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INR 21700-40T 3.6V 4000mAh Rechargeable Li-ion Battery 30A continuous discharge / flat top
$9.91
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3 ~ 4
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$9.31
$9.09
Classification
Product Type Batteries
Aesthetic
Color Blue
Power & Batteries
Battery Capacity (Mfg Rated) 4000 mAh
Battery Chemistry Li-Ion
Battery Feature Rechargeable
Battery Form Factor 21700
Battery Rated Voltage 3.6 V
Package
Package Type Plain
Package Contents 1*Battery
Total Piece Count 1
Dimensions us | metric
Depth 21.2 mm
Height 70.2 mm
Width 21.2 mm
Product Weight 67 g
FastTech
SKU 9673936
DATE LISTED 10/11/2018
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This item is covered by FastTech's Standard Return Policy:
100% Satisfaction Guaranteed

Return for refund within: 45 days (details)
Return for replacement within: 6 months (details)

No restocking fee. Shipping charges may apply if returns are not results of FastTech's error.

Important information and restrictions:
  • Because this product contains external batteries, it can only be shipped via select shipping methods. These shipping methods are displayed when you check out the order.
Available models and parts:
10A continuous discharge
$49.46 8 pk
WORLDWIDE FREE SHIPPING
10A continuous discharge
$27.12 4 pk
WORLDWIDE FREE SHIPPING
10A continuous discharge
$14.00 2 pk
WORLDWIDE FREE SHIPPING
10A continuous discharge
$7.31
WORLDWIDE FREE SHIPPING
4-pack / 35A continuous discharge / flat top
 
(1)
$25.06 4 pk
WORLDWIDE FREE SHIPPING
2-pack / 35A continuous discharge / flat top
 
(1)
$12.84 2 pk
WORLDWIDE FREE SHIPPING
35A continuous discharge / flat top
 
(3)
$9.91
WORLDWIDE FREE SHIPPING
30A continuous discharge / flat top
 
(4)
$9.91
WORLDWIDE FREE SHIPPING
2-pack / 30A continuous discharge / flat top
 
(13)
$14.76 2 pk
WORLDWIDE FREE SHIPPING
4-pack / 30A continuous discharge / flat top
 
(2)
$28.31 4 pk
WORLDWIDE FREE SHIPPING
authentic / actual capacity 4700mAh / 9.6A max. discharge current / 4.8A continuous discharge current / flat top
 
(1)
$7.46
WORLDWIDE FREE SHIPPING
authentic / actual capacity 4700mAh / 9.6A max. discharge current / 4.8A continuous discharge current / flat top
 
(3)
$21.45 2 pk
WORLDWIDE FREE SHIPPING
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CladMarti
Member

VERIFIED OWNER
  • JoinedOct 2017
  • Posts 23
  • Reviews 88
  • Kudos7
Overall
› Quality
› Value
PROS
Samsung Last long with good amperage FT price
Great performing as expected for a Samsung battery. Charged it from 3.1V to 4.2V with 3800 mAh as you can see on the photo i uploaded here.
Reviewed on 9/29/2019 Was this review helpful to you? Yes / No

Nemes1s
Member

VERIFIED OWNER
  • JoinedJun 2016
  • Posts 1
  • Reviews 74
  • Kudos0
Overall
› Quality
› Value
PROS
Long life
Great reliable battery lasts for a good long time and great value for money
Reviewed on 8/8/2019 Was this review helpful to you? Yes / No

Nemes1s
Member

VERIFIED OWNER
  • JoinedJun 2016
  • Posts 1
  • Reviews 74
  • Kudos0
Overall
› Quality
› Value
So far so good no complaints great price
Reviewed on 5/16/2019 Was this review helpful to you? Yes / No

segram
Member

VERIFIED OWNER
  • JoinedApr 2018
  • Posts 5
  • Reviews 16
  • Kudos2
Overall
› Quality
› Value
My charger reports only about 3500mAh for this battery.
Reviewed on 4/10/2019 Was this review helpful to you? Yes / No
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View all threads »


Title Last Posted By
unprotected?
› started by Serman on 6/2/2019 6:15:59 PM
Replies: 3
Views: 130
Serman
Jun 2
packaging
› started by Serman on 6/2/2019 5:49:18 PM
Replies: 1
Views: 80
JR___
Jun 2
This or the 3000 35A?
› started by Telmo on 12/29/2018 9:08:03 AM
Replies: 21
Views: 1411
yoshy262
Jan 10