Electronic Components
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Price Range
12 below $5.70
8 $5.70 ~ $9.70
1 $9.70 ~ $13.70
3 $13.70 +
Listed
Product Type
2 Activation Charge Boards
2 Battery Balancing Boards
15 Protection Boards
Brand
1 Kaisi
FastTech › Electronic Components › Battery Circuits
Battery Logic & Protection Circuits
WH-4S8AL 8A Battery BMS Protection PCB Board for 3-cell Rechargeable Li-Ion Battery Packs
$6.58
FREE SHIPPING ELIGIBLE
2.7V discharge cut-off / 4.35V charge cut-off
T-5016A15 4A Battery BMS Protection PCB Board for 3-cell Rechargeable Li-Ion Battery Packs
$4.09
FREE SHIPPING ELIGIBLE
2.7V discharge cut-off / 4.35V charge cut-off
WH-DL1-7S SOC Indicator for Single Cell Li-Ion Lithium Batteries (5-Pack)
$9.40 5-pack
FREE SHIPPING ELIGIBLE
Ships Next Day
displays 25%/50%/75%/100% state-of-charge
 
(8)
Kaisi K-9201 Battery Charger Activation Circuit Board for Apple
$15.11
FREE SHIPPING ELIGIBLE
Ships Next Day
authentic / 2A max. / for iPhone 4/4S/5/5C/6/6 plus
4-cell 18650 Li-ion / LiFePO4 Battery Pack Voltage Current Balancing Board
$3.33
FREE SHIPPING ELIGIBLE
3.6V / 58mA
5A Battery BMS Protection PCB Board for 6-cell Rechargeable Li-ion Battery Pack
$11.06
FREE SHIPPING ELIGIBLE
balancing function / 2.5V discharge cut-off / 4.32V charge cut-off
7A Battery BMS Protection PCB Board for 2-cell Rechargeable Li-ion Battery Pack
$4.07
FREE SHIPPING ELIGIBLE
balancing function / 3V discharge cut-off / 4.29V charge cut-off
Battery BMS Protection PCB Board for 1-cell Li-ion / Li-Polymer Battery (10-Pack)
$8.30 10-pack
FREE SHIPPING ELIGIBLE
2.8V discharge cut-off / 4.2V charge cut-off
2A Battery BMS Protection PCB Board for 1-cell Rechargeable LiFePO Battery (10-Pack)
$8.11 10-pack
FREE SHIPPING ELIGIBLE
2.1V discharge cut-off / 3.75V charge cut-off
8A Battery BMS Protection PCB Board for 4-cell Rechargeable Li-Polymer Battery Pack
$6.96
FREE SHIPPING ELIGIBLE
balancing function / 2.7V discharge cut-off / 4.35V charge cut-off
4A Battery BMS Protection PCB Board for 2-cell Rechargeable Li-ion / Li-Polymer Battery Pack (5-Pack)
$5.70 5-pack
FREE SHIPPING ELIGIBLE
3V discharge cut-off / 4.29V charge cut-off
4A Battery BMS Protection PCB Board for 1-cell Rechargeable Li-ion / Li-Polymer Battery (10-Pack)
$8.34 10-pack
FREE SHIPPING ELIGIBLE
2.4V discharge cut-off / 4.28V charge cut-off
5A Battery BMS Protection PCB Board for 2-cell Rechargeable Li-ion Battery Pack
$1.94
FREE SHIPPING ELIGIBLE
3V discharge cut-off / 4.29V charge cut-off
 
(1)
2A Battery BMS Protection PCB Board for 3-cell Rechargeable Li-ion Battery Pack
$3.09
FREE SHIPPING ELIGIBLE
2.7V discharge cut-off / 4.25V charge cut-off
 
(1)
10A Battery BMS Protection PCB Board for 2-cell Rechargeable Li-ion Battery Pack
$3.96
FREE SHIPPING ELIGIBLE
3V discharge cut-off / 4.29V charge cut-off
5A Battery BMS Protection PCB Board for 1-cell Rechargeable Li-ion / LiFePO Battery (5-Pack)
$5.68 5-pack
FREE SHIPPING ELIGIBLE
2.1V discharge cut-off / 3.75V charge cut-off
Battery BMS Protection PCB Board for 1-cell Li-ion / Li-Polymer Battery (5-Pack)
$4.75 5-pack
FREE SHIPPING ELIGIBLE
2.5V discharge cut-off / 4.3V charge cut-off
10A Battery BMS Protection PCB Board for 5-cell Rechargeable Li-ion Battery Pack
$7.14
FREE SHIPPING ELIGIBLE
2.5V discharge cut-off / 4.325V charge cut-off / w/ temperature switch
 
(1)
4.5A Battery BMS Protection PCB Board for 3-cell Rechargeable Li-ion Battery Pack
$4.64
FREE SHIPPING ELIGIBLE
2.7V discharge cut-off / 4.35V charge cut-off
8A Battery BMS Protection PCB Board for 4-cell Rechargeable Li-ion Battery Pack
$4.47
FREE SHIPPING ELIGIBLE
2.7V discharge cut-off / 4.35V charge cut-off
4-cell 18650 Li-ion / Li-Polymer Battery Pack Voltage Current Balancing Board
$3.28
FREE SHIPPING ELIGIBLE
4.2V / 68mA
 
(2)
Kaisi K-9208 Professional Battery Activation Charge Board for Cell Phone
$16.54
FREE SHIPPING ELIGIBLE
automatic recognition of current direction / for iPhone 4G/4S/5G/5S/5C/6/6s/6 Plus/6s Plus/7/7 Plus/8/8 Plus/X & more
W209A 2-in-1 Smartphone Battery Fast Charging Activation Board
$14.29
FREE SHIPPING ELIGIBLE
Android & iOS compatible