protection protection protection protection circuit circuit circuit circuit module module module module pcm / bms / pcb for 64 v 20 s lifepo4 battery packs bestech power co.,ltd 3f,bldg3,fulian industrial park,heping industrial area,jianhui rd,longhua,shenzhen,china. ????? 82 ??? 2 3 3 website: http://www.bestechpower.com e-mail: sales@bestechpower.com page 1 of 1 data sheet *note:characteristics subject to change without notice. item contents criteria 1 model hcx-d 107 20 s- 35a working current- - 120 a cut off 2 voltage charging voltage 72v 3 current maximal continuous charging current 35 a maximal continuous discharging current 35 a current consumption 200 a 4 overcharge protection over charge detection voltage 3.9 v over charge detection delay time 1.2 s over charge release voltage 3.8 v 5 over discharge protection over discharge detection voltage 2. 0 v over discharge detection delay time 144 ms over discharge release voltage 2. 3 v 6 over current protection over current detection voltage 0.1v over current detection current 120 a detection delay time 9 ms release condition cut load,automatically recover 7 short circuit protection detection condition exterior shot circuit detection delay time 320 s release condition cut load,automatically recover 8 balance balance voltage for single cell 3.6v balance current for single cell 60ma 9 resistance inner resistance 25m 10 temperature operating temperature range -40~+ 7 5 storage temperature range - 20 ~+ 5 5 11 size (l*w*h) 115 mm * 80mm * 1.6mm remarks: charge,discharge from same port p+=charge+/discharge+ p-=charge-/discharge-
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