cover on with the retaining screws. The inline fuse that comes with the UPS will not fit on the top of the LiFePO4 battery -- be prepared to either A) create a shunt to bypass the fuse or B) make up some longer wires that can route the fuse away from the top of the batteries. The batteries I ordered from Amazon came with mounting bolts that fit the battery terminals.All in all, it's a pretty basic conversion. Lithium batteries are far superior to the lead-acid variety and will last MUCH longer. I was only getting 3-ish years out of a set of SLA batteries whereas I can expect 8-10 years+ from these lithium replacements. A bonus in this situation is the original SLA batteries were rated at 18ah where the lithium are 20ah so I should get slightly better runtime during a power outage. Good luck with your conversion!

I bought 2 BOTKU LIFEPO4 12.8V 10AH 128WH for my Cyberpower cp1500pfclcd.Wanted to see if LIFEPO4 battery would work.I fully charged the batteries on a separate charger to 13.5v (at rest).Ran the UPS at about 100W and it lasted 110 minutes until shutdown - 11.5v at rest (Meaning ~5% power left in the batteries). I let the UPS fully charge them and it stopped at 13.0v. Good to AGM but not high enough for LIFEPO4. Less than 40% of the capacity.I put the same load on and only got 15-16 minutes run time (when charged by the UPS).Cyberpower website say that I should get 66 minutes on AGM with 100watt load.The LIFEPO4 batteries worked well. Basically twice the run time of an AGM. Probably great news for many other uses. Its my UPS that is not compatible. I gambled it could be a replacement. Was wrong. But great batteries.Update a week later: good news. After letting the LIFEPO4 battery in the UPS a few days, the residual voltage began to climb by about 0.1V per day, to stabilize at 13.5V. Well, at that voltage level, the LIFEPO4 is fully charged. Ran for 100 minutes with ~100watt load. Will the trickle charge of the UPS eventually damage the battery? Time will tell. Even if life cycles are cut in half, or the reserve is reduced, is still better/cheaper than AGM type. And the UPS cuts off while the battery still has a 5-10% left due to the difference in voltage between AGM and lifepo4. This is good as the BMS does not lock the battery for being too discharged.

High 20 amp continuous current rating makes these batteries really attractive for replacing stock AGM batteries in many UPS units. However, I docked one Star because out of 3 sets I ordered, one battery was dead right out of the box and would not take a charge. This is especially disappointing as the Mfg claims a 10 year lifetime with 3000 charge cycles. I hope this bad battery was a fluke, and not the norm for these...

Very light weight using on Garmin Livescope.

BOTKU 12V 10Ah is not usable in CyberPower CP900AVR UPS. Should be a nice upgrade from the 7 AHr OEM battery. The BMS, battery management system, should allow use in a UPS, although may not be enough voltage to fully reach 100% capacity. Batteries arrived with an initial voltage of 13.2 Volts as they should. Fits perfectly in UPS replacing the old batteries. Seemed to fully charge in the UPS. Played briefly to make sure UPS was functioning correctly and then let the UPS run until shutoff.I left the UPS powered up for 2 days to make sure the batteries were fully charged. Plugged in a 100 Watt load and unplugged the UPS from power. Within 5 minutes the UPS shutoff. The spec for the UPS with the smaller OEM 7 AHr battery is 53 minutes for a 100 Watt load.Either the batteries were bad or the UPS would not even minimally charge up the batteries.

I used 16 awg connectors and my 30 lb thrust trolling motor melted and connectors, shorted out the battery, and my battery now says zero charge. Charger won't charge as I can't jump start dead battery. My fault. USE 10 awg 12 volt wire and connectors on 30lb trolling motor.

I have been replacing the SLA batteries in my UPS devices. I bought four of these to replace the batteries in the battery extension for my APC 1500Pro UPS. The SLA batteries were failing at 8 yrs of age. With the UPS on my wifes TV and computer system I have found the LiFePO4 batteries last nearly twice as long as the lead acid ones.Like all LiFePO4 batteries if you take them all the way to zero volts you have to disconnect the load then apply full voltage to the battery terminals to wake up the BMS and allow the charging process to take place again. I had to do that to recharge a LiFePO4 battery I have connected to a drill motor. Small thing would happen if used in the kids play cars if the battery went to zero.The initial cost is more but these last years longer so you save a lot of money in the long run plus you don't have to muck with the battery acid problem.I recommend these for anything but starting motors or applications where they are outside and below freezing.