5S 15A Li-ion Lithium Battery 18650 Charger PCB BMS 21V Cell Protection Board

Product description:

• Brand new
• This board is 5 string 3.7V/4.2V lithium battery protection board
• High current protection board, continuous 15A current
• Protection board with overcharge protection, over-discharge protection, over-current protection, short circuit protection.
• P+ P- is the abbreviation of PACK+ PACK-, that is, the output of positive and negative poles
• B+ B-is the abbreviation of battery, which is the positive and negative pole of the battery.
• PCB board size: (approx.)8.8x1.6cm/3.46x0.63"

Detailed Parameters:

Discharge:

• Continuous discharge current: 15A(max)
• Instantaneous discharge current: 25A

Charge:

• Charge voltage: 21V
• Charging current: 15A(max)

Overcharge Protect:

• Over-charge detect: 4.28±0.05V
• Protect delay: 0.5s
• Over-charge release: 4.28±0.05V

Over-discharge Protect:

• Over-discharge detect: 2.55±0.08V
• Over-discharge detect delay: 0.1s
• Release voltage: 2.9±0.1V

Short-circuit Protect:

• Protect condition: Cut load
• Detect delay: 250uS
• Release condition: Cut load

Over-current Protect:

• Detect voltage: 150mV
• Detect delay: 9MS
• Current detect: 30±3A
• Release condition: Cut load
• Inner Resistance: ≤20mΩ

Self-consumption:

• Working current: ≤30uA
• Sleep current: (when over-charge)≤10uA
• Working Temperature Range: -30-+80℃

Features:

• Main IC using original Japan imported components
• Over charging protection, over discharge protection, short circuit protection, over current protection, over heat, over voltage function

Technical parameter:

• Charger voltage: DC 21V CC/CV
• Over charge voltage cut-off: 21V±0.025V
• Over charge detection delay: 150-500ms
• Over charge recovery voltage: 20.5V±0.025V
• Over discharge voltage range: 2.50v±0.10v / 12.5V±0.50v
• Over discharge detection delay: 50-150ms
• Over discharge recovery voltage: 2.9V±0.10v /14.5V±0.30v
• Over-current detection voltage:150 ± 30mv
• Over-current detection current: 15A(If the cooling environment is not good,reduce the load current use)
• Over discharge detection delay: 5-15ms
• Short circuit protection: Yes
• Internal resistance protection circuit (MOSPET): ≤ 0.5mΩ
• Size: 88*16.5*3 mm

Connection description:

Package Included:

1 x 5S 15A li-ion balanced Cell lithium battery protection board