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the second battery is it more voltage or just lasts longer if it last longer yes you could just solder kynar wire for the contacts on the battery to the slim contacts
Try this:Above is my current battery, 8hr playing with 30 brightness (40 is minimum default)My original battery only lasts for 4hr. It takes >4hr to charge (3h with original)If there 3 are new, i think it will be much better (OMG i got 2 old BT50 for only 1$ )Fell free to ask and sorry if my English f... your eye
Would this work with 3 psp batteries?
this will work if the batterys are wired in parralel and not series series doubles the power causing it to fry your psp but connecting batteries in parralel shares the load/ power and voltage but doesnt double the voltage so in theory yes you could have 3 batteries in parralel and it will work not quite sure about charging though
1, Right. After a moment of time, three battery will have the same voltage (because Sony cell is 4.2 but the BT50 is 3.6). A small problem i'm facing now is the incorrect of battery meter. The battery drop from full to 5% in about 3hr but with last 5% i can play almost 4hr more. Or you play from full to 5% (3hr) then you turn it off and shopping with you mama (1-2hr). When you home, you turn it on and wtf, it jump from 5% to 65% or 85%. In my opition, i think that PSP (slim) battery cell only recognize max 1200mah but when you solder 2 or 3 battery, you make it to 2400 or 3600mah.But don't worry, when the battery run out, PSP switch to sleep mode so you don't lost your current game. For those who want to know more, try PSPTool and find option that show the battery voltage. If it is 5% with 3.6V or lower, save your game ; 5% with 3.7 or higher, keep playing.2, The charging work correctly with me. BT50 itshelf has the protecion circuit. PSP battery circuit design to stop charging when the current drop below 3% of the maximum charging current. Again, no explosion happend with me ( I'm not good at explain, you can read this to know how the charge work : http://batteryuniversity.com/learn/article/charging_lithium_ion_batteries )3, You can use that Tonny and Philippecr if you don't want to f... you battery but i think the psp battery charge faster than these two BT50. When it full, it shut the charging voltage so two BT50 can't reach 100%
Thanks, this is my first time modding so I am somewhat of a noob.
Guys, changed plans.Gonna Use this http://www.dealextreme.com/p/retractable-hand-grip-for-psp-with-backup-power-1200mah-4553And I will take the inside of that out, and possibly put even more batteries inside as a combination with the batteries inside the umd compartment.I will either use 2x ofhttp://www.dealextreme.com/p/2680mah-replacement-battery-for-psp-slim-2000-11706or 2x ofhttp://www.dealextreme.com/p/psp-battery-2200mah-486I have another question, should I be using copper wires or copper strips? Does it make much of a difference? Does the each battery need to have a protection circuit, or is it fine with 1?Would 2 Psp 1000 Batteries fit inside the umd compartment (with the umd drive gone)? Or should I not risk it and use 2 psp slim batteries?What is Tonny and Philippecr? "You can use that Tonny and Philippecr if you don't want to f... you battery"