Product Introduction
LWS® battery protection board 3S 4S 5S 10A 21V Lithium ion Battery With Temperature Switch BMS has a complete process of customization, design, testing, mass production. You are welcomed to come to LWS to buy the latest selling, low price, and high-quality 3S 4S 5S 10A 21V Lithium ion Battery With Temperature Switch BMS. We look forward to cooperating with you.
Product Parameter (Specification)
| Shenzhen Li-ion Battery Bodyguard Technology Co.,LTD | |||
| PCM Specifications For LWS® 18.5V（5S）Li-ion Battery Packs | |||
| No. | Test item | Criterion | |
| 1 | Voltage | Charging voltage | DC:21V 4.2/Cell |
| Single balanced voltage | |||
| 2 | Current | Balance current for single cell | |
| Current consumption | ≤30μA | ||
| Maximal continuous charging current | 10A | ||
| Maximal continuous Discharging current | 10A | ||
| 3 | Over charge Protection（single cell) | Overcharge detection voltage | 4.25±0.025V |
| Over charge detection delay time | 0.5S—1.5S | ||
| Over charge release voltage for single cell | 4.05±0.05V | ||
| 4 | Over discharge protection (single cell) | Over discharge detection voltage for single cell | 2.50±0.062V |
| Over discharge detection delay time | 10mS—150mS | ||
| Over discharge release voltage for single cell | 3.00±0.062V | ||
| 5 | Over current protection | Over current detection voltage | 0.1±0.015V |
| Charge Over current detection | 30±5A | ||
| Detection delay time | 5ms—20ms | ||
| Release condition | Cut load | ||
| 6 | Charge over current protection | Overcurrent detects voltage | 16±2A |
| 7 | Short protection | Detection condition | Exterior short circuit |
| Detection delay time | 200-500us | ||
| Release condition | Cut load | ||
| 8 | Resistance | Protection circuitry（MOSFET） | ≤30mΩ |
| 9 | Temperature | Operating Temperature Range | -20～+60℃ |
| Storage Temperature Range | -20～+65℃ | ||
Product Feature and Application
Our battery protection board 3S 4S 5S 10A 21V Lithium ion Battery With Temperature Switch BMS can widely use in mobile phones, cameras, laptops and other digital electronic products, power tool battery pack, electric bicycles, electric scooters, electric motorcycle , electric vehicle EV, etc
Product Details
3S 4S 5S 10A 21V Lithium ion Battery With Temperature Switch BMS Detect and protect the battery from over-charge ,over-discharge, over-current short-circuit ,temperature detecting protection and automatically voltage balance function .
Build with high end electronic components (High End IC and MOSFET), simple structure design will let it have more stable quality working performance, Flexible application
(it can be used for less series battery by leaving some connection pins at empty status), full set of protection measures let it works well without any influence from external unexpected accidents.
Notes
1) Wire connection strictly according to the drawing, do not intentionally short circuit.1) Wire connection strictly according to the drawing, do not intentionally short circuit.
2) Before charged, need to connect the cables first
3) When ten groups of batteries are connected in series, ensure that the voltage of each group of batteries voltage is the same. If not, fill each group of batteries separately before connecting them in series. In discharge tests, the group of cells with the fastest voltage drop is the differential cell.
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