TrustFire Multifunctional Battery Charger + 2pcs/lot TrustFire 26650 3.7V Rechargeable Battery Compatible Rechargeable Battery Type: 16340, 18650, 25550, 26650, 26700 rechargeable battery Rechargeable battery's voltage should be above 2.7V. If not, the charger will be not used. Capacity: 5000mAh Richly After Service: 30 Days Money Back Guarantee, 12 Months Warranty! Warranty:30 Days Money Back Guarantee, 12 Months Warranty!