LTC1732EMS-8.4#PBF Linear Technology | LTC1732EMS-8.4#PBF-ND | DigiKey
Well here is a chip that can charge 2-cell lithiums without a balance connection -- $5 a piece 9V input -- this would let you skip the SX330 altogether for charging...
Well here is a chip that can charge 2-cell lithiums without a balance connection -- $5 a piece 9V input -- this would let you skip the SX330 altogether for charging...