I am not an experienced modder but a lot of stuff are available from other members of this blessed forum, I though somebody should gather all data, so it can be easily accesable. So,
1. Small Sun ZY-T13 Driver modded using trimpot / resistor - 2 —-> 3 amps
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2. Small Sun ZY-T08 Driver modded using resistor / bridge - 2 —->3/DD amps
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3. Courui 3x18650 XM-L2 Driver modded using resistor / bridge - 2 —-> 3/DD amps
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4. Supbeam K40 / Thrunite TN31 Driver modded using bridge - 4 —-> 7 amps
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5. Trustfire TR-3T6 Driver modded cutting trace method - 5 —-> 1 mode - also resistor mod available - coming soon