48v 21AH Ebike Battery

Feature: 1.Long life, large capacity and good shock resistance 2.Low self-discharge and good discharge performance at low temperature 3.Strong charging acceptance and quick-charging capability 4.Strong over-discharge resistance and charge retention 5.Maintenance-free and no acid or water for...
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Product Details

S/N

Item

Performance

1

Capacity

21Ah

2

Working voltage

48V

3

Impedance

≤150mΩ

4

Charge limited voltage

54.6V

5

Discharge limited voltage

39V

6

Charge limited current

0.2C

7

Standard charge

                  0.2C(2.2A) CC to limited voltage ,then CV to limited current.

8

Standard discharge

                                      0.5C(5.5A) DC to limited voltage

9

Max charge current

0.5C(5.5A)

10

Max discharge current

1C(11A)

11

Operation temperature

                                                     Charge:     0 ~ 45℃

Discharge:    – 20 ~ 55℃

Storage temperature scope

-20 ~55℃≤1month; -20 ~ 45℃≤3 months; -10 ~ 30℃≤12months

12

Operation and storage humidity

   45~75% RH

13

Weight

Approx 4.5kg

48v 21AH Ebike battery

Feature: 

1.Long life, large capacity and good shock resistance

2.Low self-discharge and good discharge performance at low temperature

3.Strong charging acceptance and quick-charging capability

4.Strong over-discharge resistance and charge retention

5.Maintenance-free and no acid or water for maintenance in usage

6.Excellent large current discharge performance, and have obvious advantages in startup and climbing

7. High temperature performance

8. Environmental friendly

9. Lighter weight smaller size

10.Most safe no explosion no fire

Company information:

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Contact us:

Mail:sales5@cnhengchuang.com

Whatsapp/Skype:+8618395913573

Inquiry

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