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Enerkey 1S 6A BMS for 18650 NMC Li-ion Cells Purple Solder Mask PCM and Nickel Sheets
What Is LiFePO4 Battery BMS?
A BMS is an integral part of any lithium-ion battery system — it’s
responsible for keeping the cells within the battery pack healthy
and performing optimally.
Every battery has a specified range of voltage, current, and temperature in which it can safely operate. If one or more of these parameters varies considerably from their specified range, your battery pack can get permanently damaged (due to degradation of its components) and even pose safety risks.
Most batteries come with a built-in BMS to prevent this from happening.
Electric Parameter | ||||||||||||
PCM Specifications For 3.7V(1S)Li-ion Battery Packs | ||||||||||||
Model:JW-B1S6A-346 | ||||||||||||
NO. | Project | Min. | Typ. | Max. | Unit | |||||||
1 | voltage | Charging voltage | 4.2 | V | ||||||||
Balance voltage for single cell | / | / | / | V | ||||||||
2 | Current | Balance current for single cell | / | mA | ||||||||
Current consumption | 20 | uA | ||||||||||
Maximal continuous charging current | 6 | A | ||||||||||
Maximal continuous discharging current | 6 | A | ||||||||||
3 | Over charge protection | Overcharge detection voltage for single cell | 4.225 | 4.25 | 4.275 | A | ||||||
Overcharge detection delay time | 0.5 | 2 | S | |||||||||
Overcharge release voltage for single cell | 4.00 | 4.05 | 4.100 | V | ||||||||
4 | Over discharge protection | Overdischarge detection voltage for single cell | 2.738 | 2.80 | 2.862 | V | ||||||
Overdischarge detection delay time | 10 | 200 | mS | |||||||||
Overdischarge release voltage for single cell | 2.938 | 3.000 | 3.062 | V | ||||||||
5 | Overcurrent protection | Over current detection voltage | 0.13 | 0.15 | 0.17 | V | ||||||
Over current detection current | 3 | 4 | 5 | A | ||||||||
Detection delay time | 5 | 20 | mS | |||||||||
Release condition | Cut load,Automatic recovery | |||||||||||
6 | Short protection | Detection condition | Exterior short circuit | |||||||||
Detection delay time | 200 | 500 | μS | |||||||||
Release condition | Cut load,Automatic recovery | |||||||||||
7 | Resistance | Protection circuitry (MOSFET) | 60 | mΩ | ||||||||
8 | Temperature | Operating Temperature Range | -40 | 85 | ℃ | |||||||
Storage Temperature Range | -40 | 125 | ℃ | |||||||||
