2 Pcs 3.7V 800mah Li Ion Battery, Rechargeable Batteries for RC, Lithium with USB Charger SM 2P Plug Connector, Replacement Battery RC Tanks Robots

Device compatibility: 3.7V 800mah li-Ion battery is compatible with E35 DE38 DE40 DE50 DE55 TB202 TM141 (only when voltage, size and connector match) Specific parameters: Size: 51*14 mm/2*0.55 inches; Weight: 30 grams (each); Capacity: true 800 mAh; Voltage: 3.7 volts. Plug: SM-2P Ultra-safe: 3.7V 800mah li-Ion battery can be quickly and continuously charged at any time without cell memory effect, so there is no need to fully discharge and then recharge. Safety Guaranteed Mercury/Cadmium/Lead free, which prevents the battery from exploding due to high voltage Durable and Rechargeable: 3.7V Rechargeable batteries for RC are made of durable materials and are of very high quality. Small size and light weight, very portable. Over-current protection stabilises the battery. High performance, high reliability, durable replacement for old or damaged batteries. Store in a cool and dry place Long life: 3.7V 800mah li-Ion battery is always available. Unique design can be recycled at least 300 times. Our state-of-the-art technology enables fast and continuous charging at any time with no cell memory effect, so there is no need to recharge after complete discharge