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4S 30A 14.8V Li-ion Lithium 18650 Battery BMS for lithium-ion batteries in a 4-series configuration with overcharge, over-discharge, and short circuit protection.
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The 4S 30A 14.8V Li-ion Lithium 18650 Battery BMS is a Battery Management System designed for use with lithium-ion batteries in a 4-series configuration. It provides protection against overcharging, over-discharging, and short circuiting.
Specifications:
| Details | Specification |
| Continuous discharge current | 30(MAX)A |
| Instantaneous discharge current | 70A |
|
Charging voltage
|
16.8V |
| Charging current | 30(MAX)A |
| Overcharge detection voltage | 4.28±0.05V |
| Overcharge protection delay | 0.1S |
| Overcharge release voltage | 4.08±0.01V |
| Battery balance detection voltage | 4.2±0.025V |
| Battery balance release voltage | 4.2±0.05V |
| Electricity balance current | 60±5mA |
| Over discharge detection voltage | 2.55±0.08V |
| Over discharge detection delay | 0.1S |
| Over discharge release voltage | 3.0±0.1V |
| Overcurrent detection voltage | 150mV |
| Overcurrent detection delay | 9mS |
| Overcurrent protection current | 75±5A |
| Overcurrent protection release condition | Disconnect load |
| Short circuit protection condition | External load short circuit |
| Short circuit detection delay | 250uS |
| Short circuit protection release condition | Disconnect the load switch |
| Temperature protection | / |
| Main circuit conduction internal resistance | ≤15mΩ |
|
Working current
|
≤30uA |
| Sleep current (when the battery is over-discharged) | ≤10uA |
|
Operating temperature
|
-30℃~+80℃ |
| Size | 45x56mm |
Main function:
Over charge protection, over discharge protection function, short circuit protection
function, over current protection function, band balance.
Interface definition:
Charging port of the plate and the discharge port is the same, both positive and B- connecting
battery”-“, P- charging port and port on the negative electrode;
B-, N-, P- pads are all over the hole, the hole diameter of the pad is 3.5mm;
The battery charging detection interface with DC output in the form of needle. Do the same mouth
when the N- is not wiring.
Package Contents:
1 x 4S 30A 14.8V Li-ion Lithium 18650 Battery Protection board
Note:
This is New Version: MOS ultra-low internal resistance, alloy resistance is greater, and overcurrent capability is more enhanced.
| Weight | 0.1 kg |
|---|---|
| Dimensions | 10 × 5 × 3 cm |
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