Модул за защита на батерия 4S 40A BMS → Обява 43812400

Модул за защита на батерията за зареждане, разреждане и балансиране Lithium 4S 18650, 40A BMS

Всяка клетка (батерия) има специален контролер на платката, който определя максималното и минималното напрежение на клетката, която управлява.
Когато разликата в напрежението между клетките е по-голяма от 0,1V, токът, подаван на най-заредената, ще бъде разреден през резистора, съответстващ на неговия контролер. По този начин всички клетки ще достигнат прага от 4.2V едновременно. При разреждане те ще направят същото, така че минималното напрежение от 3.2V ще бъде достигнато от всички клетки едновременно.

4 series 16.8v 40A lithium battery protection board:

Scope of application: suitable for lithium batteries with nominal voltage of 3.7V and full charge voltage of 4.2V

(including 1865026650, polymer lithium battery, no size limit)

Product size: 45 * 55 * 3.4mm

Charging voltage: 16.8v-18.1v

Continuous discharge current (upper limit): 40A (if the heat dissipation environment is bad, please reduce the load current)

Continuous charging current (upper limit): 20A

Note 1: four 10c-20c power batteries or eight 5c-10c power batteries are required to start the drill successfully (recommended power battery models: Sony vtc4, vtc4a, vtc5a, vtc6)

0V and 12.6V connecting wire, use copper wire of more than 3 square mm (nickel sheet is not allowed)

Note 2: wire 0V, 4.2V, 8.4v, 12.6V, 16.8v in strict accordance with the drawing. Do not touch any components on the board when welding wires. Do not short circuit intentionally.

Note 3: when the battery is being welded or charged for the first time, as long as the single battery exceeds 4.2V, the "430" resistance will generate heat and discharge (stop heating when discharging to about 4.19v). If the "430" resistance is too hot to touch, please check whether it is connected to the wrong line.

Self consumption current: 12mamin, 18uatyp.24amax

Overcharge protection voltage: 4.2vmin, 4.25vtyp.4.3vmax

Overcharge recovery voltage: 4.1vmin, 4.15vtyp.4.2vmax

Over discharge protection voltage: 2.4vmin, 2.5vtyp.2.6vmax

Recovery voltage after over discharge protection (1c discharge): 2.8vmin, 3vtyp.3.2vmax

Recovery voltage after over discharge protection (2C discharge): 3.2vmin, 3.5vtype, 3.8vmax

Over discharge recovery voltage: 2.9vmin, 3.2vtyp.3.3vmax

Conduction resistance: 2.5m Ω min, 3m Ω typ.3.5m Ω max

Over current protection current C: 70amin, 80atyp.90amax

Over current delay time: 100msmin, 150mstyp.200msmax

Continuous working current (resistive load): 40A

Continuous output power (resistive load): 672w

Ambient temperature: - 40-85 ℃