Nitecore NL2155HP 5500mAh 21700 Rechargeable Battery Yellow. Compared to its predecessor the NL2153HP the NL2155HP features a bigger capacity and now has a IPX6 waterproof rating. Featuring Nitecore's hallmark safety standards and precision engineering the NL2155HP reinforces the brand's reputation as a reliable source of rechargeable Li-ion batteries.The NL2155HP incorporates a built-in intelligent protective circuit and a pressure relief valve safeguarding it against overcharging over-discharging and short circuits. Crafted with top-tier materials such as nickel-plated stainless steel protectors that fortify it against impacts ensure efficient conductivity and fend off oxidation the battery is further coated with a durable metallic film bolstering its resilience against abrasion. Designed for longevity it can withstand over 500 full recharge cycles making it both cost-effective and environmentally friendly. With an IPX6 waterproof rating the NL2155HP is ready to go anywhere with you performing reliably in any situation. Specifications for Nitecore NL2155HP 5500mAh 21700 Rechargeable Battery: Manufacturer: Nitecore Color: Yellow Battery Quantity: 1 Battery Capacity: 5500 mAh Battery Type: 21700 Features of Nitecore NL2155HP 5500mAh 21700 Rechargeable Battery Features 5500mAh capacity Continuous 20A discharge current Features overcharge/discharge protection circuits Has a IPX6 waterproof rating Package Contents: Nitecore NL2155HP 5500mAh 21700 Rechargeable Battery Nitecore 6952506497218: NL2155HP 5500mAh 21700 Rechargeable Battery Yellow