***WARNING BATTERIES CAN ONLY BE SHIPPED VIA GROUND***

Check polarity match (red and black cable order)- this has polarity for most LILYGO and Heltec dev boards.

Specification:

Choose from 1100, 2000, 3000, 4000, or 8000 mAh capacity in the dropdown menu.

• Standard voltage-
• 3.7V
• Capacity-
• 1100, 2000, 3000, 4000, or 8000 mAh
• Approximate weight-
• 1100 mAh: 19g
• 2000 mAh: 35g
• 3000 mAh: 35g
• Dimensions-
• 1100 mAh: (±2mm)0 49*28*7.8mm / 1.85*1.10*0.31inch(L*W*H)
• 2000mAh: (±2mm): 50*34*10 mm /1.96*1.33*0.39inch(L*W*H)
  
• 3000 mAh: (±2mm): 67*36*12 mm /2.80*1.50*0.50inch(L*W*H)
• 4000 mAh: (±2mm): 66*40*11.1 mm /2.60*1.57*0.44inch(L*W*H)
• 8000 mAh: (±2mm): 91.4*59.4*13.1 mm /3.60*2.34*0.52inch(L*W*H)
• Discharge rate-
• 1C
• Working current-
• 1.5A
• Maximum discharge current-
• 3C
• Overcurrent protection-
• 1.8-2.1A
• Connector Type-
• Micro JST 1.25

Standard charging method: Charge the battery to 4.25V with a constant current of 0.2C, and then charge it with a constant voltage of 4.2V until the charging current is less than or equal to 0.05C.

Warranty & Support:

Complimentary Telephone and Email/Live Chat Support (Click Here)
Online Technical Manuals and Instructions (Click Here)

Battery Shipping Policy and Warranty – Rokland

Sales tax is required in many states and will be added at checkout if applicable to your delivery state. Tax exempt forms can be sent to our support department.

Return Policy: Batteries are not returnable once used. New batteries purchased that are not the correct size or fit can be returned with 30 days of purchase for exchange or refund. A $3 USD restock fee may be deducted from the refund to help cover original shipping cost. Any shipping charges paid are non-refundable.