Jbbatterychina.com has a rating of 5.0 stars from 1 review, indicating that most customers are generally satisfied with their purchases.
I tested the capacity and it came out at 650Whr at a 0.5C discharge rate. It was very satisfying. This battery is used to power about 100W worth appliances (lights, air purifiers) using a separate 300W inverter (separate buy). I get 6 to 7 hours power from it when PGE cuts power in CA. This battery is lithium-based so it can be completely discharged with no effect on its power. This is a great deal.
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