Goal Zero Yeti Tank Expansion Battery
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Increase your home energy storage with the Yeti Tank expansion battery. Each Yeti Tank lead-acid battery adds 1/2 kWh of energy storage to your system.
Shop similar products- Connects to your Yeti X or Yeti Lithium power station using the Yeti Link expansion module (power station and expansion module not included)
- Customizable energy storage system backs up essential circuits and can be scaled to meet your specific power needs
- Lead acid (AGM) battery capacity: 1,200 Wh, 100 Ah, 12V
- Compatible with: Yeti 1000/1000X Lithium, Yeti 1400/1500X Lithium, Yeti 3000/3000X Lithium, Yeti 6000X Lithium
- Chainable design lets you combine multiple units for more capacity (chaining requires Link expansion module)
Imported.
View the Goal Zero Yeti Product LineView all Goal Zero Portable Power StationsBest Use | Emergency Preparedness Camping |
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Material(s) | ABS plastic/aluminum |
Power Output to Device | 100A max |
External Charge | Wall |
Charge Time (hrs) | 11 hours |
Dimensions | 15.5 x 10.5 x 7.5 inches |
Weight | 77 lbs. 1.6 oz. |
Battery Included | Yes |
Battery Capacity (Wh) | 1,200 watt hours |
Battery Type | Lead-acid AGM |
Battery Storage Capacity (mAh) | 100,000 milliamp hours |
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Does it's job
Overall I'm happy with my multiple tank setup. It's with noting however that due to the charging limitations, 150 watts max via yeti link, whatever power you begin a power outage with will pretty much be all you have for the duration. With a yeti (chained to multiple tanks) plugged in to a home integration kit powering fridge, lights, microwave etc the power going out will exceed the maximum power you can put back in via solar. A tank setup should be looked at as a finite power supply and designed with a specific number of hours/days you need power for. The yeti itself (without tanks) can handle 600 watts of power input, so depending on needs it may be more practical to go that way as you can better match the power going out to the power you need to be going back in so you can run off grid indefinitely. You need to decide first if you want to maximize solar collection capacity or stored power reserves. With tanks you can't do both.
"Nice Gear" (is what the FedEx diver said)
I have the Yeti Tank now hooked up to the Yeti 1000X power station, and the wall charger, and all's good. I bought the system for power backup at home, and for possibly road trips in my van. The only thing I might mention so far that needs improvement would be that the very heavy AGM tank battery should probably be shipped with an even sturdier box because mine arrived with the outer box totaly blown out at one of the handles and even the inner box took quite a beating (but the innermost packaging saved the battery). The carries must hate heavy items because mine always arrives beat up real bad. A great product, I like everything that I got from Goal Zero.

Great power back up
Stores power like it should, can recharge through back end of bank with 30 amp solar charger with panels and run indefinitely.
Didn't work for me....after 2 tries
Bought the expansion module and back-up battery for my van. Worked for 1 or 2 cycles, then stopped. Worked with Goal Zero and tried everything....shipped everything back and they replaced both my Lithium 1000, the expansion module and the back-up battery. Put everything back together and back in the van, worked for another cycle and then died again.....now a 80 lb door stop. The Lithium 1000 is still going strong, but the back-up experiment never panned out.

Tanks need adaptor to plug in more solar panels
Bought this 1 battery bank to help extend my power needs. So far I can only use 1 of my 3 solar panels to charge the battery bank(you can only plug in the 8mm cord from solar panel). At this point, I’ve realized how everything works electrically, and I’m kind of disappointed with the wiring. The power station will be completely charged(via 2 remaining solar panels), but the battery bank meter only displays 1 green light. It appears if the power station is fully charged, then the extra battery bank doesn’t continue charging to top itself off. After purchase I realized that I have to buy more adaptors just so I can plug in more solar panels…to charge the battery banks in a reasonable time. Other than that, so far I do like having extra run times with the power station. Knowing me, I’ll probably buy the adaptor so I can connect more solar panels together. I’m considering 2-3 more batteries, and then after that I’m done buying everything solar lol. This stuff is expensive and nothing runs as good, or as long as coal power.

Easy and a no-brainer
We have an off-grid A-Frame in the NY Adirondacks. Yeti 1000 with 2 Boulder 200 solar panels and 2 expansion tanks takes care of all our electrical needs. When tanks are restocked, I plan to add 2 more to round out the system.


