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 within one week. 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.