Battery once installed was at 67%. Couple hours later in standby mode, only dropped 2%.Did not use the tools that came with it so can't comment on the quality of it. I used my other spudgers and prys.Found it is easier to get the iSesamo to pry a small gap then use the flat nylon spudger widen the back cover to the tablet. Once an opening is big enough, then use the "L" nylon pry to get the back cover to snaps off (it was higher efforts than expected). Started to pull the back cover apart from the bottom edge then to the side without the volume switch. The back cover seems slightly weak at the SD card notch so left that to be the last spot to pry off.Battery connector fits easily - only seconds to connect once the old battery is out. Use the pull tabs to peel off the old battery. Peel old battery off before disconnecting - much easier to pull off the connector.Updates: This replacement battery held up pretty good the past 6 days. The first 3 days, it was on standby to let it deplete before charging it up. It only fell to around 30% battery level. Son is so far happy with it. The battery replacement took care of the intermittent reboot issue that he has when running low on battery.
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