TECHDELIVERS 4Volt, 500mAh (0.5 Ampere) Sealed Lead Acid Rechargable Battery AGM Solar Battery

• Strong ABS body - Do not drop the battery. • DC 4.0 Volts, Lead Acid Sealed Maintenance Free Battery. • Dimensions: 27(L) x 22(W) x 50(H)mm, +3mm terminal.