BL-250 5000mAh 21700 Li-ion Rechargeable Protected Battery

Original price was: $25.90.Current price is: $16.90.

Battery must be order with flashlight/headlamp

* 6% OFF Coupon Code: blf06
* Orders over US$69 to get 20% Off of E3A light
* A Free E3A light as gift for orders over US$89  
* Extra 6% OFF (base on 6% off) for orders over US$99
* $10 OFF of $200, Coupon Code(stacks discounts): 10off200
All promotions are based on actual payment, excluding shipping.


Note: This price is for 1pcs battery.


BL-250 5000mAh 21700 Li-ion Rechargeable Protected Battery


Continuous Discharge Current(Max) 8A

Multiple protection

Pressure relief vent valve

Microporous seprator

Short-circuit Protection


Protection circuit

Over-charge Protection(4.30±0.050V)

Over-discharge protection(2.50±0.10V)

Over current protection(15~20A)


Model: BL-250

Rated Capicity: 5000 mAh

Nominal Voltage: 3.6 v

Charging Current: Recommed 1-2A

Discharge end-off voltage: 2.50 v

Charge voltage: 4.20 v

Weight: 72.8 g / 2.57 oz

Size: Length 76 mm / 2.99”, Diameter 21.6 mm / 0.85”

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Shipping & Delivery


We will take 7 USD for order less than 49 USD.

We will ship the products from China.

We will arrange shipment in 1 to 2 business days. Most of time, we will ship by express or Post, express may need 7-15 business days, if ship by Post, may need 10-20 business days, More or less. Actual delivery time may be delayed due to some force majeure reasons.