4.2v Li Ion Battery Protection Board For 1-4 18650 Cells In Parallel

US $1.99

  • Monticello, Kentucky, United States
  • Jan 29th
4.2V for 1-4 Li-ion 18650 batteries. li ion charge/ overcharge protection for 18650 4.2V li ion battery at 4.2V, measure 1/4" X 1-1/4" Approx. These ship USPS & usually arrive in 2-5 days. Board has a low 2.7V cutoff to protect over drain of battery, and charging stops at 4.2V to prevent over charge. These are great for DIY USB chargers. Input range is 4.5-5.5V I have been using these for projects & they have held up great with four 18650 Li-Ion batteries connected. Batteries in pics are NOT included.

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