UltraLast - 3400 mAh 18650 Rechargeable Batteries 2 Pack Retail Blister-Carded

Looking for Li-Ion batteries? Check out the single pack Ultralast 18650 Retail Blister Carded Batteries! This Lithium Ion 18650 size battery is 3.7 volts and 3400 mAh. This product is retail blister carded with 1 battery per card.

The Renogy Deep Cycle AGM Battery features an integrated internal structure and sealed design, sparing you from intricate internal troubleshooting. Therefore, the battery is ideal for solar system beginners or anyone who prefers a product with simple operations. The upgraded electrolyte formula ensures excellent discharge performance from -4 to 140°F/ -20 to 60°C, allowing the battery to function seamlessly in freezing conditions without requiring extra temperature compensation. You can connect up to 4 batteries in parallel. You can also connect multiple batteries in series. It's advisable to connect batteries of the same type (AGM), capacity (Ah), and voltage (V) from the same brand. We also recommend using a battery balancer to prolong the service life when connecting multiple batteries in series and/or parallel. Before installing the battery, please note that you need to leave 1.97-3.94 in (5-10 cm) for the top of the battery; the side with busbars needs to be left at least 7.87 in (20 cm).

Keep the power you need at hand with the convenience of Energizer Recharge Value Charger. This handy device charges 2 or 4 AA or AAA NiMH batteries in 5 hours.* And it’s easy to use: Load up the device, plug into the wall, and get fully loaded battery power when you need it. The charger’s indicator screen glows green when you have a full charge. Should you insert a bad or primary battery, the screen pulses to notify you. Perfect for those most used devices like remotes, computer mouses, and even gaming controllers… So maximize battery performance with the charging power of Energizer, the world’s #1 recharge brand (according to market survey data). Specs at a Glance: • 2 or 4 AA or AAA NiMH batteries • Comes with four (4) 1300 mAh 1.2V AA Energizer Recharge Batteries • Large LED Charge Status Indicator Screen (red glow = charging, green glow = complete) • Bad & Primary Battery Detection (screen flashes when detected) • Reverse Polarity Protection • Delta V Charging Cut-off • Safety Timer to prevent overcharge • Limited Lifetime Warranty (see manual for details) * Times may vary by NiMH battery.