LWS® battery protection board 2S 3A Lithium ion Battery BMS For 18650 Charger
Is for nominal voltage 3.6V 3.7V lithium battery(Including 18650,26650, lithium polymer batteries). You are welcomed to come to LWS to buy the latest selling, low price, and high-quality 2S 7.4V 3A Lithium ion Battery Protection Board For 18650 Batt,ry Pack BMS. We look forward to cooperating with you.
Shenzhen Li-ion Battery Bodyguard Technology Co.,LTD | |||
PCM Specifications For LWS® 7.4V (2S) Li-ion Battery Packs |
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No. | Test item | Criterion | |
1 | Voltage | Charging voltage | DC:8.4V CC/CV |
Balance voltage for single cell | / | ||
2 |
Current | Balance current for single cell |
/ |
Current consumption |
Max:20μA |
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Maximal continuous charging current |
4A |
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Maximal continuous Discharging current |
4A |
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3 |
Over charge Protection(single cell) |
Overcharge detection voltage for single cell |
4.25V±0.025V |
Over charge detection delay time |
0.5—1.5S |
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Over charge release voltage for single cell |
4.05±0.05V |
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4 |
Over discharge protection (single cell) |
Over discharge detection voltage for single cell |
2.80V±0.08V |
Over discharge detection delay time |
50mS—150mS |
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Over discharge release voltage for single cell |
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5 |
Over current protection |
Over current detection voltage |
200±15mv |
Charge Over current detection |
8±1A |
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Detection delay time |
5—15mS |
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Release condition |
Cut load |
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6 |
Short protection |
Detection condition |
Exterior short circuit |
Detection delay time |
200—500uS |
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Release condition |
Cut load |
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7 |
Resistance |
Protection circuitry(MOSFET) |
≤50mΩ |
8 |
Temperature |
Operating Temperature Range |
-40~+85℃ |
Storage Temperature Range |
-40~+125℃ |
LWS® 2S 3A Lithium ion Battery For Electrical Tool UPS BMS
The circuit board is made with high quality electronic components, stable and reliable, suitable for 2 series 3.7V 18650 Li-ion cell.